50 bài tập câu điều kiện loại 1, 2, 3 có đáp án

Exercise 1: Put the verbs in brackets in correct tenses.

1/ If I (have) ________ a typewriter, I could type it myself.

2/ If I had known that you were in hospital, I (visit) ________ you.

3/ You could make much progress if you (attend) ________ class regularly.

4/ If I (know) ________ his telephone number, I would give it to you.

5/ If you (arrive) ________ ten minutes earlier, you would have got a seat.

6/ If he (study) ________ harder, he can pass an exam.

7/ She may be late if she (not hurry) ________.

8/ Tell him to ring me if you (see) ________ him.

9/ If you (speak) ________ more slowly, he might have understood you.

10/ What (you do) ________ if you got fat?

Đáp án:

1 - had;

2 - would have visited;

3 - attended;

4 - knew;

5 - arrived;

6 - studies;

7 - doesn't hurry;

8 - see;

9 - have spoken;

10 - would you do;

Exercise II : Supply the correct verb tense.

1/ If you are kind to me, I (be) _______ good to you.

2/ He (come) _______ if you waited.

3/ If you (ring) _______ the bell, the servant would come.

4/ If I had known that the baby was hungry, I (feed) _______ him.

5/ If it (not, rain) _______ a lot, the rice crop wouln’t grow.

6/ If today (be) _______ Sunday, we wouldn’t have to work.

7/ If she had had your address, she (write) _______ to you.

8/ We lost the match. If you (play) _______ for us, we (win) _______.

9/ They would not be paid unless they (do) _______ their work well.

10/ If I became very rich, I (build ) _______ a hospital for the poor.

11/ If he (give) _______ up smoking, as his doctor orders, he will be soon well again.

12/ He (not, have) _______ an accident if he had not been driving so fast.

13/ If she (write) _______ more carefully, she might not have made too many mistakes.

14/ You would have to stay in bed unless your health (improve) _______.

15/ If I (have) ________ a typewriter, I could type it myself.

Đáp án:

1 - will be;

2 - would come;

3 - rang;

4 - would have fed;

5 - didn't rain;

6 - were;

7 - would have written;

8 - had played - would have won;

9 - did; 10 - would build;

11 - gives;

12 - would not have had;

13 - had written;

14 - improved;

15 - had

Exercise III: Cho dạng đúng của động từ trong ngoặc.

1. If we meet at 9:30, we (have) _________________plenty of time.

2. If you (find) _________________ a skeleton in the cellar, don't mention it to anyone.

3. The zookeeper would have punished her with a fine if she ( feed) _________________ the animals..

4. If you pass your examination, we (have) _________________a celebration.

5. Lisa would find the milk if she (look) _________________ for it in the fridge.

6. What (happen) _________________if I press this button?

7. The door will be unlocked if you (press)_________________ the green button.

8. I should have voted for her if I (have) _________________ a vote then.

9. If you go to Paris, where you (stay) _________________?

10. If you (swim) _________________ in this lake, you'll shiver from cold.

11. If someone offered to buy you one of those rings, which you (choose) _________________?

12. The flight may be cancelled if the fog (get) _________________thick.

13. If the milkman (come) _________________, tell him to leave two pints.

14. I (call) _________________ the office if I were you.

15. Someone (sit) _________________on your glasses if you leave them there.

16. You would hear my explanation if you (not talk) _________________so much.

17. What I (do) _________________if I hear the burglar alarm?

18. If you (read) _________________the instructions carefully, you wouldn't have answered the wrong question.

19. If Mel (ask) _________________ her teacher, he'd have answered her questions.

20. I would repair the roof myself if I (have) _________________a long ladder.

21. Unless they turn that radio off, I (go) _________________mad.

22. If you were made redundant, what you (do) _________________?

23. We'll have a long way to walk if we (run) _________________out of petrol here.

24. If you shake that bottle of port, it (not be) _________________ fit to drink.

25. If you spoke louder, your classmates (understand) _________________ you.

26. I'll probably get lost unless he (come) _________________with me.

27. You (not have) _________________ so many accidents if you drove more slowly.

28. If you (wear) _________________ a false beard, nobody would have recognized you.

29. If she (leave) _________________ the fish here, the cat will eat it.

30. You (have) _________________ no trouble at school if you had done your homework.

31. Unless you (tell) __________________ the truth, I won't help you.

32. You'll get pneumonia if you (not change) _________________ your wet clothes.

33. If I had known that you couldn't eat octopus, I (not buy) _________________ it.

34. If they (hang) _________________ that picture lower, people would be able to see it.

35. She (be) _________________able to walk faster if she didn't have such high-heel shoes.

36. I (bring) _________________ you some beer if I had known that you were thirsty.

37. If you had touched that electric cable, you (be) _________________ electrocuted.

38. If the story hadn't been true, the newspaper (not print) _________________ it.

39. I (not buy) _________________ things on the installment system if I were you.

40. Dan (arrive) _________________ safe if he drove slowly.

Đáp án:

