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Giúp mik nhanh nhan1. I have a(n) _____________ to seafood. My skin appears lots of red spots whenever Ieat shrimps, crabs or mussels.2. Please ____________me ____________. I just want to sleep on Sunday.3. Your voice ____________. Are you sick?4. Wear jackets and caps when going outside if you don’t want to ____________.5. You should go on diets to keep a good shape. You should do more exercise to____________.6. Today’s weather is perfect for swimming. I will ____________ for an answer if...
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Giúp mik nhanh nhan

1. I have a(n) _____________ to seafood. My skin appears lots of red spots whenever I
eat shrimps, crabs or mussels.
2. Please ____________me ____________. I just want to sleep on Sunday.
3. Your voice ____________. Are you sick?
4. Wear jackets and caps when going outside if you don’t want to ____________.
5. You should go on diets to keep a good shape. You should do more exercise to
____________.
6. Today’s weather is perfect for swimming. I will ____________ for an answer if you
refuse. I’ll be there soon. See you there!
7. Young teenagers should take up good habits of eating good and healthy food, don’t
eat much ____________ which can cause obesity and high-blood pressure.
8. Mom, please ____________me ____________ early tomorrow because I have an
important test. Thank mom in advance!
9. Please confirm your ____________ of this offer in writing.
10. Staying healthy and keeping fit are good ways for us to avoid getting ____________
in the winter.
11. Do you ____________ his invitation to go to the movie tonight?
12. It is not ____________ to lie on the couch and watch TV all the time if you want to
lose weight. Get out of the sofa, exercise and activate your body more often.
13. He is ____________ to cats. He keeps sneezing when touching them.
14. A: You are getting fatter. – B: Yeap, I keep eating all the time without exercising
regularly, so I am putting ____________.
15. If you don’t want to have ____________, wear a coat when going out. It’s really hot
at this time of the year.

 

1
28 tháng 8 2020

1. allergy

2. don't wake me up

3. gets deeper

4. get sick

5. stay healthy

6. say no

7. junk food

8. wake me up

9. signature

10. sick

11. accept

12. to

13. be allergic 

14. on weight

15. the flu

EXERCISE 1: Rewrite the following sentences using “Unless”1. I won’t go to school if I don’t feel better.2. Tony will walk to you is you question him.3. If you don’t put on your overcoat, you’ll be cold.4. You will fail the exam if you don’t work hard.5. You’ll get a cold if you don’t keep your feet dry.6. If I don’t leave now, I’ll miss my flight.7. If you aren’t going to the party, I won’t go.8. I can’t send you a postcard if  you don’t give me your address.9. If...
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EXERCISE 1: Rewrite the following sentences using “Unless”

1. I won’t go to school if I don’t feel better.

2. Tony will walk to you is you question him.

3. If you don’t put on your overcoat, you’ll be cold.

4. You will fail the exam if you don’t work hard.

5. You’ll get a cold if you don’t keep your feet dry.

6. If I don’t leave now, I’ll miss my flight.

7. If you aren’t going to the party, I won’t go.

8. I can’t send you a postcard if  you don’t give me your address.

9. If I won a big prize in a lottery, I’d build a school for the poor.

10. I’ll call the police if you don’t leave me alone.

EXERCISE 2: Rewrite the following sentences using conditional sentences type 2.

1. They are poor, so they can’t help us.

2. He doesn’t do this homework. He is always punished.

3. He doesn’t have enough time. He can’t help me.

4. She doesn’t take any exercise, so she is overweight.

5. He doesn’t have a bicycle, so he always goes to class late.

6. I am bad at English, so I can’t do homework.

7. He doesn’t practise speaking French, so he doesn’t speak it fluently.

8. The meeting can be cancelled because it snows heavily.

9. We don’t go because it will rain.

10. John is fat because he eats so many chips.

EXERCISE 3: Rewrite the following sentences using conditional sentences type 3

1. He didn’t hurry, so he missed the train.

2. We didn’t go because it rained.

3. We got lost because we didn’t have a map.

4. He lost his job because he was late everyday.

5. The dress was so expensive. She could not buy it.

6. Sue felt sick because she ate four cream cakes.

7. My brother left the car keys, so I had to pick him up at the station,

8. We didn’t go on holiday because we didn’t have enough money.

9. He didn’t have the ticket to the game last week. He wasn’t be able to get in.

10. Robert got a bad cough because he started smoking cigarettes.

1
2 tháng 12 2019

Exercise 1:

