Question

Use the right form of the verb (First Conditional): 1. If you (to put) salt on ice, it will melt. 2. If he ( to leave) now, he will miss the rush hour. 3. Provided that she (to service) the car, we’ll be able to drive to the country. 4. Unless he (to do) his homework, he’ll stay at home. 5. They will let us know if they ( to see) him. 6. They all (to be surprised) if I make such a mistake. 7. If he doesn’t come in time, we (to wait) for him? 8. If I (not to be busy), I shall go to the concert. 9. If no one (to come) to help, we shall be obliged to do the work ourselves. 10. If you (to put) on your glasses, you will see better. 11. What shall we do if they (to be late)? 12. Will he be very displeased if I (not to ring) him up? 13. If you (to give) me your address, I shall write you a letter. 14. If my sister doesn’t go to the south, we ( to spend) the summer together. 15. If it (to rain), we shall have to stay at home.

Answer 1

Ответ:

1 you put

2 he leaves

3 she services

4 he does

5 they see

6 they all will be surprised

7 will we wait for him

8 if i am not busy

9 if no one comes to help

10 you put on

11 they are late

12  I don't ring him up

13 if you give me

14 we will spend

15 if it rains

Объяснение:

Answer 2

Here are the sentences with the correct forms of the verbs in the first conditional:

1. If you put salt on ice, it will melt.
2. If he leaves now, he will miss the rush hour.
3. Provided that she services the car, we’ll be able to drive to the country.
4. Unless he does his homework, he’ll stay at home.
5. They will let us know if they see him.
6. They all will be surprised if I make such a mistake.
7. If he doesn’t come in time, will we wait for him?
8. If I am not busy, I shall go to the concert.
9. If no one comes to help, we shall be obliged to do the work ourselves.
10. If you put on your glasses, you will see better.
11. What shall we do if they are late?
12. Will he be very displeased if I don't ring him up?
13. If you give me your address, I shall write you a letter.
14. If my sister doesn’t go to the south, we will spend the summer together.
15. If it rains, we shall have to stay at home.