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Bài tập 1: Hoàn thành các câu sau với các các từ ở trong ngoặc câu điều kiện loại 1 2 3
1) If we meet at 9:30, we....will have.......(to have) plenty of time.
2) Lisa would find the milk if she.....looked.....(to look) in the fridge.
3) The zookeeper would have punished her with a fine if she.......had fed....(to feed) the animals.
4) If you spoke louder, your classmates......would understand.....(to understand) you.
5) Dan......would arrive.....(to arrive) safe if he drove slowly.
6) You......would have had.....(to have) no trouble at school if you had done your homework.
7) If you.....swim......(to swim) in this lake, you'll shiver from cold.
8) The door will unlock if you......press.....(to press) the green button.
9) If Mel..... had asked......(to ask) her teacher, he'd have answered her questions.
10) I..... would call......(to call) the office if I was/were you.
Bài tập 1: Hoàn thành các câu sau với các các từ ở trong ngoặc câu điều kiện loại 1 2 3
1) If we meet at 9:30, we....will have.......(to have) plenty of time.
2) Lisa would find the milk if she.....looked.....(to look) in the fridge.
3) The zookeeper would have punished her with a fine if she.......had fed....(to feed) the animals.
4) If you spoke louder, your classmates......would understand.....(to understand) you.
5) Dan......would arrive.....(to arrive) safe if he drove slowly.
6) You......would have had.....(to have) no trouble at school if you had done your homework.
7) If you.....swim......(to swim) in this lake, you'll shiver from cold.
8) The door will unlock if you......press.....(to press) the green button.
9) If Mel..... had asked......(to ask) her teacher, he'd have answered her questions.
10) I..... would call......(to call) the office if I was/were you.
Phần 1: Cho dạng đúng của động từ trog ngoặc vs câu điều kiện loại 3:
1. If they (wait) for another 10 minutes, they (see) the pop star.
had wait - would have seen
2. If the police (come) earlier, they (arrest) the burglar.
had come - would have arrested
3. If you (buy) fresh green vegetable, your salad (taste) better.
had bought - would have tasted
4. If Alex (ask) me, I (email) the documents.
had asked - would have emailed
5. If he(speak) more slowly, Peggy (understand) him.
had spoken - would have understood
Phần 2: Cho dạng đúng của động từ trog ngoặc.
1. If we meet at 9:30, we (have) plenty of time.
will have
2. Lisa would find the milk if she (look) in the fridge.
looked
3.The zookeeper would have punished her with a fine of she (feed) the animals.
had fed
4. If you spoke louder, your classmates (understand) you.
would understand
5. Dan (arrive) safe if he drove slowly.
would arrive
6. You (have) no trouble at school if you had done your homework.
would have had
7. If you (swim) in this lake, you'll shiver from cold.
swim
8. The door will unlock if you (press) the green button.
press
9. If Mel (ask) her teacher, he'd have answered her questions
had asked
10. I (call) the office if I (be) you.
would call - were
Cho dạng đúng vào trog ngoặc:
1. If they (listen) listened carefully, they might hear the woodpecker.
2. If I had lain down on the sofa, I (fall) would have fallen asleep.
3. Ngoc could have worker as a model if she (be) had been taller.
4. The soil (not/dry out) will not dry out if you water the plants regularly.
5. If you (give) gave the young boy this stick, he'd hurt himself.
6. We (not/take) would not have taken the wrong trem if Dzung had asked the policewoman.
7. If the cat hides in the tree, the dog (not/find) will not find it.
8. The students would have solves the problem if they (use) had used their texxtbooks.
9. If he washed his feet more often, his girlfriend (visit) would visit him more often.
5. Lisa would find the milk if she (look) _LOOKED________________ for it in the fridge.
6. What (happen) _________WILL HAPPEN________if I press this button?
7. The door will be unlocked if you (press)____PRESS_____________ the green button.
8. I should have voted for her if I (have) ______HAD HAD___________ a vote then.
9. If you go to Paris, where you (stay) ___WILL YOU STAY______________?
10. If you (swim) ________SWIM_________ in this lake, you’ll shiver from cold.
11. If someone offered to buy you one of those rings, which you (choose) _______WOULD YOU CHOOSE__________?
12. The flight may be cancelled if the fog (get) ______GETS___________thick.
13. If the milkman (come) _______COMESS__________, tell him to leave two pints.
14. I (call) ___________WOULD CALL______ the office if I were you.
15. Someone (sit) ________WILL SIT_________on your glasses if you leave them there.
16. You would hear my explanation if you (not talk) DON'T TALK____________so much.
17. What I (do) ________WILL I DO _________if I hear the burglar alarm?
18. If you (read) _______HAD READ__________the instructions carefully, you wouldn’t have answered the wrong question.
19. If Mel (ask) _______HAD ASKED__________ her teacher, he’d have answered her questions.
20. I would repair the roof myself if I (have) _____HAD____________a long ladder.
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 slowly18,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
Put the verbs in brackets into their correct forms!