  1. I won't go to school unless I feel better.
  2. Tony won't walk to you unless you question him. 
  3. You'll be cold unless you put your overcoat on.
  4. You will fail the exam unless you work hard.
  5. You'll get a cold unless you keep your feet dry.
  6. I won't go to the party unless you go.
  7. I'll miss my flight unless I leave now.
  8. I can't send you a postcard unless you give me your address.
  9. I can't build a school for the poor unless I win a big lottery.
  10. I will call the police unless you leave me alone.
I. Give the correct form of the verbs: 1. ..............you ............... (be) free next Sunday morning , Tan ? -No. I and my brother.............. (visit) our grandmother. 2. Trang ...............(not be) in her room at the moment. She.............(cook) in the kitchen. 3. Would you like .............(have) breakfast with eggs, children? 4. Lien ................(not go) to the movie theater tomorrow. She .............. (stay) at home and watch TV. 5. Let’s .................(meet) at 6...
Đọc tiếp

I. Give the correct form of the verbs:
1. ..............you ............... (be) free next Sunday morning , Tan ?
-No. I and my brother.............. (visit) our grandmother.
2. Trang ...............(not be) in her room at the moment. She.............(cook) in the kitchen.
3. Would you like .............(have) breakfast with eggs, children?
4. Lien ................(not go) to the movie theater tomorrow. She .............. (stay) at home and watch TV.
5. Let’s .................(meet) at 6 o’clock in front of the park.
II. Match the questions in column A with the answers in column B.
A B
1. Where were you yesterday? a. It was really wonderful.
2. Where did you go? b. I bought some books.
3. What was the trip like? c. I went there by coach.
4. Who did you go with? d. It was yesterday.
5. What did you do? e. I went to Da Lat.
6. When was Nam’s birthday? f. No, I didn’t. I went by train.
7. Did you get to Ha Noi by plane? g. I went with my family.
8. How did you get to Da Nang ? h. I was at the book fair.
Key: ..........................................................................................
III. Reorder the words to make sentences.
1. did / What / do / you / when / there / you / were / ?
___________________________________________________________
2. often / surf / I / internet / in / free / time / my / the /.
___________________________________________________________
3. Dong Nai / My / is / opposite/ house / stadium / .
___________________________________________________________
4. like / I’d / visit / ancient / to/ Hoi An / town / .

___________________________________________________________
5. was/ like /trip / What /the / ?
___________________________________________________________

1

III. Reorder the words to make sentences.
1. did / What / do / you / when / there / you / were / ?
-> What did you do when you were there?
2. often / surf / I / internet / in / free / time / my / the /.
-> I often surf the Internet in my free time.
3. Dong Nai / My / is / opposite/ house / stadium / .
-> My house is opposite Dong Nai stadium.
4. like / I’d / visit / ancient / to/ Hoi An / town / .

-> I'd like to visit Hoi An ancient town.
5. was/ like /trip / What /the / ?
-> What was the trip like?

Tick và theo dõi mk nha! yeu

Trắc nghiệm câu điều kiện từ 21 - 30 21-If she …..him,she would be very happy. A-would meet B-will meet C-is meeting D-should meet 22-If he …..a thorough knowledge of English, he could have applied for this post. A-had had B-had C-has D-has had 23-If I had enough money,I……abroad to improve my English. A-will go B-would go C-should go D-should have go to 24-The bench would collapse if they……on it. A-stood B-stand C-standing D-stands 25-If it……convenient, let’s go out for a drink...
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Trắc nghiệm câu điều kiện từ 21 - 30
21-If she …..him,she would be very happy.
A-would meet B-will meet C-is meeting D-should meet
22-If he …..a thorough knowledge of English, he could have applied for this post.
A-had had B-had C-has D-has had
23-If I had enough money,I……abroad to improve my English.
A-will go B-would go C-should go D-should have go to
24-The bench would collapse if they……on it.
A-stood B-stand C-standing D-stands
25-If it……convenient, let’s go out for a drink tonight,
A-be B-is C-was D-were
26-If you……time, please write to me.
A-have B-had C-have had D-has
27-I shouldn’t go there at night if I ….you.
A-am B-was C-be D-were
28-If I …….get a pole, I will go fishing.
A-can B-could C-may D-might
29-If you had the chance,…….you go fishing?
A-did B-may C-would D-do
30-If you …..a choice, which country would you visit?
A-have B-had C-have had D-will have
Trắc nghiệm câu điều kiện từ 31-40
31-She will acept the offer if you persuade her.
A-unless B-because C-provided that D-otherwise
32-If he were here,he would accompany you on the piano.
A-Supposing he were here B-because he were here C-were he here D-Both Aand C
33-If she had gone abroad, she would have let you know.
A-had gone she abroad B-had she gone abroad
C-Because she had gone abroad D-while she had gone abroad
34-Trees won’t grow…….there is enough water.
A-if B-when C-unless D-as
35-……….she agreed, you would have done it.
A-if B-had C-should D-would
36-If he hadn’t wasted too much time , he ……in his examination.
A-would fail B-wouldn’t fail C-wouldn’t have failed D-won’t fail
37-If I had taken that English course, I…….much progress.
A-had made B-would have made C-made D-would make
38-If I were in your place, I….a trip to England.
A-will make B-had made C-would make D-made
39-If you inherited a million pounds,what…….with the money?
A-do you do B-will you do C-would you do D-are you going to do
40-If you……..as I told you, you…….in such predicament now.
A-Did/would not be B-had done/had not been
C-do/would not be D-had done /would not be

