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27 tháng 1 2019

if i ......., i would express my feelings

a .were asked

b .would ask

c. had been asked

d, asked

2 i am very thin . i think, if i .............. smoking , i might get fat

a stop b.had stopped c will stop d stopped

3 if i .................. that yesterday , i .......................them

a, had discovered / would inform

b, had discovered / would have informed

c, had discovered / could inform

d, discovered / can inform

i think he is not at home , if he ,,,,,,,,,,,,,,,,in , he ...............the phone

a. was/answered

b. were/ would answer

c, were / would have answered

d, had been /would have answered

if Colmbus .......money from Qeen Isabella , he ..............across the Atlantic

a. do not receive /could not sail

b had not received/might not have sailed

c did not receive /might not have sailed

d would not receive /might not sail

if anybody ............a questions, please ask me after class

a, had b, have c, c has d, will have

27 tháng 1 2019

if i ......., i would express my feelings

a .were asked

b .would ask

c. had been asked

d, asked

2 i am very thin . i think, if i .............. smoking , i might get fat

a. stop b.had stopped c will stop d stopped

3 if i .................. that yesterday , i .......................them

a, had discovered / would inform

b, had discovered / would have informed

c, had discovered / could inform

d, discovered / can inform

i think he is not at home , if he ,,,,,,,,,,,,,,,,in , he ...............the phone

a. was/answered

b. were/ would answer

c, were / would have answered

d, had been /would have answered

if Colmbus .......money from Qeen Isabella , he ..............across the Atlantic

a. do not receive /could not sail

b had not received/might not have sailed

c did not receive /might not have sailed

d would not receive /might not sail

if anybody ............a questions, please ask me after class

a, had b, have c, c has d, will have

1. I wish I ………………. to retake my exams.     A. do not have         B. will not have       C. am about                    D. did not have2. The spacemen felt as if he ………………. in a paradise.     A. had been                        B. falls                   C. fall                    D. has fallen3. I wish another more effective teaching method ………………used.               A. is                                    B. was                    C. were                  D. has been4. She spent money as if...
Đọc tiếp

