K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

Điền Make, Do, Have, Get

1.    ____________ a seat. I'll ____________ you a cup of coffee.

 

2.    I wasn't able to sleep because someone was ____________ noise in the basement.

 

3.    I offered to ____________ the dishes, but she didn't let me.

 

4.    I told her that she had to ____________ more exercise.

 

5.    I must go now because I have to ____________ some work ____________.

 

6.    I ____________ lost on my way here, so that's why I'm late.

 

7.    It's no use ____________ angry. You must learn to control your temper.

 

8.    I must ____________ my car repaired. It's got a flat tire.

 

9.    The teacher ____________ us write 300 lines as punishment.

 

10. I couldn't ____________ any business with him because he isn't trustworthy.

 

11. After I ____________ up at 6.15, I ____________ a shower and then ____________ some breakfast for my husband and me.

 

12.  It's late and she isn't home yet. I'm starting to ____________ worried.

 

13. I told her it was her turn to ____________ the shopping this week.

 

14. What are we ____________ for dinner tonight?

 

15. I'm sorry. You didn't pass. You ____________ too many mistakes.

 

16. My mother was very ill last week, but she is ____________ better.

 

17. I have to ____________ my hair ____________ today. There's a ball tonight and I want to look my best.

18. It's ____________ rather cold. Don't you think we should head back to the house?

 

19. I usually ____________ along rather well with my sisters. They don't ____________ any trouble when they're here.

20. We're ____________ married next August.

1
14 tháng 12 2021

Refer

1. Have a seat. I'll make you a cup of coffee.

2. I wasn't able to sleep because someone was making noise in the basement.

3. I offered to do the dishes, but she didn't let me.

4. I told her that she had to get more exercise.

5. I must go now because I have to get some work done.

6. I got lost on my way here, so that's why I'm late.

7. It's no use getting angry. You must learn to control your temper.

8. I must have my car repaired. It's got a flat tire.

9. The teacher made us write 300 lines as punishment.

10.I couldn't do any business with him because he isn't trustworthy.

11.After I get up at 6.15, I have a shower and then make some breakfast for my husband and me.

12. It's late and she isn't home yet. I'm starting to get worried.

13.I told her it was her turn to do the shopping this week.

14.What are we having for dinner tonight?

15.I'm sorry. You didn't pass. You make/made too many mistakes.

16.My mother was very ill last week, but she is getting better.

17.I have to have my hair done today. There's a ball tonight and I want to look my best.

18.It's getting rather cold. Don't you think we should head back to the house?

19.I usually get along rather well with my sisters. They don't make any trouble when they're here.

20.We're getting married next August.

Cross out any improbable answer 1 I've understood / I understand biology a lot better now that we've got a new teacher 2 I went / had gone to see a Formula One race last week ,but I admit / I'm admiting that don't know much about cars 3 Do you find / Have you found it difficult to concentrate on your work with this music on ? 4 We'll do / we do our best to get the computer repaired by next week ,but we won't quarantee / we don't quarantee it 5 I've just started / I just started to...
Đọc tiếp

Cross out any improbable answer

1 I've understood / I understand biology a lot better now that we've got a new teacher

2 I went / had gone to see a Formula One race last week ,but I admit / I'm admiting that don't know much about cars

3 Do you find / Have you found it difficult to concentrate on your work with this music on ?

4 We'll do / we do our best to get the computer repaired by next week ,but we won't quarantee / we don't quarantee it

5 I've just started / I just started to learn how to drive . Now I'm knowing / I know how difficult is it

6 She says that she wasn't in the kitchen when the bottle was smashed / smashed,but I refuse / I'm refusing to believe her

7 I'm certainly agreeing / I certainly agree with you that people shouldn't drink and adrive

8 I know the company made / has made a loss this year . But I won't apologize / I don't apologize for that

9 It's very difficult for us to get jobs here, so we're considering / we consider emigrating to Canada

10 Since I has won / I won the lottery , my telephone didn't stop / hasn't stopped ringing . People phone / are phoning to ask how / spend the money

11 In tonight's World Cup match , France currently beat / are currently beating Gremany 2-1 with five minute of the match to go . If the score remains / is remained the same it will be the first time Germany lost / have lost to France since 1998

12 Beckham passes / is passing to Giggs who shoots / is shooting just over the bar. Manchester United attack / are attacking much more in this half

