EXERCISE 1. Put the verbs in brackets into the correct tenses.
A. 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. She won’t open the door unless she (know) who it is. 10. Unless he (sell) more he won’t get much commission.
B.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 loose 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. I could get a job easily if I (have) a degree. 10. I (be) ruined if I bought her everything she asked for.
C.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 metres. 8. If he had asked you, you (accept)? 9. Rome (be captured) by its enemies if the geese hadn’t cackled. 10. He would have been arrested if he (try) to leave the country.
EXERCISE 2. Put the verbs in brackets into the correct tenses.
Yesterday the famous bank robber, Fingers Smith, robbed another bank in the centre of town. As usual, he only stole £10. If he (1) ___(leave) any clues, he (2) ___ (be) in prison now, but he’s much too clever. He disconnected the security cameras; if he (3) ___ (not do) that, the police (4) ___ (have) him on film now. The strange thing is, Fingers doesn’t seem to be interested in the money; if he (5) ___ (be), he (6) ___ (can/steal) thousands of pounds by now. The police are determined to catch him, and the Chief is confident that they will. He says that if he (7) ___(think) they weren’t going to arrest Fingers eventually, he (8) ___ (leave) the police force long ago.
EXERCISE 3. Put the verbs in brackets into the correct tenses.
A: What time will you be home tonight?
B: I'm not sure. If ...have to... (have to) work late, I’ll . .call... (call) you.
A: I felt very tired at work today.
B: Well, if you ….. (not/watch) the late film, you ... .(not/feel) so tired.
A: Should I buy that car?
B: Why not? If I …..(have) the money, I….. (buy) it myself.
A: If you….. (pass) a chemist's, ….. (you/get) me some cough medicine?
B: Yes, certainly.
A: My sister seems very upset at the moment.
B: Were I you, I …..(talk) to her about it.
A: Unless you ….. (hurry), you ….. (be) late again.
B: No, I won't. There's plenty of time.
A: Oh! I forgot to ask Sarah over for dinner.
B: If I (speak) to her today, I …..(ask) her for you.
A: May I join the club, please?
B: Provided you ….. (be) over eighteen, you can join the club.
A: What a lovely restaurant! I'm glad we came here.
B: If you ….. (not/burn) the dinner, we ….. (not/come) here!
A: Just think. If I ….. (not/move) to York, I ….. (never/meet) you.
B: I know, wasn't it lucky?
A: Jo doesn't spend enough time with me.
B: Well, if she ….. (have) the time, I'm sure she ….. (try), but she's very busy.
A: Did you give Bill the message?
B: No, but when I ….. (see) him, I ….. (tell) him the news.