Trắc nghiệm câu điều kiện từ 41-50
41-Come and work for my company iif you…….better to do.
A-have nothing B-will have nothing C-had something D-had nothing
42-If you had done as I told you ,I think you……….
A-would succeed B-would have succeeded C-could succed D-had succeeded
43-If he had got half a mark more, he ……in the exam.
A-wouldn’t fail B-wouldn’t have failed C-won’t fail D-won’t be failing
44-If it……… tomorrow, we may postpone going.
A-rains B-will rain C-shall rain D-raining
45-If you hadn’t watched that late movie last night, you……sleepy now.
A-wouldn’t have been B-wouldn’t be
C-might have not been D-would’t have been being
46 - If you …….as I told you, you ……….sorry now.
A-did/would not be B-had done/had not been
C-do /would not be D-had done/would not be
47-If I………I will let you know .
A-am staying B-will stay C-do stay D-would stay
48-“Are you thinking about going to the Bahamas for the hollidays?”
“No,but if I ……the time , I would definitely go”
A-have B-had C-have had D-would have
49-“It’s really raining”
“Yes.If the weather……, we’ll have to camp somewhere else”.
A-would get worse B-might get worse C-get worse D-should get worse
50-“Why did you only send twenty dollats in the mail?”
“If I had had more money, I ……..given you more.”
A-will have B-would have C-would D-have

Trắc nghiệm câu điều kiện từ 51-60
51-“My boss made me work overtime again”.
“If I were you,I……….my job”.
A-would quit B-will quit C-must quit D-quit
52-“Thanks for your help”.
“…….want more information,call again tomorrow”.
A-were you B-had you to C-might you D- should you
53-“Remember the day I drove you to the airport?”.
“If you hadn’t ……me ,I would have been late”.
A-take B-taking C-took D-taken
54-“Sally finally got here from Chicago”.
“If she had come earlier,we……taken her to the play”.
A-would be B-would have C-had have D-would had
55-“I don’t know whether to take that mathematics course or not”.
“If ………you, I’d take it”.
A-I am B-I will be C-I had been you D-I were
56-“My car broke down when I was leaving Detroit and I had to take the bus”.
“………,we would have picked you up”.
A-had we known B-if we have known C-we had known D-if we did know
57-“It’s beginning to rain”.
“……..,we won’t be able to finish the ball game”.
A-If it stops B-should it stop C-unlees it stops D-if it didn’t stop
58-“Did you need help with your math last night?”.
“If I had, I………you”.
A-would call B-called C-would have called D-will call
59-“I’d really like some lunch but I have so much work to do”.
“……..what you want and I can get it for you”.
A-tell me B-if you would say me C-you will tell to me D-if you tell me
60-“John went to the hospital alone”,
“If …….,Iwould have gone with him”.
A-had he told me B-he had told me C-ha has told me D-he would tell me