13 She goesl She's going up to this man and looksl / looking straight into his eyes. He's not wearing / He doesn't wear his glasses ,and he's not recognizing / he doesn't recognize her

1
25 tháng 8 2018

Cross out any improbable answer

1 I've understood / I understand biology a lot better now that we've got a new teacher

2 I went / had gone to see a Formula One race last week ,but I admit / I'm admiting that don't know much about cars

3 Do you find / Have you found it difficult to concentrate on your work with this music on ?

4 We'll do / we do our best to get the computer repaired by next week ,but we won't quarantee / we don't quarantee it

5 I've just started / I just started to learn how to drive . Now I'm knowing / I know how difficult is it

6 She says that she wasn't in the kitchen when the bottle was smashed / smashed,but I refuse / I'm refusing to believe her

7 I'm certainly agreeing / I certainly agree with you that people shouldn't drink and adrive

8 I know the company made / has made a loss this year . But I won't apologize / I don't apologize for that

9 It's very difficult for us to get jobs here, so we're considering / we consider emigrating to Canada

10 Since I has won / I won the lottery , my telephone didn't stop / hasn't stopped ringing . People phone / are phoning to ask how / spend the money

11 In tonight's World Cup match , France currently beat / are currently beating Gremany 2-1 with five minute of the match to go . If the score remains / is remained the same it will be the first time Germany lost / have lost to France since 1998

12 Beckham passes / is passing to Giggs who shoots / is shooting just over the bar. Manchester United attack / are attacking much more in this half

13 She goesl She's going up to this man and looksl / looking straight into his eyes. He's not wearing / He doesn't wear his glasses ,and he's not recognizing / he doesn't recognize her

24 tháng 7 2018

Rewrite each sentence beginning as shown, so that the meaning stays the same,beginning with If

1.The speaker was ill suddenly and they cancelled the lecture

-> If the speaker hadn't been ill suddenly, they wouldn't have cancelled the lecture

2.I am in a hurry.I won't stay for dinner

-> If I were not in a hurry, I would stay for dinner

3.He can't type, he isn't able to operate a computer

-> If he could type, he would be able to operate a computer

4.I was able to buy the car because Jim lent me they money

-> If Jim hadn't lent me the money, I wouldn't have been able to buy the car

5.He doesn't have time to do exercise, that's why he is unhealthy

-> If he had time to do exercise, he wouldn't be unhealthy

6.Lucky you were here, or the house would have caught fire

-> If you hadn't been here, the house would have caught fire

7.The police shower me the way, so I found the house

-> If the police hadn't shown me the way, I wouldn't have found the house

8.John is fat because he eats so many chips

-> If John didn't eat so many chips, he wouldn't be fat

9.John missed the ferry because his car broke down

-> If John's car hadn't broken down, he wouldn't have missed the ferry

10.I didn't know your number, so I didn't call you

-> If I had known your number, I would have called you

11. Make me some coffee, and I'll give you one of my biscuits

-> If you make me some coffee, I'll give you one of my biscuits

12.If I'd gone to the party, I'd have met Melanie

-> If only I had gone to the party, and I could have met Melanie

24 tháng 7 2018

1.The speaker was ill suddenly and they cancelled the lecture

\(\Rightarrow\) If the speaker cancelled the lecture , they would be ill suddenly

2.I am in a hurry.I won't stay for dinner

\(\Rightarrow\) If I am not in a hurry , I'll stay for dinner .

3.He can't type, he isn't able to operate a computer

\(\Rightarrow\) If he is able to operate a computer , he can type .

4.I was able to buy the car because Jim lent me they money

\(\Rightarrow\) If Jim didn't lend me they money , I wasn't able to buy the car .

5.He doesn't have time to do exercise, that's why he is unhealthy

\(\Rightarrow\) If he have time to do exercise , he will be healthy .

6.Lucky you were here, or the house would have caught fire

\(\Rightarrow\) If you weren't lucky here , the house would have caught fire .

7.The police shower me the way, so I found the house

\(\Rightarrow\) If the police didn't show me the way , I wouldn't find the house .

8.John is fat because he eats so many chips

\(\Rightarrow\) If John don't eat so many chips , he will be thin .

9.John missed the ferry because his car broke down

\(\Rightarrow\) If John's car didn't broke down , he would miss the ferry .

10.I didn't know your number, so I didn't call you

\(\Rightarrow\) If I knew your number , I would call you .

