I Put the verbs in the brackets into the correct tenses If I see him, I (give) him a gift If I had a typewriter, I (type) it myself If I had known that you were in hospital, I (visit) you You could make better progress if you (attend) _ class regularly If I (know) his telephone number, I’d give it to you If you (arrive) ten minutes earlier, you would have got a seat He could get a job easily if he (have) _ a degree I shouldn’t have believed it if I (not see) _ it with my own eyes If he (study) hard, he can pass the exam 10 If she had asked you, you (accept) ? 11 Rice plants (grow) _ well if there is enough rain 12 He might get fat if he (stop) _ smoking 13 What you (do) if you found a burglar in your house? 14 If she (not hurry) , she may be late 15 If I (try) again, I think that I would have succeeded 16 Water (not run) downhill if there were not gravity 17 If I tell you a secret, you (promise) not to tell it to anyone else? 18 Tell him to ring me if you (see) _ him 19 The police (arrest) _ him if they catch him 20 If you (speak) _ more slowly, he might have understood you II Use Unless instead of If If you are not careful You will cut yourself with that knife If you not like this one, I’ll bring you another I’ll not be able to any work if I not habe a quiet room If she does not hurry, she’ll be late If we had more rain, our crops would be better The crops would have been ruined if the flood had risen higher If you had not sneeze, he wouldn’t known that we were there If she did her hair differently, she would look quite nice If John had played for our football team, we would not have lost the game 10 If I won a big prize in a lottery, I’d give up my job III Make conditional sentences without conjunction If I were you, I’d accept the job If you had told me that he never paid his debts, I wouldn’t have let him money If he had known your telephone number, he would have rung you If it were nice, we would go for a walk I would come to her wedding if I were invited Would you visit me if I were sent to prison? Would you have written to her if you had known her address? What would you if today were a holiday? If they had asked me I would have helped them 10 Scientists think that men could live on the moon if there were air and water on it IV Complete the following sentences If I were the Prime Minister, I _ He could buy a new car if _ If I had more time, If he hadn’t been ill, They could have passed the exam if they We could have come with you if we _ If her parents had been richer, _ If he had come yesterday, _ If it hadn’t rained, 10 The world would be a better place if _ V Make conditional sentences according to the facts provided Keep silent or you’ll wake the baby up Because you don’t leave immediately, I call a policeman I don’t know her number, so I don’t ring her up Go right now or you’ll be late for the train As she is often absent from class, she can’t keep pace with her classmates I couldn’t write to Alice because I didn’t know her address I don’t know the answer, so I can’t tell you We got lost because we didn’t have a map His friends were so late, so they missed the train 10 Today isn’t Sunday, so the pupils can’t go swimming 11 The heavy rain kept everybody from going out 12 This chair is too heavy for him to move 13 He had a flu because he went out in the rain last night 14 The church bells keep me from sleeping 15 Morning exercises make me feel better 16 Stop talking or you won’t understand the lesson 17 The boy is so young that he can’t go to school 18 The fridge keeps the food from spoiling 19 Why don’t you study hard? 20 Why don’t you stop smoking? 21 Be careful, or you’ll cu yourself with that knife 22 Be calm, or you’ll make a wrong decision 23 Without the air, we would die 24 Without a visa, she couldn’t have come to that country 25 Without the sun, man would live in the darkness 26 Without money, he wouldn’t have bought such a big house 27 Smoking makes him so weak 28 It was very cold yesterday, so we couldn’t go swimming 29 It is very cold, so we can’t go swimming 30 I didn’t watch TV last nigh because I was busy