2
5 tháng 5 2018

Trắc nghiệm câu điều kiện từ 21 - 30
21-If she …..him,she would be very happy.
A-would meet B-will meet C-is meeting D-should meet
22-If he …..a thorough knowledge of English, he could have applied for this post.
A-had had B-had C-has D-has had
23-If I had enough money,I……abroad to improve my English.
A-will go B-would go C-should go D-should have go to
24-The bench would collapse if they……on it.
A-stood B-stand C-standing D-stands
25-If it……convenient, let’s go out for a drink tonight,
A-be B-is C-was D-were
26-If you……time, please write to me.
A-have B-had C-have had D-has
27-I shouldn’t go there at night if I ….you.
A-am B-was C-be D-were
28-If I …….get a pole, I will go fishing.
A-can B-could C-may D-might
29-If you had the chance,…….you go fishing?
A-did B-may C-would D-do
30-If you …..a choice, which country would you visit?
A-have B-had C-have had D-will have
Trắc nghiệm câu điều kiện từ 31-40
31-She will acept the offer if you persuade her.
A-unless B-because C-provided that D-otherwise
32-If he were here,he would accompany you on the piano.
A-Supposing he were here B-because he were here C-were he here D-Both A and C
33-If she had gone abroad, she would have let you know.
A-had gone she abroad B-had she gone abroad
C-Because she had gone abroad D-while she had gone abroad
34-Trees won’t grow…….there is enough water.
A-if B-when C-unless D-as
35-……….she agreed, you would have done it.
A-if B-had C-should D-would
36-If he hadn’t wasted too much time , he ……in his examination.
A-would fail B-wouldn’t fail C-wouldn’t have failed D-won’t fail
37-If I had taken that English course, I…….much progress.
A-had made B-would have made C-made D-would make
38-If I were in your place, I….a trip to England.
A-will make B-had made C-would make D-made
39-If you inherited a million pounds,what…….with the money?
A-do you do B-will you do C-would you do D-are you going to do
40-If you……..as I told you, you…….in such predicament now.
A-Did/would not be B-had done/had not been
C-do/would not be D-had done /would not be

Trắc nghiệm câu điều kiện từ 41-50
41-Come and work for my company iif you…….better to do.
A-have nothing B-will have nothing C-had something D-had nothing
42-If you had done as I told you ,I think you……….
A-would succeed B-would have succeeded C-could succed D-had succeeded
43-If he had got half a mark more, he ……in the exam.
A-wouldn’t fail B-wouldn’t have failed C-won’t fail D-won’t be failing
44-If it……… tomorrow, we may postpone going.
A-rains B-will rain C-shall rain D-raining
45-If you hadn’t watched that late movie last night, you……sleepy now.
A-wouldn’t have been B-wouldn’t be
C-might have not been D-would’t have been being
46 - If you …….as I told you, you ……….sorry now.
A-did/would not be B-had done/had not been
C-do /would not be D-had done/would not be
47-If I………I will let you know .
A-am staying B-will stay C-do stay D-would stay
48-“Are you thinking about going to the Bahamas for the hollidays?”
“No,but if I ……the time , I would definitely go”
A-have B-had C-have had D-would have
49-“It’s really raining”
“Yes.If the weather……, we’ll have to camp somewhere else”.
A-would get worse B-might get worse C-get worse D-should get worse
50-“Why did you only send twenty dollats in the mail?”
“If I had had more money, I ……..given you more.”
A-will have B-would have C-would D-have

5 tháng 5 2018

Trắc nghiệm câu điều kiện từ 51-60
51-“My boss made me work overtime again”.
“If I were you,I……….my job”.
A-would quit B-will quit C-must quit D-quit
52-“Thanks for your help”.
“…….want more information,call again tomorrow”.
A-were you B-had you to C-might you D- should you
53-“Remember the day I drove you to the airport?”.
“If you hadn’t ……me ,I would have been late”.
A-take B-taking C-took D-taken
54-“Sally finally got here from Chicago”.
“If she had come earlier,we……taken her to the play”.
A-would be B-would have C-had have D-would had
55-“I don’t know whether to take that mathematics course or not”.
“If ………you, I’d take it”.
A-I am B-I will be C-I had been you D-I were
56-“My car broke down when I was leaving Detroit and I had to take the bus”.
“………,we would have picked you up”.
A-had we known B-if we have known C-we had known D-if we did know
57-“It’s beginning to rain”.
“……..,we won’t be able to finish the ball game”.
A-If it stops B-should it stop C-unlees it stops D-if it didn’t stop
58-“Did you need help with your math last night?”.
“If I had, I………you”.
A-would call B-called C-would have called D-will call
59-“I’d really like some lunch but I have so much work to do”.
“……..what you want and I can get it for you”.
A-tell me B-if you would say me C-you will tell to me D-if you tell me
60-“John went to the hospital alone”,
“If …….,Iwould have gone with him”.
A-had he told me B-he had told me C-ha has told me D-he would tell me