1. I would have read the letter if I__had known_________ (know) it was from you.
2. If Tony doesn't help in the garden I__won't finish________ (not finish) my work in time.
3 .If you__didn't tell ________ (not tell) me about Maxwell's birthday I would forget it.
4. We_____would have caught________ (catch) the train earlier if Mary had found her purse.
5. If Susan___had learned_________ (learn) the poem she would have known the answer.
6. If it____is________ (be) too hot we will stop and get a cold drink.
7. If it____didn't rain _______ (not rain) today I would stay it home.
8. If the Professor spoke clearly we_would understand _________ (understand) him better.
9. If you go on talking like that we____will throw______ (throw) you out.
10. If Sasha__went ________ (go) home now he would meet his own brother.
11. If it rained, the streets__would be ________ (be) wet.
12. If I__hadn't told ________ (not tell) Jim the address he wouldn't have found you.
13. The bird__would have died__________ (die) if you had caught it.
14. What_would you do__________ (you, do) if you won the lottery?
15. If the weather__doesn't change_______ (not change) we will reach the top of the mountain.
16. Dinner_would be_________ (be) fine if the meat weren't cold.
17. I'm sure Benny_____will come _______ (come) if you wait a bit longer.
18. If you ring the bell, somebody_will answer__________ (answer) it.
19. If Bert_____had seen _____ (see) you, he would have talked to you.
20. You____would have found_______ (find) your ticket if you had looked into your pockets.
21. You__will fall_________ (fall) ill if you eat so much.
22. What___would have happend ________ (happen) if the door had not been opened?
23. If Chris asked you for a cigarette,___would you give _______ (you, give) him one?
24. If you__bought________ (buy) that big car, you would need a lot of money.
25.___Would you change ________ (You, change) the colour of your hair if I asked you to do so?
Exercise 1: Put the verbs in brackets into the correct form:
1. If I see him , I ___will give__ (give ) him a gift.
2. If I had a typewriter, I ___would type__ (type) it myself.
3. If I knew that you are in hospital, I __would visit___ (visit) you.
4. You could make better progress if you __attended___ (attend) class regularly.
5. If I __knew___ (know) his telephone number, I’d give it to you.
6. If you ___arrived__ (arrive) ten minutes earlier, you would have a seat.
7. If he worked more slowly, he __wouldn't make___ (not make) so many mistakes.
8. I shouldn’t drink that wine if I __were___ (be) you.
9. If I __find___ (find) a cheap room, I will stay a fortnight.
10. A lot of people __will be___ (be) out of work if the factory closes down.
Exercise 2: Make conditional sentences:
11. Keep silent or you’ll wake the baby up.
→If you don't keep silent, you will wake the baby up.
12. Stop talking or you won’t understand the lesson.
→ If you stop talking, you will understand the lesson.
13. I don’t know her number, so I don’t ring her up.
→ If knew her number, I would ring her up.
14. I don’t know the answer, so I can’t tell you.
→ If knew the answer, I could tell you.
15. If we didn’t get up late , we would not miss the meeting.
→ Unless we got up late, we would not miss the meeting.
16. He would fail the test if he were lazy
=> Unless he were lazy, he wouldn't fail the test.
17. If Mai is not busy, she will come to the party
=> Unless Mai is busy, she will come to the party.
18. Unless Nam ate too much, he wouldn’t be over weight
=> If Nam eat to much, he would be over weight.
19. Peter is fat because he eats so many chips.
=> If Peter eats so many chips, he will be fat.