11. Make me some coffee, and I'll give you one of my biscuits

\(\Rightarrow\) If I make some coffee , I'll give you one of my biscuits .

12.If I'd gone to the party, I'd have met Melanie

\(\Rightarrow\) If I had not gone to the party , I wouldn't meet Melanie .

Put in 'mustn't'or 'don't/doesn't have to: 1.We have a lot of work tomorrow. You......... be late. 2.You.......... tell anyone what I just told you. It's a secret. 3.The museum is free. You........pay to get in. 4.Children..........tell lies. It's very naugthy. 5.John's a millionaire. He........go to work. 6.I.........do my Washington, because my mother does it for me. 7.We.........rush. We've got plenty of time. 8.You..........smoke inside the school. 9.You can borrow my new dress but...
Đọc tiếp

Put in 'mustn't'or 'don't/doesn't have to:
1.We have a lot of work tomorrow. You......... be late.
2.You.......... tell anyone what I just told you. It's a secret.
3.The museum is free. You........pay to get in.
4.Children..........tell lies. It's very naugthy.
5.John's a millionaire. He........go to work.
6.I.........do my Washington, because my mother does it for me.
7.We.........rush. We've got plenty of time.
8.You..........smoke inside the school.
9.You can borrow my new dress but you........get it dirty.
10.We.............miss the train. It's the last one tonight.
11.She..........do this work today,because she can do it tomorrow.
12.I...........clear the floor today, because I cleaned it yesterday.
13.We.........forget to lock all the doors before we leave.
14.We.........stay in a hotel in London, we can stay with my brother.
15.I.........spend too much money today. I've only got a little left.
16.They.........get up early today, because it's Sunday.
17.I.........eat too much cake, or I'll get fat!
18.We.......be late for the exam.
19.You..........tidy up now. I'll do it later.
20.He.........cook tonight because he's going to a restaurant.

1
15 tháng 9 2019

Put in 'mustn't'or 'don't/doesn't have to:
1.We have a lot of work tomorrow. You....mustn't..... be late.
2.You.....mustn't..... tell anyone what I just told you. It's a secret.
3.The museum is free. You....don't have to....pay to get in.
4.Children.....mustn't.....tell lies. It's very naugthy.
5.John's a millionaire. He....doesn't have to....go to work.
6.I.....don't have to....do my Washington, because my mother does it for me.
7.We....don't have to.....rush. We've got plenty of time.
8.You.....mustn't.....smoke inside the school.
9.You can borrow my new dress but you....mustn't....get it dirty.
10.We......mustn't.......miss the train. It's the last one tonight.
11.She.....doesn't have to.....do this work today,because she can do it tomorrow.
12.I......don't have to.....clear the floor today, because I cleaned it yesterday.
13.We.....mustn't....forget to lock all the doors before we leave.
14.We....don't have to.....stay in a hotel in London, we can stay with my brother.
15.I.....mustn't....spend too much money today. I've only got a little left.
16.They.....don't have to....get up early today, because it's Sunday.
17.I.....mustn't....eat too much cake, or I'll get fat!
18.We...mustn't....be late for the exam.
19.You.....don't have to.....tidy up now. I'll do it later.
20.He....doesn't have to.....cook tonight because he's going to a restaurant.

Chúc bạn học tốt!

C Write one word in each gap Anti- fashion by Lisa Wilkinson If you ask me, it's high time they (i) ......................... away with fashion. I've had enough of it. Just when I think I've finally got it right, I pop (2) ......................... a clothes shop to find that they've changed all the rules! One minute it's cool to wear brand new expensive stuff, and the next you have to take all that (3) ......................... and wear clothes that look as if they've been handed (4)...
Đọc tiếp