1. You have toothache because you eat much candy.

2. I can have more time on Sunday, so we can go to the zoo.

3. You should eat less fast food.

4. Today I am going to school but my brother isn't going. (??)

5. Sports, such as riding a bike and running need a lot of calories.

6. My mom wants she to be more healthier so eats more fruits and vegetables. 

7. You should come back home early because it's cold.

8. I don't want to go to bed so i should be tired tomorrow early.

9. Mai try to talk less because she has a sore throat.

10. It's harmful to your body if you go to bed late.

22 tháng 9 2020

sai câu 1,2,6,7,8,9

Read the following letter, then choose the best sentences from below to fit the spaces. The first one, '0', has been completed for you. Dear Jane, Thank you for your last letter ____0____. I am happy that you have decided to start learning French like me. If you want, we can go on holiday together next summer to France and then ____1____. When I come to visit you in London in the spring, we can talk together in French if you want. Yesterday, I returned from my short holiday camping in...
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Read the following letter, then choose the best sentences from below to fit the spaces. The first one, '0', has been completed for you.

Dear Jane,

Thank you for your last letter ____0____. I am happy that you have decided to start learning French like me. If you want, we can go on holiday together next summer to France and then ____1____. When I come to visit you in London in the spring, we can talk together in French if you want.

Yesterday, I returned from my short holiday camping in Scotland. I went with Melissa, my friend that you met ____2____. Do you remember her? We stayed in her tent in a campsite near Edinburgh but the weather was terrible for ____3____ we were there. It rained every day and everything was so wet and ____4____. But while I was there I saw a lot of interesting places and we visited a lot of castles ____5____. One day, we hired a boat and went out onto a lake which was near the campsite. It rained all day ____6____ decided to go for a swim in the lake and that was wonderful.

I am starting my new job tomorrow in the library near my house. ____7____ and he helped me to find a job for every Saturday morning. I work from nine o´clock in the morning until one o´clock in the afternoon. It is very useful for me ____8____ in a library when I finish university. How is your job at the supermarket? Please tell me what you are ____9____.

I am going to do my French homework now!

Au revoir

Kate

Choose a number for each sentence. Number '0' is written as an example.

and other historical places

we can practice our French together

the whole four days

doing this month

but me and Melissa

which I received last Saturday 0

we were so cold

My uncle works there

the last time you were here

because I want to work

2
4 tháng 8 2017

Read the following letter, then choose the best sentences from below to fit the spaces. The first one, '0', has been completed for you.

Dear Jane,

Thank you for your last letter ____which I received last Saturday ____. I am happy that you have decided to start learning French like me. If you want, we can go on holiday together next summer to France and then ____we can practice our French together____. When I come to visit you in London in the spring, we can talk together in French if you want.

Yesterday, I returned from my short holiday camping in Scotland. I went with Melissa, my friend that you met ____the last time you were here____. Do you remember her? We stayed in her tent in a campsite near Edinburgh but the weather was terrible for ____the whole four days____ we were there. It rained every day and everything was so wet and ____we were so cold____. But while I was there I saw a lot of interesting places and we visited a lot of castles ____and other historical places____. One day, we hired a boat and went out onto a lake which was near the campsite. It rained all day ____but me and Melissa____ decided to go for a swim in the lake and that was wonderful.

I am starting my new job tomorrow in the library near my house. ____My uncle works there____ and he helped me to find a job for every Saturday morning. I work from nine o´clock in the morning until one o´clock in the afternoon. It is very useful for me ____because I want to work____ in a library when I finish university. How is your job at the supermarket? Please tell me what you are ____doing this month____.

I am going to do my French homework now!

Au revoir

Kate

4 tháng 8 2017

Read the following letter, then choose the best sentences from below to fit the spaces. The first one, '0', has been completed for you.

Dear Jane,

Thank you for your last letter ____0____. I am happy that you have decided to start learning French like me. If you want, we can go on holiday together next summer to France and then ____1_we can practice our French together___. When I come to visit you in London in the spring, we can talk together in French if you want.

Yesterday, I returned from my short holiday camping in Scotland. I went with Melissa, my friend that you met __the last time you were here.__2____. Do you remember her? We stayed in her tent in a campsite near Edinburgh but the weather was terrible for ____3__the whole four days.__ we were there. It rained every day and everything was so wet and __ we were so cold.__4____. But while I was there I saw a lot of interesting places and we visited a lot of castles _and other historical places.___5____. One day, we hired a boat and went out onto a lake which was near the campsite. It rained all day ___but me and Melissa_6____ decided to go for a swim in the lake and that was wonderful.