1. I wish I ………………. to retake my exams.

     A. do not have         B. will not have       C. am about                    D. did not have

2. The spacemen felt as if he ………………. in a paradise.

     A. had been                        B. falls                   C. fall                    D. has fallen

3. I wish another more effective teaching method ………………used.          

     A. is                                    B. was                    C. were                  D. has been

4. She spent money as if she always ………………. plenty of it.

     A. have                   B. had                    C. had had             D. should have

5. She made lot of mistakes but I wish she ……………….     

     A. didn’t                 B. hadn't                C. wouldn’t                        D. did

6. I suggest that the doctor ………………. up his mind without delay.

     A. makes                B. make                 C. made                 D. is to make

7. It's high time we ………………. these mice.

     A. are getting rid of                               B. are going to get rid of

     C. get rid of                                                      D. got rid of

8. It is necessary that children ………………. of their old parents.    

     A. to take care        B. takes care          C. took care                       D. take care

9. I wish this English course ………………. the whole year.  

     A. will last              B. may last             C. lasted                 D. last

10. It is essential that the sponsor ………………. the file early.         

     A. make                  B. makes                C. made                 D. making

11. The clients demanded that the doctor’s office       ………………. earlier.           

     A. opening              B. opened              C. open                  D. to open

12. It is cold now. The homeless child wishes he ………… in a cozy             family.

     A. has been             B. will be               C. were                  D. is

13. He wishes he ………………. the college that year.           

     A. entered         B. had entered          C. would enter         D. has been entering

14. I wish you ………………. quiet a moment, I can't hear what …………….

     A. would keep - the compere is saying       B. kept - the compere said

     C. will keep - the compere saying           D. had kept - had the compere said

15. It is essential that Mary ………………. speak English.

     A. be able to         B. is able to          C. was able to         D. must be able to

16. Everyone urged that Bill ………………. his          education.

     A. continue             B. continuing              C. to continue           D. continued

17. The director requests that all packages ………………. at the central office.

     A. to mail                B. be mailed          C. to be mailed      D. mailing

18. It is imperative that you ………………. careful on construction site.

     A. to be                   B. were                              C. are                     D. be

19. It is advisable that she ………………. care of her mother.

     A. to take                B. takes                  C. take                   D. took

20. She insisted that we ………………. our holiday in Dalat.

     A. spend                 B. spent            C. should be spent      D. be spent

21. Mrs. White always talks to her baby as though he ………………. an adult.

     A. is                                    B. were                   C. had been                      D. will be

22.  When he came out of the room, he looked ……………. he had seen a ghost.

     A. as                       B. as though           C. when                 D. if

23. He acts as if he ………………. English perfectly.

     A. know                  B. knew                 C. have known      D. had known

24. She acted as though she ………………. him before.

     A. knew                  B. know                 C. had known        D, has known

25. I would rather that I ………………. him to my birthday party yesterday.

     A. invited                B. have invited                 C. had invited        D. invite

26. She would rather Mary ………………. here right now.

     A. be                       B. were                  C. was        D. B and C are correct

27. I would rather that you ………………. this letter tomorrow.

     A. type                    B. typed                 C. had typed          D. would type

28. Henry would rather that his girlfriend ……………. in the same department as he does.

     A. work                  B. worked              C. had worked       D. would work

29. If I ………………. you, 1 wouldn't worry about going to university.

     A. am                      B. be                      C. were                  D. had been

30. If I ………………. so busy yesterday, I would have visited you.

     A. were not             B. wasn’t               C. aren’t                 D. hadn't been

3
31 tháng 8 2021

1D

2A

3C

4C

5B

6B

7D

8D

9C

10C

31 tháng 8 2021

11C

12C

13B

14A

15A

17B

18D

19C

20A

8 tháng 7 2023

1.liza might not come to my birthday party

2.I might go home early today

3.he is thirsty,so he will get some drink

4. susie is hungry , so she will eat a sandwich

5. Tom's brother might go out with his friends

24 tháng 1 2021

1. I would be surprised if Ann came to see us now.

2. If we had enough money,we would go on holiday

3. Unless you do these exercises more carefully, you will fail the exam.

4. If I knew the answer, I could tell you.

5. If she knew French, she could apply for the job

6. Unless she cam here now, we'd come back home

7. Unless you are careful, you will be able to get the job

8. If it rains soon, the tree won't die

25 tháng 1 2021

* Rewrite the sentences.

1. It is late now; I don't think Ann will come to see us.

-> I would be surprised if __________Ann came to see us________.

2. We don't go on holiday because we don't have enough money.

-> If _________we had enough money, we would go on holiday_________.

3. Do these exercises more carefully or you will fail the exams.

->Unless_________you do these exercises more carefully, you will fail the exams_________.

4. I do not know the answer so I cannot tell you.

-> If _________I knew the answer, I could tell you_________.

5. She can't apply for the job because she doesn't know Frencj.

-> If she knew__________Frencj, she could apply for the job________.

6. If she didn't come here now, we'd come back home.

-> Unless__________she came here now, we'd come back home________.

7. Be careful or you will not be able to get the job.

-> Unless__________you are careful, you won't be able to get the job________.

8. The trees will die unless it rains soon.

-> If_________it doesn't rain soon, the trees will die_________.

1) It is late now; I don't think Ann will come to see us -> I would be surprised if ....................................... 2)We don't go on holiday because we don't have enough money -> If........................................................................ 3) Do these exercises more carefully or you will fail the exams -> Unless...................................................................... 4) I do not know the answer so I can not tell you ->...
Đọc tiếp

1) It is late now; I don't think Ann will come to see us

-> I would be surprised if .......................................

2)We don't go on holiday because we don't have enough money

-> If........................................................................

3) Do these exercises more carefully or you will fail the exams

-> Unless......................................................................

4) I do not know the answer so I can not tell you

-> If......................................................................

5) She can't apply for the job because she doesn't know French

-> If she new.........................................................

6) if she didn't come here now, we'd come back home

-> Unless....................................................................

7) Be careful or you will not be able to get the job

-> Unless................................................................

8) The tress will die unless it rains soon

-> If...........................................................

1
25 tháng 7 2018

1) It is late now; I don't think Ann will come to see us

-> I would be surprised if Ann came to see us.