C Write one word in each gap

Anti- fashion by Lisa Wilkinson

If you ask me, it's high time they (i) ......................... away with fashion. I've had enough of it. Just when I think I've finally got it right, I pop (2) ......................... a clothes shop to find that they've changed all the rules! One minute it's cool to wear brand new expensive stuff, and the next you have to take all that (3) ......................... and wear clothes that look as if they've been handed (4) ......................... by your grandma. You can't win! Well, I've torn (5) ......................... my fashion magazines and adopted anti-fashion. It's an idea that has grown (6) .................... of frustration and, to be honest, a lack of money to spend on yet another dress that I only wear once. I started by drawing (7) ......................... a plan. I decided to line all my clothes (8) ......................... together, try them all (9) ......................... and give to charity anything that either didn't fit or suit me. Then, I wouldn't buy any more new clothes until something wore (io) ......................... . I went (ii) ......................... my plan again, and knew that I would have to be tough with myself. After all, I'd spent a lot of money on some of that stuff. Finally, I plucked up the courage to do it. It felt a little bit like being a child again, dressing (12) ......................... in your mum's clothes, but I also felt a great sense of freedom. That was a year ago and, although I occasionally see something and think, 'Oh, that's gorgeous!', I haven't bought any clothes. If you ever come over to my house and I (13) ......................... you around my bedroom, you might see last season's fashions, but you'll also see a woman who feels free. And that's anti-fashion. Do you think it'll catch (14) ......................... ?

5
7 tháng 11 2018

C Write one word in each gap

Anti- fashion by Lisa Wilkinson

If you ask me, it's high time they (i) ..........did............... away with fashion. I've had enough of it. Just when I think I've finally got it right, I pop (2) ...........in.............. a clothes shop to find that they've changed all the rules! One minute it's cool to wear brand new expensive stuff, and the next you have to take all that (3) ..........take off............... and wear clothes that look as if they've been handed (4) .........down................ by your grandma. You can't win! Well, I've torn (5) ..............up........... my fashion magazines and adopted anti-fashion. It's an idea that has grown (6) .......out............. of frustration and, to be honest, a lack of money to spend on yet another dress that I only wear once. I started by drawing (7) .............up............ a plan. I decided to line all my clothes (8) .............up............ together, try them all (9) ............on............. and give to charity anything that either didn't fit or suit me. Then, I wouldn't buy any more new clothes until something wore (io) ..........out............... . I went (ii) ..........over............... my plan again, and knew that I would have to be tough with myself. After all, I'd spent a lot of money on some of that stuff. Finally, I plucked up the courage to do it. It felt a little bit like being a child again, dressing (12) ............up............. in your mum's clothes, but I also felt a great sense of freedom. That was a year ago and, although I occasionally see something and think, 'Oh, that's gorgeous!', I haven't bought any clothes. If you ever come over to my house and I (13) ................show......... you around my bedroom, you might see last season's fashions, but you'll also see a woman who feels free. And that's anti-fashion. Do you think it'll catch (14) .....on.................... ?

7 tháng 11 2018

Write one word in each gap

Anti- fashion by Lisa Wilkinson

If you ask me, it's high time they (i) ..........did............... away with fashion. I've had enough of it. Just when I think I've finally got it right, I pop (2) ...........in.............. a clothes shop to find that they've changed all the rules! One minute it's cool to wear brand new expensive stuff, and the next you have to take all that (3) ..........take off............... and wear clothes that look as if they've been handed (4) .........down................ by your grandma. You can't win! Well, I've torn (5) ..............up........... my fashion magazines and adopted anti-fashion. It's an idea that has grown (6) .......out............. of frustration and, to be honest, a lack of money to spend on yet another dress that I only wear once. I started by drawing (7) .............up............ a plan. I decided to line all my clothes (8) .............up............ together, try them all (9) ............on............. and give to charity anything that either didn't fit or suit me. Then, I wouldn't buy any more new clothes until something wore (io) ..........out............... . I went (ii) ..........over............... my plan again, and knew that I would have to be tough with myself. After all, I'd spent a lot of money on some of that stuff. Finally, I plucked up the courage to do it. It felt a little bit like being a child again, dressing (12) ............up............. in your mum's clothes, but I also felt a great sense of freedom. That was a year ago and, although I occasionally see something and think, 'Oh, that's gorgeous!', I haven't bought any clothes. If you ever come over to my house and I (13) ................show......... you around my bedroom, you might see last season's fashions, but you'll also see a woman who feels free. And that's anti-fashion. Do you think it'll catch (14) .....on.................... ?

