1. Although he is tired, he has to finish the homework.
2. If I were you, I would take part in these cultural activities.

Write complete sentences using the given words :

1. I/ think/ we/ turn/ light/ before/ leave / room.

=> I think we should turn off the light before leaving room

2. Although / he / over 60 / he / not / wear glasses.

=> Although he is over 60 , he doesn't wear glasses

3. We / know / each other / since / we / be / young.

=> We have known each other since we were young

4. If / i / be / you / i / take part / these / cultural / activity.

=> If I were you , I would take part in these cultural activity

5. I / be / national holiday / yesterday / so / my friends/ i / decide / go/ picnic.

=> I was on national holiday yesterday so my friends and I decided to go on picnic

6. If / he / have / enough money / he / buy / new computer.

=> If he had enough money , he would buy a new computer

7. If / it / not rain / tomorrow / i / go / camping / friends.

=> If it doesn't rain tomorrow , I will go camping with my friends

8. I / not see / him / since / he / move / HCM City.

=> I haven't seen him since he moved to Ho Chi Minh City

14. He doesn't learn hard. He fails his exams

=> He would pass the exam if he learned hard

15. I'm too poor to take a space trip

=> i'm not rich enough to take a space trip

16. I don't have a car, so I can't drive you to the airport

=> if i had a car, i could drive you to the airport

17. Nam is too young, so he can't take part in the project to be trained to become an astronaut

=> nam can’t take part in training to become an astronaut because he is too young

19. We haven't got any matches, so we can't light a fire

=> If we had got some matches, we could light a fire

20. He doesn't help me, possibly because I never ask him for help

=> If I asked him for help, he would help me

21. I don't know his address, so I can't write to him

=> if i knew his address, i could write to him

22. You work too fast, that's why you make so many mistakes

=> if you didn't work too fast, you wouldn't make so many mistakes

23. I don't have a map, so I can't direct you

=> if i had a map, i could direct you

24. English people speak very quickly. Perhaps that's why I can understand them

=> If English people didn't speak quickly, I could understand them

25. I live near my office, so I don't spend much time traveling to work

=> if i didn't live near my office, i would spend much time traveling to work

đề bài bạn ơi 

1 go

2 had been

3 ate

4 wouldn't do

5 takes

6 had known

7 did - wouldn't worry

8 had played - would have won

9 would you do

10 were - would go

1. If you (go) go away, please write to me.
2. If you (be) had been in, I should have given it to you.
3. If you (eat) eat another cake, he will be sick. câu này sai sai:)
4. I (not do) wouldn't do that if I (be) were you.
5. If he (take) takes advice, everything can go well.
6. I'd have come sooner If I knew you were here.
7. he never does homework. If he (do) his homework. ???
8. If you played for us, we (win) would win.
9. What will you (do) do If she refuses your invitation?
10. If today (be) is Sunday, we(go) will go to the beach.

1. If you (go) go away, please write to me.
2. If you (be) had been in, I should have given it to you.
3. If you (eat) ate another cake, he will be sick. câu này sai sai:)
4. I (not do) wouldn't do that if I (be) were you.
5. If he (take) takes advice, everything can go well.
6. I'd have come sooner If I had known you were here.
7. he never does homework. If he (do) his homework. ???
8. If you played for us, we (win) would win.
9. What will you (do) do If she refuses your invitation?
10. If today (be) is Sunday, we(go) will go to the beach.

1. Why was Judy absent from school? ( be sick )

She .was sick..

2. Why did Sam go to the dentist' s? ( have a toothache )

He .had a toothache.. 

3. Why didn' t you take part in volunteer programs? ( not have enough time ) 

I ..didn't have enough money.

1. She was absent from school because she was sick.

2. He went to the dentist' s because he had a toothache.

3. I didn' t take part in volunteer programs because I didn' t have enough time.

1. Why was Judy absent from school? ( be sick )

She .was absent from school​ because she was sick..

2. Why did Sam go to the dentist' s? ( have a toothache )

He .went to the dentist because he had a toothache.. 

3. Why didn' t you take part in volunteer programs? ( not have enough time ) 

I ..didn't take part in volunteer programs because I didn't have enough time.