2)We don't go on holiday because we don't have enough money

-> If we had enough money, we would go on holiday.

3) Do these exercises more carefully or you will fail the exams

-> Unless you do these exercises more carefully, you will fail the exams.

4) I do not know the answer so I can not tell you

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

5) She can't apply for the job because she doesn't know French

-> If she knew French, she could apply for the job.

6) if she didn't come here now, we'd come back home

-> Unless she came here now, we'd come back home.

7) Be careful or you will not be able to get the job

-> Unless you are careful, you will be able to get the job.

8) The trees will die unless it rains soon

-> If it doesn't rains soon, the trees will die.

Choose the best answer to complete the sentences.1.If there________ no gravity, you do not weigh anything (be/is/were/was)2.If you________ a report, you'll have to prepare it carefully.(do/did/will do/would do)3.If Hoa_________ home, she'll tell her parents about her result.(call/ calls/calling/will call)4.If the local authorities ___________ littering, the environment will become bad. (don't prevent/not prevent/will not prevent/ didn't prevent)5.If I___________ an astronaut, I would observe...
Đọc tiếp

Choose the best answer to complete the sentences.

1.If there________ no gravity, you do not weigh anything (be/is/were/was)

2.If you________ a report, you'll have to prepare it carefully.(do/did/will do/would do)

3.If Hoa_________ home, she'll tell her parents about her result.(call/ calls/calling/will call)

4.If the local authorities ___________ littering, the environment will become bad. (don't prevent/not prevent/will not prevent/ didn't prevent)

5.If I___________ an astronaut, I would observe the Earth from the moon. (be/is/were/was)

6.I__________ to Lan's birthday party if she invites me. (go/will go/ went/gone)

7.If solar energy is used widely in the future, the environment ____________ .(will be protected/ will be protect/would be protected/would be protect)

8.If the teacher_________ us some homework, we have to stay home and do it. (gives/give/ will give/gave)

9.Their parents would be happy if they ________ the final exam. (passed/pass/will passed/would pass)

10.Please let me know if the teacher___________ .(will come/comes/coming/come)

11. If you______ to pass the exam, you should try harder. (wanted/want/will want/wants)

12.If I had time, I __________ the poor children with studying. (helped/help/will help/would help)

13.If I saw a UFO, I _____________ surprised. (not be/would not be/were not/ won't be)

14. If people destroy the rainforest, rare animals ____________. (would be killed/will kill/ will be killed/ would kill)

15.They will pass the final exam if they _________ hard. (will study/ studied/study/would study)

