Ex.1 Zero, first and second conditionals
Complete each sentence with the correct tense of the verb in brackets.
1 I(enjoy) shopping if I could buy anything I wanted.
2 You wouldn’t catch cold all the time if you (wear) warmer clothes.
3 We’ll never finish getting the room ready unless everyone (help).
4 You will lose your friends if you (not make) more effort to see them.
5 If we (want) to improve our quality of life, we will have to use our cars less.
6 Don’t miss any lessons unless you (be) ill.
7 If I (have) more spare time, I would spend it at the cinema.
8 Please contact me if you (need) to ask any questions.
9 If I were free, I (come) to the concert.
10 If you follow the river, you (see) the college on the right.

 1.should

2. must

3. shall

4. should/ ought to

5. could/ will

6. have to

7. need not

8. was not able

9. must

10. don’t have to

Объяснение:

1. If you prefer a relaxing holiday you _SHOULD__ choose a resort.

2. All the tourists around _MUST__ get a visa.

3. It’s very stuffy in the room,_SHALL__I open the window?

4. You__SHOULD/OUGHT TO_ make a little less noise.

5._COULD/WILL__ you help me?

6. All the students_HAVE TO__ wear school uniform at school.

7. You_NEED NOT__ take a heavy luggage on board the plane.

8. Sorry, I__WAS_ not_ABLE__ to visit the museum last night, I was very busy.

9. They_MUST__ be at home at this time. They usually come at 19:00.

10. You_DON'T HAVE __ to wait at the airport walking round your city.

1. It WAS very cold yesterday.

2. When DID you MEET him?

3. I HAVEN'T SEEN him since 2007.

4. How many mushrooms HAVE you GATHERED?

5. Where HAVE you PUT the newspaper? I want to read it, but cannot find it anywhere.

6. The new school BEGAN working last year.

7. At last I HAVE DONE all my homework: now I shall go out.

8. The building of the house BEGAN early in April.

9. The rain HAS STOPPED but a cold wind is still blowing.

10. We HAVE already SOLVED the problem.

11. He CAME a moment ago.

12. I HAVE never SPOKEN to him.

13. He HAS just FINISHED his work.

14. HAVE You MADE any spelling mistakes in your dictation?

15. What books DID you READ when you LIVED in the country?

16. They HAVEN'T COME from the south YET.

17. He WAS ill last week, but now he HAS RECOVERED

18. If everybody HAS READ this new novel, let's discuss it.

19. HAVE You BOOKED tickets? — Yes, I HAVE.. I BOOKED them several days ago.