1 I think you ought to give up playing video games (should)                                        

→ I think you should give up playing video games.

2. It's necessary for me to finish the work on time(have to)

 → I have to finish the work on time

3. It wasn't necessary for you to clean that car (have to)

→ You didn't have to clean that car.

4. It was quite unnecessary for you to adopt a green lifestyle. (have to)

→ You didn't have to adopt a green lifestyle.​

5. It was careless of you to leave the windows open last night.(shouldn't)

→ You shouldn't have left the windows open last night.

6. It is advisable for each member in the family to share the housework equally. (Should)

→ Each should share the housework equally.

7. You are required to come back home before 10 p.m. (must)

→ You must come back home before 10 p.m.

8. Lina is advised to prepare carefully in the morning. (should)

→ Linda should prepare carefully in the morning.

9. Tu is responsible for picking up litter. (have to)

→ Tu has to pick up litter.

10. You are required to ask your parents for permission before staying out late. (must)

→ You must ask your parents for permission before staying out late.

11. I think you ought to give up smoking immediately. (should)

→ I think you should give up smoking immediately​​

12. It is not a good idea for me to stay up late. (shouldn't)

→ I shouldn't stay up late.

13. It wasn't necessary for you to send these letters. (have to)

→ You didn't have to send these letters.

14. It was unnesscesary for Tim to finish the work. (have to)

→ Tim didn't have to finish the work.

15. It was careless of you to leave your children alone at home. (shouldn't)

→ You shouldn't have left your children alone at home.

1 I think you ought to give up playing video games (should)                                        

→I think you

2. It's necessary for me to finish the work on time(have to)

 → I

3. It wasn't necessary for you to clean that car (have to)

→You

4. It was quite unnecessary for you to adopt a green lifestyle. (have to)

→You

5. It was careless of you to leave the windows open last night.(shouldn't)

→You

6. It is advisable for each member in the family to share the housework equally. (Should)

→Each

7. You are required to come back home before 10 p.m. (must)

→You

8. Lina is advised to prepare carefully in the morning. (should)

→Linda

9. Tu is responsible for picking up litter. (have to)

→Tu

10. You are required to ask your parents for permission before staying out late. (must)

→You

11. I think you ought to give up smoking immediately. (should)

→I think you

12. It is not a good idea for me to stay up late. (shouldn't)

→ I

13. It wasn't necessary for you to send these letters. (have to)

→You

14. It was unnesscesary for Tim to finish the work. (have to)

→Tim

15. It was careless of you to leave your children alone at home. (shouldn't)

→You

1 I think you ought to give up playing video games (should)                                →I think you should give up playing video games 

2. It's necessary for me to finish the work on time(have to)

 → I have to finish the work on time

3. It wasn't necessary for you to clean that car (have to)

→You didn't have to clean that car

4. It was quite unnecessary for you to adopt a green lifestyle. (have to)

→You didn't have to adopt a green lifestyle

5. It was careless of you to leave the windows open last night.(shouldn't)

→You shouldn't have left the windows open last night

6. It is advisable for each member in the family to share the housework equally. (Should)

→Each member in the family should share the housework equally

7. You are required to come back home before 10 p.m. (must)

→You must come back home before 10pm

8. Lina is advised to prepare carefully in the morning. (should)

→Linda should prepare carefully in the morning

9. Tu is responsible for picking up litter. (have to)

→Tu has to pick up litter

10. You are required to ask your parents for permission before staying out late. (must)

→You must ask your parents for permission before staying out late

11. I think you ought to give up smoking immediately. (should)

→I think you should give up smoking immediately

12. It is not a good idea for me to stay up late. (shouldn't)

→ I shouldn't stay up late

13. It wasn't necessary for you to send these letters. (have to)

→You didn't have to send these letters

14. It was unnesscesary for Tim to finish the work. (have to)

→Tim didn't have to finish the work

15. It was careless of you to leave your children alone at home. (shouldn't)

→You shouldn't have left your children alone at home

Choose the best answer for each of the fllowing sentences
1. ............ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless

2. 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

3. If you take the ice out of the fridge, it ...........
A. vaporizes B. melts C. heats D. disappears

4. 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

5. 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

6. Unless we .......... more snow, we can't go skiing.
A. will have B. have C. have had D. had

7. You'll fail the exam ........... you start revising.
A. if B. until C. when D. unless

8. Unless you wash the car, you .............. not drive it at the weekend
A. would B. could C. have to D. may

9. If Peter ............... his car before the drive, he ................ the problem of out of petrol.
A. cheked / will not get B. had checked / would not have got
C. checks / will not have got D. would be checking / will not have got

10. 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 step on the mine, it wouldn't have exploded.