Exercise 3. Chia động từ cho trong ngoặc
1. Mr Green always ( go) …goes…….to work by bus.
2. she said It ( not rain ) ………wouldn't rain…….the next day
3. They suggest that their parents ( have )………were having…….. lunch in the cafeteria now.
4. My teacher told me ( drink) ……to drink……… a lot of water every day.
5. Look ! The bus ( come)……is coming….
6. the train (start) ……is going to start…….in 10 minutes
7. There ( be) ……will be……an English class in this room tomorrow evening.
8. What you ( do ) ……will you do…….. when you visit Japan ? – I ( buy ) …will buy….. lots of souvenirs
9. The car looks so clean. You ( wash )…Do you wash……it?
10. How many languages ( speak) ............are spoken............ in the world now?
Đặt các động từ trong ngoặc vào các dạng chính xác của chúng. 
1. I would have read the letter if I had known (know) it was from you.
2. If Tony doesn't help in the garden I will not finish (not finish) my work in time.
3. If you didn't tell (not tell) me about Maxwell's birthday I would forget it.
4. We would have caught (catch) the train earlier if Mary had found her purse.
5. If Susan had learned (learn) the poem she would have known the answer.
6. If it isn't (be) too hot we will stop and get a cold drink.
7. If it didn't rain (not rain) today I would stay it home.
8. If the Professor spoke clearly we would understand (understand) him better.
9. If you go on talking like that we will throw (throw) you out.
10. If Sasha went home (go) home now he would meet his own brother.
11. If it rained, the streets would be (be) wet.
12. If I had not told (not tell) Jim the address he wouldn't have found you.
13. The bird would have died (die) if you had caught it.
14. What would you do (you, do) if you won the lottery?
15. If the weather doesn't change (not change) we will reach the top of the mountain.
16. Dinner would be (be) fine if the meat weren't cold.
17. I'm sure Benny will come (come) if you wait a bit longer.
18.If you ring the bell, somebody will answer (answer) it.
19. If Bert had seen (see) you, he would have talked to you.
20. You would have found (find) your ticket if you had looked into your pockets.
21. You will fall (fall) ill if you eat so much.
22. What would have happened (happen) if the door had not been opened?
23. If Chris asked you for a cigarette, would you give (you, give) him one?
24. If you bought (buy) that big car, you would need a lot of money.
25. Would you change (You, change) the colour of your hair if I asked you to do so?
26. If you give me the letter, I will post (post) it for you.
27. Would you have posted (You, post) the letter if I had given it to you?
28. If the weather is fine, I will go (go) swimming.
29. If you don't work (not work) harder, you won't pass the exam.
30. If they were (be) rich, they would travel around the world.
31. The children would go (go) skating if the lake were frozen.
32. What would you have done, if you had lost (lose) your handbag?
33. What will happen if you don't know (not know) the answer?
34. She would have gone (go) on holiday, if she hadn't been ill.
35. If I had noticed (notice) you, I would have said hello.
36. If I were (be) like you, I wouldn't watch such films.
37. If you opened your eyes, you would see (see) a wonderful world.
38. People will live (live) in peace if they stop fighting.
39. If Tom drinks so much,he won't be able drive (cannot drive) home.
40. If we didn't hurry (not hurry) we would miss the train.
41. He wouldn't spend (not spend) so much money if he weren't a happy person.
42. Would you have come (You, come), if you had had more time?
43. If Jim had studied (study) the new words he would have got a better mark.
44. If he were rich, he would buy(buy) the house.
45. If you don't hurry you will be (be) late.
46. If it wasn't so hot, we would play (play) football.
47. If I was/ were (be) ill, would you visit me?
48. If Sean had not driven (not be) driving so fast, the police would not have stopped him.
49. If I had sold my house, I would have got (get) 4 million pounds.
50. If I was/ were (be) you I would I would do it.
Bài tập 2: Em hãy chuyển các câu điều kiện sau đây sang dạng đảo:
1. Should we meet at 9:30, will have plenty of time.
2. Were she to look in the fridge, she would find the milk
3. Were you to speak louder, your classmates would understand you.
4. were Dan to drive slowly, he would arrive safe .
5. should you swim in this lake, you’ll shiver from cold.
6. Should you press the green button, the door will unlock .
7. Had Mel asked her teacher, he’d have answered her questions.
8. Were i you ,I would call the office .
9. Were they to listen carefully, they might hear the woodpecker.
10. Shouldyou water the plants regularly , the soil won’t dry out .
11. were you to give the young boy this stick, he’d hurt himself.
12. should the cat hide in the tree, the dog won’t find it.
13. were he to wash his feet more often, his girlfriend would visit him more often.
14. were manh to go by train, he would read the newspaper