Bai tap cau dieu kien

<span class='text_page_counter'>(1)</span>Full name……………………………………………………………………………………………….Class 12…. + EXERCISE 1. Put the verbs in brackets into the correct tenses. Type I 1 If I see him I (give) him a lift. 2 The table will collapse if you (stand) on it. 3 If he (eat) all that he will be ill. 4 If I find your passport I (telephone) you at once. 5 The police (arrest) him if they catch him. 6 If he (read) in bad light he will ruin his eyes. 7 Someone (steal) your car if you leave it unlocked. 8 What will happen if my parachute (not open)? 9 If he (wash) my car I'll give him 10. 10 If she (need) a radio she can borrow mine. 11 If you (not go) away I'll send for the police. 12 I'll be very angry if he (make) any more mistakes. 13 If he (be) late we'll go without him. 14 She will be absolutely furious if she (hear) about this. 15 If you put on the kettle I (make) the tea. 16 If you give my dog a bone he (bury) it at once. 17 If we leave the car here it (not be) in anybody's way. 18 He'll be late for the train if he (not start) at once. 19 If you come late they (not let) you in. 20 If he (go) on telling lies nobody will believe a word he says. 21 Unless he (sell) more he won't get much commission. 22 If I lend you 10 when you (repay) me? 23 We'll have to move upstairs if the river (rise) any higher. 24 If he (work) hard today can he have a holiday tomorrow? 25 Ice (turn) to water if you heat it. + EXERCISE 2 : Put the verbs in brackets into the correct tenses Type II 1 If I had a typewriter I (type) it myself. 2 If I (know) his address I'd give it to you. 3 He (look) a lot better if he shaved more often. 4 If you (play) for lower stakes you wouldn't lose so much. 5 If he worked more slowly he (not make) so many mistakes. 6 I shouldn't drink that wine if I (be) you. 7 More tourists would come to this country if it (have) a better climate. 8 If I were sent to prison you (visit) me? 9 If someone (give) you a helicopter what would you do with it? 10 I (buy) shares in that company if I had some money. 11 If he (clean) his windscreen he'd be able to see where he was going. 12 If you drove your car into the river you (be able) to get out? 13 If you (not belong) to a union you couldn't get a job. 14 If I (win) a big prize in a lottery I'd give up my job. 15 What you (do) if you found a burglar in your house? 16 I could tell you what this means if I (know) Greek. 17 If everybody (give) 1 we would have enough. 18 He might get fat if he (stop) smoking. 19 If he knew that it was dangerous he (not come). 20 If you (see) someone drowning what would you do? + EXERCISE 3: Put the verbs in brackets into the correct tenses Type III.

<span class='text_page_counter'>(2)</span> 1 If I had known that you were in hospital I (visit) you. 2 The ground was very soft. But for that, my horse (win). 3 If you (arrive) ten minutes earlier you would have got a seat. 4 You would have seen my garden at its best if you (be) here last week. 5 But for his quickness I (be) killed. 6 I shouldn't have believed it if I (not see) it with my own eyes. 7 If he had slipped he (fall) 500 meters. 8 If he had asked you, you (accept)? 9 If I (had) a map I would have been all right. 10 If I (know) that you were coming I'd have baked a cake. 11 I (offer) to help him if I had realized that he was ill. 12 If you had left that wasp alone it (not sting) you. 13 If I (realize) what a bad driver you were I wouldn't have come with you. 14 If I had realized that the traffic lights were red I (stop).. EXERCISE 4: Mixed types Put the verb in the brackets in the correct form: Example: If I (have) ______have __time, I will write to him.. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16.. heavier coat. ________________a holiday? ________________you know. ________________ ________________. ________________late for work. ________________.out with you. exam, would you take it again? apply for the job. ________________the right tools. would have passed the exam. yesterday, I would have visited you. ________________to work tomorrow. (be) ________________very tired. be) angry if you had known the reason. __________________________ (feel) worse.. If it’s cold, I (need) ________________a What are you going to do if you (have) If I can go tomorrow, I (let) If flowers don’t get any water, they (die) I will go to the party unless it (rain) If I got up earlier, I (not be) If I didn’t feel so tired, I (go) If you (not pass) ________________the If I (be) ________________you, I would I could repair the car if I (have) If I (study) ________________hard, I If I (not be) ________________busy What would happen if you (not go) If I had gone to your party last night, I You __________________________ (not We’ll send for the doctor if he.

<span class='text_page_counter'>(3)</span> 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30.. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40.. Unless they turn the radio off, I __________________________ (go) somewhere else. Unless it __________________________ (be) a nice day, we won’t go out. The grass would look better if you __________________________ (take care) of it. If you leave the gate open, people __________________________ (get in). If you had asked her permission, she __________________________ (not let) you go. If we leave before the breakfast, we __________________________(catch) the train. If Tom _______________________ (ring), tell him I will phone him. If I ______________________ (know) that you didn’t like fish, I wouldn’t have bought it. I didn’t feel good yesterday. If I (feel) _____________better, I (come) ___________to class yesterday. I (get) ______________you a present if I (know) _____________________it was your birthday yesterday. If the weather (be) ______________________nice tomorrow, I (go) ______________________for a walk. I don’t have enough time. If I (have) ______________enough time, I (go) ________________to the park. I don’t understand that sentence. If I (understand) _________that sentence, I (explain) ________it to you. If I (have) ____________________enough money last night, I (go) ______________________to see you. What you (do) __________ if you (be) __________in my situation? Their marriage only lasted three months. If he (be) __________less mean, she (not leave) _________him. Good, everybody is ready. If we (leave) __________now, we (miss) __________the rush hour traffic. If you (smoke) __________less you (have) __________much money. But I don’t think you ever will. We have lost the camera. If we (lock) ________the car window, we (not give) ______them the opportunity to break in. He threatens (resign) __________if we (not agree) __________to his proposal. If you (press) __________this button, a receptionist (come) __________to help you. If I (be) __________the Prime Minister, I (bring) __________back the capital punishment. The only thing I haven’t got is a garden. If I (have) __________ one, I (grow) __________a lot of flowers. If he (not start) __________at once, he (be) __________late for the train..

