Сделать, нужно. зарание большое. раскроите скобки и употребите глаголы в нужной форме: 1. the photographs would have been much better if it(to be) lighter in the room 2. he(to die) if the surgeon hadn't operated on him. 3. people to become) hardened to cold if they took cold baths regularly. 4. if ice(to be)a heavier than water, it wouldn't float. 5. if you(to stir) the tea, it would have been sweeter. 6. meeting yesterday, l should have seen you 7. we should have prevented the accident if we(to be) there at the time. 8. if you(to postpone) doing the job now, you would regret it later.

1. The photographs would have been much better if it (had been) lighter in the room.
2. He (would have died) if the surgeon hadn’t operated on him.
3. People (would become) hardened to cold if they took cold baths regularly.
4. If the hunter had been less cool and skillful, things (would have taken) a very dangerous turn.
5. If you (had stired) the tea, it would have been sweeter.
6. If ice (were) heavier than water, it wouldn’t float.
7. If you (postpone) doing the job now, you regret about it later.
8. If you had strained your ears, you (would have heard) a slight noise in the bushes.

1. I will accompany you with pleasure as soon as I finish my report. 2. The performance will be a great success if he plays the leading role. 3. If this time is convenient for you, we will meet tomorrow. 4. We will not complete the work this week in case he gets ill. 5. We will not start till he arrives. 6. Provided he leaves now, he will miss the rush hour. 7. We will not be able to carry out the experiment unless he helps us. 8. You may take my dictionary as long as you give it back on Friday. 9. As soon as he (returns) from the beach, we (will have) dinner. 10. I (will phone) you when she (comes). 11. Providing that he (works) hard, he will finish his work on Thursday. 12. She has two keys in her bag in case she (loses) one. 13. Unless he (comes), we (will not go) to the country. 14. He (will remind) you of your promise in case you (forget) it. 15. As soon as the lake (gets frozen), she (will go skating). 16. When you (turn) on the right, you (will see) an old oak. 17. If she (keeps) her promise, they (will be) rich. 18. Unless you (look) at the picture at some distance, you (will not see) the details. 19. Providing that nothing (happens), I (will return) in two weeks. 20. If the wind (blows) from the west, it (will rain / rains). 21. If you (get) there before me, wait till I (come). 22. Provided all (goes) well, I (will graduate) in June. 23. He (will not go) for a walk until he (does) his lessons. 24. He (will not catch) the train unless he (leaves) immediately. 25. We (will not wait) till he (makes up his mind).

1.When I met her , she was going to the office.
2.He was washing his face when somebody knocked at the door. 
3. The young people were dancing when I came to the party .
4. When he was washing the dishes , he broke a plate .
5. What was he doing when you saw them ?
6.She came home at eleven o'clock that's why she didn't call you.
7. When she saw him a year ago she didn't recognize him .
8.I was very busy yesterday . I was preparing for my exam the whole day. 
9. My brother was washing the dishes while I was sweeping the floor .
10. Why didn't you see the doctor yesterday ? 
11. It was raining heavily when he went out 

1 what
2 die
3 tryed
4 did achieve
5 stop
6 were walking
7 created 
8 finished