1
18 tháng 7 2021

1. is

2 do

3. calls

4.don't prevent

5.was

6. will go

7. will be protected

8.gives

9. passed

10.comes

11. want

12. would help

13.would not be

14.wil be killed

15. study

bn tham khảo nhé

Exercise 6 : Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 2.If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 3.If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 4.If the sun _____, we _____for a walk. A....
Đọc tiếp
Exercise 6 : Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 2.If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 3.If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 4.If the sun _____, we _____for a walk. A. shines / will go B. shone / will go C. shone / would go D. had shone / would go 5.The campfire _____ if it _____ last night. A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains 6.But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 7.If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had 8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were / would know B. is / will know C. had been / would have known D. was / would know 9.If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 10.I will never talk to you again _____ you apologize me _____ your being rude. A. if / for B. unless / for C. or / of D. whether / or 11._____if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 12.I think you should stop smoking. A. If I am you, I will stop smoking. B. If I were you, I will stop smoking. C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking. 13.If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 14.We should do something to protect water from being polluted _____we will have nothing to drink in the future. A. if B. whether C. or D. unless 15.Let’s knock on their door to see _____home. A. if they’re B. unless they’re C. whether they were D. if they were 16.Unless we _____more snow, we can’t go skiing. A. will have B. have C. have had D. had 17.You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 18.Unless you wash the car, you _____not drive it at the weekend. A. would B. could C. have to D. may 19.If Peter _____his car before the drive, he _____the problem of out of petrol. A. checked / will not get B. had checked / would not have got C. checks / will not have got D. would be checking / will not have got 20.He stepped on the mine, and it exploded. A.If he doesn’t step on the mine, it doesn’t explode. B.If he doesn’t step on the mine, it won’t explode. C.If he didn’t step on the mine, it wouldn’t explode. D.If he hadn’t stepped on the mine, it wouldn’t have exploded. 21. In my experiments, the liquid is cooled to 32ºF. It always freezes. A.If you cool the liquid to 32 degrees, it froze. B.If you cooled the liquid to 32 degrees, it would freeze. C.If you cool the liquid to 32 degrees, it will freeze. D.If you had cooled the liquid to 32 degrees, it would have frozen. 22.It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled. C. if it rained, the match would be cancelled D. If it had rained, the match would have been cancelled. 23.Unfortunately, I don’t know Philosophy, so I can’t answer your question. A.If I know Philosophy, I can answer your question. B.If I know Philosophy, I will be able to answer your question. C.If I knew Philosophy, I would be able to answer your question. D.If I had known Philosophy, I would have been able to answer your question. 24._____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 25.If he _____with us now, he _____ the beauty of nature of the National Park. A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy 26.If they had searched more carefully, they...the watch sooner. A. will find B. would find C. found D. would have found 27.If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 28.I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 29.Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 30.If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 31.You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 32.Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 33.You will get a good seat if you _____ first. A. come B. came C. have come D. will come 34.Sam will not graduate_____. A. if he passed all the tests B. if he does not pass all the tests. C. unless he passes all the tests D. unless he had passed all the tests. 35.If I had time, I would go with you. A.I am free and surely go with you. B.I am too busy to go with you. C. I will go with you because I have time. D. I am free enough to go with you. 36.If Margaret hadn’t been wearing a seat belt, she.... Injured. A. has been B. would has been C. would be D. would have been 37.If I _____ the rain yesterday, I_____ ill. A. had not caught / would have been B. had not caught / would have not been C. have not caught / were not D. have not caught / would have been 38.He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 39.What _____if there _____ a serious nuclear accident. A. will happen / was B. happens / were C. would happen / were D. would happen / had been
2
2 tháng 1 2019

Exercise 6 : Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 2.If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 3.If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 4.If the sun _____, we _____for a walk. A. shines / will go B. shone / will go C. shone / would go D. had shone / would go 5.The campfire _____ if it _____ last night. A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains 6.But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 7.If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had 8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were / would know B. is / will know C. had been / would have known D. was / would know 9.If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 10.I will never talk to you again _____ you apologize me _____ your being rude. A. if / for B. unless / for C. or / of D. whether / or 11._____if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 12.I think you should stop smoking. A. If I am you, I will stop smoking. B. If I were you, I will stop smoking. C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking. 13.If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 14.We should do something to protect water from being polluted _____we will have nothing to drink in the future. A. if B. whether C. or D. unless 15.Let’s knock on their door to see _____home. A. if they’re B. unless they’re C. whether they were D. if they were 16.Unless we _____more snow, we can’t go skiing. A. will have B. have C. have had D. had 17.You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 18.Unless you wash the car, you _____not drive it at the weekend. A. would B. could C. have to D. may 19.If Peter _____his car before the drive, he _____the problem of out of petrol. A. checked / will not get B. had checked / would not have got C. checks / will not have got D. would be checking / will not have got 20.He stepped on the mine, and it exploded. A.If he doesn’t step on the mine, it doesn’t explode. B.If he doesn’t step on the mine, it won’t explode. C.If he didn’t step on the mine, it wouldn’t explode. D.If he hadn’t stepped on the mine, it wouldn’t have exploded. 21. In my experiments, the liquid is cooled to 32ºF. It always freezes. A.If you cool the liquid to 32 degrees, it froze. B.If you cooled the liquid to 32 degrees, it would freeze. C.If you cool the liquid to 32 degrees, it will freeze. D.If you had cooled the liquid to 32 degrees, it would have frozen. 22.It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled. C. if it rained, the match would be cancelled D. If it had rained, the match would have been cancelled. 23.Unfortunately, I don’t know Philosophy, so I can’t answer your question. A.If I know Philosophy, I can answer your question. B.If I know Philosophy, I will be able to answer your question. C.If I knew Philosophy, I would be able to answer your question. D.If I had known Philosophy, I would have been able to answer your question. 24._____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 25.If he _____with us now, he _____ the beauty of nature of the National Park. A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy 26.If they had searched more carefully, they...the watch sooner. A. will find B. would find C. found D. would have found 27.If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 28.I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 29.Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 30.If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 31.You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 32.Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 33.You will get a good seat if you _____ first. A. come B. came C. have come D. will come 34.Sam will not graduate_____. A. if he passed all the tests B. if he does not pass all the tests. C. unless he passes all the tests D. unless he had passed all the tests. 35.If I had time, I would go with you. A.I am free and surely go with you. B.I am too busy to go with you. C. I will go with you because I have time. D. I am free enough to go with you. 36.If Margaret hadn’t been wearing a seat belt, she.... Injured. A. has been B. would has been C. would be D. would have been 37.If I _____ the rain yesterday, I_____ ill. A. had not caught / would have been B. had not caught / would have not been C. have not caught / were not D. have not caught / would have been 38.He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 39.What _____if there _____ a serious nuclear accident. A. will happen / was B. happens / were C. would happen / were D. would happen / had been