1, She won't go to the library, Doesn't she Won't she Will she Does she 2, They can't make up their mind Either Too Yet So 3, He lives By .... the corner of Green Street. With Next At 4, He is ...... intelligent. Little Too So Such 5, There will be no school By 6, Would you like a glass .. ....tomorrow. For On .... milk? With In For of 7, They wili To ...... a trip to Ho Chi Minh city. For With On 8, I have some bread and eggs . breakfast. For In On About 9, My mother gets up late. Maybe she'11...
Đọc tiếp

1, She won't go to the library, Doesn't she Won't she Will she Does she 2, They can't make up their mind Either Too Yet So 3, He lives By .... the corner of Green Street. With Next At 4, He is ...... intelligent. Little Too So Such 5, There will be no school By 6, Would you like a glass .. ....tomorrow. For On .... milk? With In For of 7, They wili To ...... a trip to Ho Chi Minh city. For With On 8, I have some bread and eggs . breakfast. For In On About 9, My mother gets up late. Maybe she'11 be late work. On At In For father sends of beautiful pictures 10, My lot ...... me. With Of To For ..... this. No, I won't. On .Mai. She is having 11, Don't tell anyone To About With 12, What's the matter flu. About To Of With 13, Shall we go for a walk tonight? Yes, let's Yes, we can Yes, we are Yes, we go 14, Are you ready? - No, I am not and .. isn't, So is she Neither is She is not She she too 15, They are glad .. Seeing . you again. To see To seeing See 16, Everything is ready on the table, .. Are they ...? Is it . . show me a nice picture, Ann? Isn't it Aren't they 17, Would you

0
24 tháng 7 2018

1.Without jack's help, I wouldn't have been able to move the table

If Jack help me, I would have been able to move the table

2.If you changed your mind, you'd be welcome to join us

Were you to change your mind, you'd be welcome to join us

3.I wouldn't except if you asked me to marry you

If you were to ask me to marry you, I wouldn't accept

4.I didn't enjoy my holiday there so I am not going back

If I had enjoyed my holiday, I wouldn't have gone back

5.If the guests arrived this week, there'd be no rooms available

Were the guests to arrive this week, there'd be no rooms available

6.You're tired now because you went to bed so late lastnight

If went to bed earlier last night you would not be so tired

7.She can meet him If he arrives before eleven

So long as she arrives before eleven, she can meet him

8.You can borrow the car, but you've got to fill it up with petrol

Provide that u've got to fill the car up with petrol, you can borrow it

9.She doesn't know anything about first aid, so she couldn't help him

If she knew anything about first aid, she could help him

10.I didn't look after my teeth, and now I've got false ones

If I had looked after my teeth, i would have got false ones

11.You drink too much coffee, that's why you can't sleep

If you didn't drink too much coffe, you could sleep

12.He would have lent you his violin if you'd asked him

Had you asked him,He would have lent you his violin

TRANSFORMATION 1.Ba is very young, so he can't drive a car Ba is not.... 2. The man is very strong. He can't do hard work The man is... 3. He can't carry this box because he is too weak He isn't.... 4. The room is big. Four people can live there The room is... 5. we didn't go to the zoo because the weather was bad The weather wasn't good... 6. It is intended that production will start at the end of the month Production is.... 7. She intends to visit her friends this week She...
Đọc tiếp

TRANSFORMATION

1.Ba is very young, so he can't drive a car

Ba is not....

2. The man is very strong. He can't do hard work

The man is...

3. He can't carry this box because he is too weak

He isn't....

4. The room is big. Four people can live there

The room is...

5. we didn't go to the zoo because the weather was bad

The weather wasn't good...

6. It is intended that production will start at the end of the month

Production is....

7. She intends to visit her friends this week

She is...

8. I intend to come over to pick you up

I am...

9. I intend to play for the damage

I am....

10. I'm going to play table tennis this evening

I intend....

11. I have no intention of going to her wedding

I am not....

12. She has long black hair

Her hair.....

13. His hair is curly, short and black

He has.....

14. Your soon is largre and bright

You....

15. My teacher has a small round face

My teacher's face........

16. It's a small black box

The box.......

17. Playing with matches is very dangerous

It's very dangerous.........

18. It is dangerous to put a knife into an electrical socket

Putting a knife......

19. It's diffcult to learn French

Learning......

20. Reading book is very interesting

It's.......

21. Don't stay up late every night

You......

22. It's better for you to reveiw what you have learned

You shuold.........

23. I advise you to keep your house clean and tidy

You ought........

24. It isn't necessary for you to water that tree every day

You don't have......

25. She stays up too late and she is always tired the next morning

She should.....

1

1.Ba is very young, so he can't drive a car

Ba is not old enough to drive a car.

2. The man is very strong. He can't do hard work

The man is too weak to do hard work.

3. He can't carry this box because he is too weak

He isn't strong enough to carry this box.

4. The room is big. Four people can live there

The room is big enough for four people to live there.