1. If I meet him, I will tell him to come to see you immediately.

2. If he had the money, he could afford a new car.

3. If I were you, I could go to that seminar for more expertise.

4. You can do everything more perfectly if you listen to what I say.

5. If he wins the contest this time, he will be very rich.

6. If she worked lazily, she would be tired.

1. What should .........do..........................(do) to preserve the local tradition?

2. This used .........to be....................(be) the best restaurant in town.

3. When her train got to the station,we .........were waiting..................(wait) on the platform.

4. If you ..............go...........(go) to bed earlier,you ........won't be...............(not be) so tired.

5. I only with you .........are..............(be) all as happy as I am.

6. The doctor told him to stop ..........smoking................(smoke) and take a trip.

7. He is so annoying! He .........is always leaving..............(always/leave) his things everywhere.

8. I have decided .................to study.................(study) more improve my overall average.

9. As far as I know, he's coming. But I .........haven't spoken .................( not speak) to him for weeks.

10. I will call you when the guests ............arrive...............(arrive)

EX. Chia đt trong ngoặc
1. If you (go) go away, please write to me.
2. If you (be) had been in, I should have given it to you.
3. If you (eat) eat another cake, he will be sick.(có sai chủ ngữ ko vậy?)
4. I (not do) wouldn't do that if I (be) were you.
5. If he (take) takes advice, everything can go well.
6. I'd have come sooner If I knew you were here.
7. he never docs homework. If he (do) his homework. ???
8. If you played for us, we (win) would win.
9.What will you (do) do If she refuses your invitation?
10. If today (be) is Sunday, we(go) will go to the beach.
11. Unless they (pass) passed their examinations, they 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) would have written you a letter
15.If it's raining heavily, we (not go) won't go for a donkcy ride.
16. If he (try) tries hard, he'll pass the examination.
17. I could understand the teacher if she (speak) spoke more sÌowly.
18.If she (not be) hadn't been busy, she would have come to the party.
19. If I (finish) finish the work now, l(go) will go to the football game.
20. If you( see) see Mary today, please (ask) ask her to call me

EX. Chia đt trong ngoặc.
1. If you (go) go away please write to me. (ĐK loại 1)
2. If you (be) had been in, I should have given it to you. (ĐK loại 3)
3. If you (eat) eats another cake, he will be sick. (ĐK loại 1)
4. I (not do) wouldn't do that if I (be) were you. (ĐK loại 2)
5. If he (take) takes advice, everything can go well. (ĐK loại 1)
6. I'd have come sooner If I know you were here.

Câu này sai thì pải!

Sửa: I know \(\rightarrow\) I had known (ĐK loại 3)
7. He never does homework. If he (do) did his homework. (ĐK loại 2)
8. If you played for us, we (win) would win. (ĐK loại 2)
9. What will you (do) do If she refuses your invitation? (ĐK loại 1)
10. If today (be) were Sunday, we (go) would go to the beach. (ĐK loại 2)
11. Unless they (pass) passed their examinations, they would join the army. (ĐK loại 2)
12. You (be) will be ill If you drink that Water. (ĐK loại 1)
13. If Tom (go) went to bed earlier, he would not be so tired. (ĐK loại 2)
14. Had we known your address, We (write) would have written you a letter. (ĐK loại 3)
15. If it's raining heavily, we (not go) won't go for a donkcy ride. (ĐK loại 1)
16. If he (try) tries hard, he'll pass the examination. (ĐK loại 1)
17. I could understand the teacher if she (speak) spoke more slowly. (ĐK loại 2)
18. If she (not be) hadn't been busy, she would have come to the party. (ĐK loại 3)
19. If I (finish) finish the work now, I (go) will go to the football game. (ĐK loại 1)
20. If you( see) see Mary today, please ( ask) ask her to call me. (ĐK loại 1)

Good luck!

1. go
2. Ihad been
3. eats
4. wouldn't do / were
5. takes
6. I had known

7. did
8. would win
9. will / do
10. were / would go
11. passed
12. will be
13. went
14.would have written
15. won't go
16. tries
17. spoke
18. hadn't been
19. finish / will go
20. ask

didn't use to

didn't use to

nhìn vế trước với vế sau không hợp lí cho lắm

didn't use to