1. will have;

2. find;

3. had fed;

4. will;

5. looked;

6. will happen;

7. press;

8. had had;

9. will you stay;

10. swim;

11. would you choos;

12. gets;

13. comes;

14. would call;

15. will sit;

16. don’t talk;

17. will you do;

18. had read;

19. had asked;

20. had;

21. will go;

22. would you do;

23. run;

24. won’t be;

25. would have understood;

26. comes;

27. wouldn’t have;

28. had worn;

29. leaves;

30. would have had;

31. Tell;

32. don’t change;

33. wouldn’t have bought;

34. hung;

35. would be;

36. would have brought;

37. would have been;

38. wouldn’t have printed;

39. wouldn’t buy;

40. would drive;

Exercise IV: Chọn đáp án đúng để điền vào chỗ trống

1. If I __________the same problem you had as a child, I might not have succeeded in life as well as you have.

A. have

B. would have

C. had had

D. should have

2. I __________you sooner had someone told me you were in the hospital.

A. would have visited

B. visited

C. had visited

D. visit

3. __________more help, I would call my neighbor.

A. needed

B. should I need

C. I have needed

D. I should need

4. __________then what I know yesterday, I would have saved myself a lot of time and trouble over the years.

A. had I known

B. did I know

C. If I know

D. If I would know

5. Do you think there would be less conflict in the world if all people __________the same language?

A. spoke

B. speak

C. had spoken

D. will speak

6. If you can give me one good reason for your acting like this, __________this incident again.

A. I will never mention

B. I never mention

C. will I never mention

D. I don't mention

7. If I had known you were asleep, I __________so much noise when I came in.

A. didn't make

B. wouldn't have made

C. won't make

D. don't make

8. Unless you __________all of my questions, I can't do anything to help you.

A. answered

B. answer

C. would answer

D. are answering

9. Had you told me that this was going to happen, I __________it.

A. would have never believed

B. don't believe

C. hadn't believed

D. can't believe

10. If Jake __________to go on the trip, would you have gone?

A. doesn't agree

B. didn't agree

C. hadn't agreed

D. wouldn't agree

11. J: "John went to the hospital alone"

K: "If __________, I would have gone with him".

A. had he told me

B. he had told me

C. he has told me

D. he would tell me

12. If you __________, I would have brought my friends over to your house yesterday to watch T.V, but I didn't want to bother you.

A. had studied

B. studied

C. hadn't studied

D. didn't study

13. Peter: "Did you need help with your Math last night?".

Mary: "If I had needed, I __________you".

A. would call

B. called

C. would have called

D. will call

14. If someone __________ in to the store, smile and say, "May I help you?"

A. comes

B. came

C. come

D. should come

15. "Here's my phone number".

"Thanks. I'll give you a call if I __________some help tomorrow"

A. will need

B. need

C. would need

D. needed

16. If I didn't work for an accounting firm, I __________in a bank now.

A. work

B. will work

C. have worked

D. would work

17. The death rate would decrease if hygienic conditions __________improved.

A. was

B. is

C. were

D. had been

18. The education in Japan __________if the basic principles of education had not been taken into consideration.

A. would go down

B. would have gone down

C. went down

D. had gone down

19. If there __________, the rice fields could have been more productive.

A. had been enough water

B. were enough water

C. would be enough water

D. are enough water

20. The patient will not recover unless he __________ an operation.

A. had undergone

B. would undergo

C. undergoes

D. was undergoing

21. If she __________ him, she would be very happy.

A. would meet

B. will meet

C. met

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. went

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

Đáp án:

2. If the sun (to shine)______________, we (to walk)______________into town.

3. If he (to have)______________a temperature, he (to see)______________the doctor.

4. If my friends (to come)______________, I (to be)______________very happy.

5. If she (to earn)______________a lot of money, she (to fly)______________to New York.

6. If we (to travel)______________to London, we (to visit)______________the museums.

7. If you (to wear)sandals in the mountains, you (to slip)______________on the rocks.

8. If Rita (to forget)______________her homework, the teacher (to give)______________her a low mark.

9. If they (to go)______________to the disco, they (to listen)______________to loud music.

10. If you (to wait)______________a minute, I (to ask)______________my parents

11. If you (eat) _____________an ice-cream, I (have) _____________a hot chocolate.

12. If she (need) _____________a computer, her brother (give) _____________her his computer.

13. If we (have / not) _____________time this afternoon, we (meet) _____________

14. He (talk)_____________to her if you (want / not)_____________to do it.

15. You (win / not) _____________the game if you (know / not)_____________the rules.

Đáp án:

1. If I study , I will pass the exams.

2. If the sun shines , we will walk into town.

3. If he has a temperature, he will see the doctor.

4. If my friends come , I will be very happy.

5. If she earns a lot of money, she will fly to New York.

6. If we travel to London, we will visit the museums.

7. If you wear sandals in the mountains, you will slip on the rocks.

8. If Rita forgets her homework, the teacher will give her a low mark.

9. If they go to the disco, they will listen to loud music.

10. If you wait a minute, I will ask my parents.

11. If you eat an ice-cream, I will have a hot chocolate.

12. If she needs a computer, her brother will give her his computer.

13. If we do not have time this afternoon, we will meet tomorrow.

14. He will talk to her if you do not want to do it.

15. You will not win the game if you do not know the rules.

Exercise VI. Using the given information, make conditional sentences using “IF”

1. Go to Corfu. You will like it.

→ If you _____________________________________________

2. Don't hurry. You will not make mistakes.

→ Unless you _____________________________________________

3. Will you see her? Say hello to her.

→ If you _____________________________________________

4. Be careful. You will not fall down.

→ Provided that _____________________________________________

5. You mustn't panic. You will manage it.

→ If you _____________________________________________

6. She can't give it up. She will succeed.

→ In case _____________________________________________

Đáp án:

1. If you go to Corfu, you will like it.

2. Unless you hurry, you will not make mistakes.

3. If you see her, say hello to her.

4. Provided that you are careful, you will not fall down

5. If you do not panic, you will manage it

6. In case does not give it up, she will succeed

Exercise VII. Chia các động từ sau

1.If today _______ (to be/not) cold, we would go swimming.

2. If I throw an object away, it _______ (drop).

3. If Hoang ______ (to be) to study harder, he would get good marks.

4. If Kim _______ (to be/not) lazy, she wouldn’t have failed her exam.

5. If they _______ (go/not) to her birthday party tomorrow, they would be very angry.

6. If Lin (know) ________ his father’s telephone number, I would give it to you.

7. If I learnt English harder, I ________ (pass) the test yesterday.

8. If Nam _______ (see) her, he would have said ‘hello’.

9. If my sister ______ (miss) the bus, she would have been late for her interview.

10. If it don’t rain, I and my best friends ___________ (go) out.

Đáp án:

1.weren’t (do mệnh đề sau chia ở quá khứ – câu điều kiện loại 2)

2. will drop (do mệnh đề trước chia ở thì hiện tại đơn – câu điều kiện loại 1)

3. were (do mệnh đề sau chia ở quá khứ – câu điều kiện loại 2)

4. weren’t (do mệnh đề sau chia ở quá khứ – câu điều kiện loại 2)

5. didn’t go (do mệnh đề sau chia ở quá khứ – câu điều kiện loại 2)

6. knew (do mệnh đề sau chia ở quá khứ – câu điều kiện loại 2)

7. would pass (do mệnh đề trước chia ở thì quá khứ đơn)

8. saw (do mệnh đề sau chia ở quá khứ – câu điều kiện loại 2)

9. had missed (do mệnh đề sau chia ở quá khứ hoàn thành – câu điều kiện loại 3)

10. will go (do mệnh đề trước chia ở thì hiện tại đơn – câu điều kiện loại 1)

Exercise VIII. Tìm và sửa lỗi sai trong câu bên dưới.

1.He wouldn’t drink this wine if I was him.

2. They’d go abroad in the winter if they don’t have a young baby.

3. If his leg was broken, it would hurt more.

4. Hoa wouldn’t have some money if she didn’t work.

5. Wind ’ll have a look. If he finds it, he would give it to her.

Đáp án:

1.was ➔ were (câu điều kiện loại 2)

2. don’t ➔ didn’t (câu điều kiện loại 2)

3. was ➔ were (câu điều kiện loại 2)

4. some ➔ any (câu phủ định không dùng some)

5. would ➔ will (câu điều kiện loại 1)

Exercise IX. Make the first, second or third conditional

1) (Third conditional) If the students (not/be) late for the exam, they (pass) .

2) (Third conditional) If the weather (not/be) so cold, we (go) to the beach.

3) (Second conditional) If she (have) her laptop with her, she (email) me.

4) (First conditional) If she (not/go) to the meeting, I (not/go) either.

5) (Third conditional) If the baby (sleep) better last night, I (not/be) so tired.

6) (First conditional) If the teacher (give) us lots of homework this weekend, I (not/be) happy.

7) (Second conditional) If Lucy (have) enough time, she (travel) more.

8) (First conditional) If the children (not/eat) soon, they (be) grumpy.