2 tháng 1 2019

Lần sau bn vt thì cách ra cho dễ nhìn nhé~~~~

Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she

2.If you_____to me, you wouldn’t have got so much trouble.

A. listened B. would listen C. had listened D. Would have listened

3.If you don’t know how to spell a word, you_____ look it up in the dictionary.

A. must B. will C. should D. ought

4.If the sun _____, we _____for a walk.

A. shines / will go B. shone / will go C. shone / would go D. had shone / would go

5.The campfire _____ if it _____ last night.

A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains

6.But for our parents, we _____ successful in life.

A. will never be B. would never be C. wouldn’t have be D. would have never been

7.If I _____ my wallet at home this morning, I _____ money for lunch now.

A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had

8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.

A. were / would know B. is / will know C. had been / would have known D. was / would know

9.If we _____ the plans carefully, we would not have had so many serious mistakes.

A. study B. had studied C. studied D. were studying

10.I will never talk to you again _____ you apologize me _____ your being rude.

A. if / for B. unless / for C. or / of D. whether / or

21 tháng 8 2017

viết lại câu sao cho nghĩa không đổi

1. I do not buy it because I do not have enough money

--> If I had enough money , i would buy it

2. I am búy now, so I can not help you

--> If I weren't buying now , i could help you

3. There will be a shortage of water unless it rains

--> If it doesn't rain , there will be a shortage of water

4. John is fat because she eat many chips

--> If she didn't eat many chips , she wouldn't be fat

5. I will only help you if you promise to try harder

--> Unless you promise to try harder , i won't help you

6. If it does not rain soon, the srops will be lost

--> Unless it rains soon , the crops will be lost

7. I am very tired so I can not concentrate properly

--> If i weren't tired , i could concentrate properly

8.We do not have a garden , so we do not grow our own vegetables

--> If we had a garden , we would grow our own vegetables

9. He does not give you good advice because he is not your true friend

--> If he were your true friend , he would giv you good advice

10. We come late becavuse the rain is so havely

--> If the rain weren;t so heavy , we wouldn't come late

21 tháng 8 2017

viết lại câu sao cho nghĩa không đổi

1. I do not buy it because I do not have enough money

--> If I had enough money, I would buy it.

2. I am búy now, so I can not help you

--> If I wasn't busy now, I could help you.

3. There will be a shortage of water unless it rains

--> If it didn't rain, there would be a shortage of water.

4. John is fat because she eat many chips

--> If she didn't eat many chips, she wouldn't be fat.

5. I will only help you if you promise to try harder

--> Unless you promise to try harder, I will not help you.

6. If it does not rain soon, the srops will be lost

--> Unless it rains soon, the srops will be lost.

7. I am very tired so I can not concentrate properly

--> If I wasn't very tired, I could concentrate properly.

8.We do not have a garden , so we do not grow our own vegetables

--> If we had a garden, we would grow our own vegetables.

9. He does not give you good advice because he is not your true friend

--> If he was your true friend, he would give you good advice.

10. We come late becavuse the rain is so havely

--> If the rain wasn't so heavy, we wouldn't come late.