5. we didn't go to the zoo because the weather was bad

The weather wasn't good enough for us to go to the zoo.

6. It is intended that production will start at the end of the month

Production is going to start at the end of the month.

7. She intends to visit her friends this week

She is going to visit her friends this week.

8. I intend to come over to pick you up

I am goint to come over to pick you up.

9. I intend to play for the damage

I am going to play for the damage.

10. I'm going to play table tennis this evening

I intend to play table tennis this evening.

11. I have no intention of going to her wedding

I am not going to her wedding.

12. She has long black hair

Her hair is long and black.

13. His hair is curly, short and black

He has short curly black hair.

14. Your soon is large and bright

You have a bright large soon.

15. My teacher has a small round face

My teacher's face is small and round.

16. It's a small black box

The box is small and black.

17. Playing with matches is very dangerous

It's very dangerous to play with matches.

18. It is dangerous to put a knife into an electrical socket

Putting a knife into an electrical socket is dangerous.

19. It's diffcult to learn French

Learning French is difficult.

20. Reading book is very interesting

It's interesting to read book.

21. Don't stay up late every night

You shouldn't stay up late every night.

22. It's better for you to reveiw what you have learned

You shuold review what you have learned.

23. I advise you to keep your house clean and tidy

You ought to keep your house clean and tidy.

24. It isn't necessary for you to water that tree every day

You don't have to water that tree every day.

25. She stays up too late and she is always tired the next morning

She should not stays up too late.

13 tháng 1 2019

If a line is correct, put a tick next to the number.

Being an only child

1...im an only child. People often say to me: wouldn't you be a lot

2...happier if you have had -> had brothers and sisters? But I don't see it like that.

3... it's true that if I had had -> had a brother or sister, I would have someone closer

4.√..to my own age to talk to and play with at home, but I don't think that is

5..√. very important provided for you have close friends, which I do. if my

6...parents would had -> had more children, they wouldn't be able to spend so much -> much

7...time with me. And we have -> would have great fun together! Also, except if I had a

8... brother or sister, I 'd have it -> X to share a bedroom with them. That might be

9...fun, but what would happen if I wanted to play my CDs and -> but he or she had

10... to study? No- I don't want a brother or sister, unless it will happens -> happens, of course. In that case,i'll think it's the best thing in the world!

18 tháng 10 2017

Make conditional sentences according to the facts provided.

1. Keep silent or you'll wake up the baby up.

If you don't keep silent, you will wake the baby up

2. Because you don't leave immediately, I call a policeman.

If you leave immediately, I won't call a policeman

3. I don't know her number, so I don't ring her up.

If I knew her number, I would ring her up

4. Go right now or you'll be late for the train.

If you don't go right now, you will be late for the train

5. As she is often absent from class, she can't keep pace with her classmate.

If she weren't absent from class, she could keep pace with her classmate

6. I couldn't write to Alice because I didn't know her address.

If I had known Alice's address, I would have written to her

7. I don't know the answer, so I can't tell you.

If I knew the answer, I would tell you

8. We got lost because we didn't have a map.

If we had had a map, we wouldn't have got lost

9. His friends werre so late, so they missed the train.

If his friends hadn't been so late, they wouldn't have missed the train

10. today isn't Sunday, so the pupils can't go swimming.

If today were Sunday, the pupils could go swimming

18 tháng 10 2017

Make conditional sentences according to the facts provided.

1. Keep silent or you'll wake up the baby.

-> If you don't keep silent, you'll wake up the baby.

2. Because you don't leave immediately, I call a policeman.

-> If you left immediately, I wouldn't call a policeman.

3. I don't know her number, so I don't ring her up.

-> If I knew her number, I would ring her up.

4. Go right now or you'll be late for the train.

-> If you don't go right now, you'll be late for the train.

5. As she is often absent from class, she can't keep pace with her classmate.

-> If she weren't often absent from class, she could keep pace with her classmates.

6. I couldn't write to Alice because I didn't know her address.

-> If I had known her address, I could have written to Alice.

7. I don't know the answer, so I can't tell you.

-> If I knew the answer, I could tell you.

8. We got lost because we didn't have a map.

-> If we had had a map, we wouldn't have got lost.

9. His friends werre so late, so they missed the train.

-> If his friends hadn't been so late, they wouldn't have missed the train.

10. today isn't Sunday, so the pupils can't go swimming.

-> If today were Sunday, the pupils could go swimming.