9) (First conditional) If I (not/go) to bed soon, I (be) tired in the morning.

10) (Second conditional) If I (want) a new car, I (buy) one.

11) (Second conditional) If José (not/speak) good French, he (not/move) to Paris.

12) (First conditional) If John (drink) too much coffee, he (get) ill.

13) (Third conditional) If we (tidy) our flat, we (not/lose) our keys.

14) (Third conditional) If Luke (not/send) flowers to his mother, she (not/be) happy.

15) (Second conditional) If the children (be) in bed, I (be able to) have a bath.

16) (Second conditional) If you (not/be) so stubborn, we (not/have) so many arguments.

17) (Third conditional) If Julie (not/go) to Sweden, she (go) to Germany.

18) (First conditional) If she (go) to the library, she (study) more.

19) (Third conditional) If we (not/have) an argument, we (not/be) late.

20) (Second conditional) If you (arrive) early, it (be) less stressful.

Đáp án:

1 - hadn't been - would have passed;

2 - hadn't been - would have gone;

3 - had - would email;

4 - doesn't go - won't go;

5 - had slept - wouldn't have been;

6 - gives - won't be;

7 - had - would travel;

8 - don't eat - 'll be;

9 - don't go - 'll be;

10 - wanted - would buy;

11 - didn't speak - wouldn't move;

12 - drinks - 'll get ;

13 - had tidied - wouldn't have lost;

14 - hadn't sent - wouldn't have been;

15 - were - would be able to;

16 - weren't - wouldn't have;

17 - hadn't gone - would have gone;

18 - goes - 'll study;

19 - hadn't had - wouldn't have been;

20 - arrived - would be;

Exercise X. Choose the correct answer to complete the type 1 conditional sentence.

1. Steven, (you do)______ the washing up if I cook lunch?

2. My parents (be)______ worried if I come back home very late.

3. What will she say if her boyfriend (ask)______ her to marry him?

4. I (not buy)_______ the Iphone 13 if it's very expensive.

5. If we (not take)________ our coats, we'll be cold.

6. He (go)______ to university if he does well in his exams.

7. You (be)______ late for school if you don't get up now.

8. If they (play)_________ computer games all night, they'll be tired tomorrow.

Đáp án:

1. Steven, (you do)__will you do____ the washing up if I cook lunch?

2. My parents (be)___will be___ worried if I come back home very late.

3. What will she say if her boyfriend (ask)___asks___ her to marry him?

4. I (not buy)____won't buy___ the Iphone 13 if it's very expensive.

5. If we (not take)___don't take_____ our coats, we'll be cold.

6. He (go)____will go__ to university if he does well in his exams.

7. You (be)___will be___ late for school if you don't get up now.

8. If they (play)____play_____ computer games all night, they 'll be tired tomorrow.

Exercise XI. Complete the sentences with the correct verb form in the bracket.

1. If we meet at 9:30, we (have)__________________ plenty of time.

2. If you (find) __________________a pen in the cellar, don’t mention it to anyone.

3. The zookeeper would have punished her with a fine if she (feed) __________________ the animals.

4. If you pass your examination, we (have)__________________a celebration.

5. Lisa would find the milk if she (look) __________________ for it in the fridge.

6. What (happen)__________________ if I press this button?

7. The door will be unlocked if you (press)__________________ the green button.

8. I should have voted for her if I (have) __________________a vote then.

9. If you go to Paris, where you (stay) __________________?

10. If you (swim)__________________ in this lake, you’ll shiver from cold.

Exercise XII. Finish each of the sentences so that its meaning is the same as the one above it.

1. I didn’t go to your party, so I couldn’t speak to your brother.

If ________________________________________________________

2. We didn’t have your phone number. We didn’t phone you.

If ________________________________________________________

3. You failed your history exam. You didn’t study much

If ________________________________________________________

4. We didn’t take a map. We got lost in the center of the city.

If ________________________________________________________

5. Your mon was sick. I didn’t visit her

If ________________________________________________________

6. He didn’t have his medicine with him. He got very ill.

If ________________________________________________________

Exercise XIII. Complete the sentences with the correct form of the verb in brackets .

1. The teacher will be very angry at you if you __________ your homework (NOT DO).

2. If he __________ me what was wrong, I could help him (TELL)

3. If you hadn't watered the flowers, they __________ (DIE)

4. If you don't hurry, you __________ the bus (MISS)

5. If I __________ you, I wouldn't buy that car, (BE)

6. We are going to play tennis if the weather __________ good (BE)

7. She could have won the race if she __________ harder (TRY).

8. If she __________ to bed early, she will get up early (GO)

9. We would have got wet if __________ we our raincoats (NOT HAVE)

10. If I knew it, I __________ earlier (COME)