41. His friends talked him into smoking a cigarette with them, they were peer pressuring him.

42. They pressured you into underage smoking which is dangerous.

43. Peer pressure can even affect the strongest-willed person.

44. G-Dragon should walk away and find a new group of friends.

45. The one who can respect your decisions and help you become a better person.

1, to buy

2, not to spend / watching

3, to be cut / have / will be done

4, enjoying

5, play

6, to leave

7, to try to study

8, smoking

9, taking

10, buying

11, taking

12, to join

13, to go 

14, to be decorated

1. to buy

2. not to spend/watching

3. to be cut/have/will be done

4. ẹnoying

5. play

6. to have

7. to try/to study

8. smoking

9. talking

10. buying

11. talking

12. to join

13. to go

14. to be decorate

ai k cho mình vói

1.  Unless I don’t study, I will not pass the exams. --> bỏ
2. If the sun shines, we would walk to the town. --> will
3. If he will have a temperature, he will see the doctor. --> has
 4. If my friends come, I will am very happy. --> be
5. If she earn a lot of money, she will fly to New York. --> earns

1.doesn't hurries

2.see

3.will be

doesn't hurry (cau dk loai 1)

see (cau dk loai 1)

had spoken (cau dk loai 3)

would you do (cau dk loai 2)

1.doesn't hurries

2.see

3.had spoken

PART 1:

1. come..will prepare

2. live...will visit

3. were...would play

4. were...would invite

5. studies....will be

6. have...will buy

7. do....will earn

8. gets...will ask

9. had hurried...would have caught

10. rains...will take

PART2

1. would come

2. rang

3. rained

4. were

5. is improved

6. had

7. would you do

8. did

9. would build

10. gives

11. is improved

12. had

13. attended

14. knew

15. studies

3.

1. had

2. attended

3. knew

4. will be

5. would come

6. studies

7. doesn't hurry

8. would you do

9. rang

10. rained

Khá mỏi tay (Chia nhỏ ra bạn ơi!!!!!!!!!!)

part1

1. come..will prepare 2. live...will visit

3. were...would play 4. were...would invite

5. studies....will be 6. have...will buy

7. do....will earn 8. gets...will ask

9. had hurried...would have caught 10. rains...will take

part 2

1. would come 2. rang 3. rained 4. were 5. is improved

6. had 7. would you do 8. did 9. would build 10. gives

11. is improved 12. had 13. attended 14. knew 15. studies

part3.

1. had 2. attended 3. knew 4. will be 5. would come

6. studies 7. doesn't hurry 8. would you do

9. rang 10. rained

dài lắm bạn ơi

1. If I (have)_______had_____a typewriter, I could type it myself

2.You could make much progress if you (attend)_____attended_________class regularly

3.If I ( know)_______knew______his telephone number, I would give it to you.

4.If you are kind to me, I (be)__am____ goog to you

5.He (come)______would come____ if you waited

6.If he (study)_______studies_____harder, he can pass an exam.

7.She may be late if she ( not hurry)___doesn't hurry_______

8.What (you/do)_______would you do_____ if you got fat?

9.If you (ring)______rang_____the bell, the servant would come.

10.If it (not,rain)_______didn't rain_______ a lot, the rice crop wouldn't grow.

11.If today (be)_____were______Sunday, we wouldn't have to work.

12.We lost the match. If you (play)____played____ for us, we (win)____would won______.

13.They would not be paid unless they (do)____didn't do_____ their work well.

14.If I became very rich, I (build)_____would build_______a hospital for the poor.

15.If he (give)______gives____ up smoking, as his doctor orders, he will be soon well again.

16.You would have to stay in bed unless your health (improve)___________improved____________.

17.If I (have)______had____ a typewriter, I could type it my self.

18. You could make much progress if you (attend)_____attended______ class regularly.

19.If I (know)______knew______his telephone number, I would give it to you

20. If he (study)_____studies______harder, he can pass an exam

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

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