<span class='text_page_counter'>(4)</span> EXERCISE 5: Rewrite the following sentences using Unless, If :. 1. The war will spread everywhere if we don’t stop it. Unless ……… 2. All our beautiful forests will be destroyed if we do nothing to preserve them. Unless………. 3. If he hasn’t got a ticket, they won’t let him in. Unless ……….. 4. If it doesn’t rain, we will have no water to use. Unless ……… 5. These flowers will die if nobody waters them. Unless ….. 6. Do your exercises or you will be punished. Unless …. 7. The building is too high. He can’t climd up. If …….. 8. That house is too expensive. I can’t buy it. If ……. 9. He didn’t work hard last term, he lost his job. If ……. 10. Mary didn’t have money with her. She couldn’t buy that present. If …… 11. There was a test yesterday. You didn’t know that, so you didn’t study. If I had known that ….. 12. Your friend was in the hospital. You didn’t know that, so you didn’t visit her. If I had …. 13. I’ve never met your friend. You didn’t know that, so you didn’t introduce me. If I had …. 14. It is raining now, so I will not go for a walk. If it ………………… 15. I am not living in Chile. I’m not working at a bank. If I ………………. 16. It was raining yesterday afternoon, so I did not go for a walk. If it …………….. 17. I am not at home now, so I can’t answer your phone. If I ……………. 18. I can’t sing well, so she can’t sing that song beautifully. If she …………….. 19. Ann didn’t pass the entrance examination, so she wasn’t admitted to the university. If Ann ……….. 20. I had a problem. You didn’t know that, so you didn’t offer to help. If I had known that ……………………. EXERCISE 6: Rewrite the following sentences in such a way that they don’t change the meaning. 1 I am poor; I can’t travel around the world.. If I were not poor, I could travel around the world. 2. I am not a film star, I don’t live in Hollywood. ..................................................................................................................................................................... 3. I feel so ill, I don’t go to work. ..................................................................................................................................................................... 4. I don’t have much time; I can’t learn all my favorite subjects. ..................................................................................................................................................................... 5. I am very tired. I can’t finish the work. ..................................................................................................................................................................... 6. I am not a millionaire, I can’t help all people. ..................................................................................................................................................................... 7. She isn’t Queen; she doesn’t live in a palace. ..................................................................................................................................................................... 8. He isn’t a Prince; he doesn’t have a white horse. ..................................................................................................................................................................... 9. I don’t have a million dollars; can’t buy a castle. ..................................................................................................................................................................... 10 I am not old enough; I can’t decide my own life. .................................................................................................................................................................... 11 The accident happened because the diver in front stopped so suddenly. .................................................................................................................................................................... 12 I didn’t wake you up because I didn’t know you wanted to get up early..

<span class='text_page_counter'>(5)</span> .................................................................................................................................................................... 13 I had a cold because I walked in the rain. .................................................................................................................................................................... 14 She didn’t buy the watch because she didn’t bring enough money with her. .................................................................................................................................................................... 15 They didn’t sell the house because their children wanted to keep it. .................................................................................................................................................................... 16 Mrs. White fell down because she was too weak. .................................................................................................................................................................... 17 He failed because he didn’t do the exams well. .................................................................................................................................................................... 18 She couldn’t come because she had to work overtime. .................................................................................................................................................................... 19 He couldn’t hear you well because you spoke so softly. .................................................................................................................................................................... 20 I couldn’t answer the phone because I was having a bath. .................................................................................................................................................................... 21 He doesn’t have the money and he cannot afford a new car. ..................................................................................................................................................................... Exercise 7: Rewrite the following sentences in such a way that they don’t change the meaning He doesn’t have the money and he cannot afford a new car. >> If I cannot go to the beach with you this weekend because I have a date with my old classmate. I never get very lonely because I have lots of good friends.>> If The match can be cancelled because it rains heavily.>>If Because Simon doesn’t live near his mother, he can’t visit her often. >> If I don’t have free time, so I can’t go to see him.>> If I am poor; I can’t travel around the world. >> If I am not a millionaire, I can’t help all people. >> if I am not old enough; I can’t decide my own life. >> If I am very tired so I can’t finish my work. >> If Exercise 8: sentence transformation She didn’t eat anything because she wasn’t hungry. >>If The accident happened because the drive in front stopped so suddenly. >>If I didn’t wake you up because I didn’t know you wanted to get up early. >> If She didn’t buy the watch because she didn’t bring enough money with him. >> If I had a cold because I walked in the rain. >> If They didn’t sell the house because their children wanted to keep it. >> If.

<span class='text_page_counter'>(6)</span> Mrs. White fell down because she was too weak. >> If He failed the exam because she didn’t do it well. >> If She couldn’t come because she had to work overtime. >> If I couldn’t answer the phone because I was having a bath. >> If Exercise 9: if not = unless If you don’t see that film, you’ll be sorry. >> unless If you don’t take morning exercises, you will be weak. You will get lost if you don’t take a map with you. They will kill him if he doesn’t tell them the truth. If we don’t protect the forests, the environments will bee soon destroyed. I will wait her if she calls me. I will choose that blue jacket if it isn’t too expensive. If it doesn’t rain, we will go for a walk. I will buy a bike if I don’t go on holiday. I will visit them if I have enough time..

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