I am starting my new job tomorrow in the library near my house. __My uncle works there__7____ and he helped me to find a job for every Saturday morning. I work from nine o´clock in the morning until one o´clock in the afternoon. It is very useful for me ____8_because I want to work___ in a library when I finish university. How is your job at the supermarket? Please tell me what you are __doing this month.__9____.

I am going to do my French homework now!

Au revoir

Kate

Choose a number for each sentence. Number '0' is written as an example.

and other historical places

we can practice our French together

the whole four days

doing this month

but me and Melissa

which I received last Saturday 0

we were so cold

My uncle works there

the last time you were here

because I want to work

28 tháng 6 2017

II. Fill in the -ing form or the infintive in the appropriate tense.

Tom: Do you think Mary would like 1).........to go...........(go) to the theatre with me tonight?

Jo: I don't think so. She seems 2).......to be studying.......(study) very hard at the moment.

Tom: That's a shame! I would have liked 3).......to go.......(go) out with her.

Jo: I wouldn't mind 4) ........coming.........(come ) with you.

Tom: OK. But I think you should 5).......talk............(talk) to Mary. The last time I saw her she claimed 6).........to have been working........(work) till 2 o'clock every morning for the past month. It's not good for her, you know.

Jo: I know. I must 7) .............have talked.......(talk) to her about it. But you know how she hates 8).........being told.......(tell) what to do.

42. did=> do

43. bỏ but vì có Although

44. at=> to

45. bỏ to vì có Will rồi=))

46. However, (thiếu dấu phẩy)

correct the verb form 1,if you(go)......................away,please write to me 2,if you (be).......................in,i should have given it to you 3,if he(he).......................another cake,he will be sick 4,i (not do).....................that if i (be)..................you 5,if he(take).......................my advice everything can go well 6,i would have come sooner if i (know).................you were here 7,he never does homework .if he (do).................his homework he(not...
Đọc tiếp

correct the verb form

1,if you(go)......................away,please write to me

2,if you (be).......................in,i should have given it to you

3,if he(he).......................another cake,he will be sick

4,i (not do).....................that if i (be)..................you

5,if he(take).......................my advice everything can go well

6,i would have come sooner if i (know).................you were here

7,he never does homework .if he (do).................his homework he(not worry).................about his examination

8,it is too bad we lost the game.if you(play)..................for us ,we(win)...................

9,what you (do).....................if she refuses your invitation?

10,if today (be)...................sunday,we(go).................to the beach

11,unless they (pass)............their examinations thay would join the army

12,you(be)......................ill if you drink that water

13,if tom (go).................to bed earlier he would not be so tired

14,had we known your address,we(write)....................you a letter

15if it is raining heavily,we (not go).....................for a donkey ride

16,if he (try)....................hard,he 'll pass the examination

17,i could understand the frech teacher if she (speak)..................more slowly

18,if she(not be)...................busy,she would have come to the party

19,if i(finish)..............the work in time i (go)...........................to the football game

20,if you(see).................mary today,please (ask)...................her to call me

1
29 tháng 11 2018

correct the verb form

1,if you(go)..........go............away,please write to me

2,if you (be)............are...........in,i should have given it to you

3,if he(he).............has..........another cake,he will be sick

4,i (not do).........wouldn't do............that if i (be)......were............you

5,if he(take).............takes..........my advice everything can go well

6,i would have come sooner if i (know)......have known...........you were here

7,he never does homework .if he (do).....didn't do............his homework he(not worry).....wouldn't worry............about his examination

8,it is too bad we lost the game.if you(play)....play..............for us ,we(win).........will win..........

9,what you (do)........will you do.............if she refuses your invitation?

10,if today (be).........is..........sunday,we(go)...........will go......to the beach

11,unless they (pass)......pass......their examinations thay would join the army

12,you(be).........will be.............ill if you drink that water

13,if tom (go).......went..........to bed earlier he would not be so tired

14,had we known your address,we(write)......wrote..............you a letter

15if it is raining heavily,we (not go)........won't go.............for a donkey ride

16,if he (try).........tries...........hard,he 'll pass the examination

17,i could understand the frech teacher if she (speak)..........speaks........more slowly

18,if she(not be)............haven't been.......busy,she would have come to the party

19,if i(finish).....finish.........the work in time i (go)........will go...................to the football game

20,if you(see).........see........mary today,please (ask)........ask...........her to call me