Перепишите предложения, раскрыв скобки и употребив глагол в придаточных предложениях времени и условия в соответствующей форме. 1. you shouldn't wait. you should reply as soon as you (receive) the invitation. 2. don't drive at more than 50 k.p.h. till your car (do) 4, 000 kilometers. 3. i’ll go to the doctor’s if i (not/fell) better. 4. i’ll buy that camera if it (not/cost) too much.

1. You shouldn't wait. You should reply as soon as you receive the invitation.
2. Don't drive at more than 50 k.p.h. till your car does 4,000 kilometers.
3. I’ll go to the doctor’s if I don't feel better.
4. I’ll buy that camera if it  doesn't cost too much.

1)All progressive people( fight) for peace.
2)When was the radio( invented)?
3)When was ,,War and Peace,, (written) by Tolstoy?
4)Chemically pure water is never ( met) with in everyday life.
5)Much attention(is paid) to the living condiyion of people in our country.
1)My sister(was invited) to the birthday party by her friend yesterday.
2)More and more houses(are build) in our country from year to year.
3)We( open) the window after every lesson.
4)We(will finish)our experiment in a week.
5)Young trees(were plant)in the street last autumn.
6)I( answered)my brothers letter last week.

1. a) David isn't copying out the text now.

  b) Is David copying out the text now?

2. a) I am not wearing my new beautiful dress now.

    b) Am I wearing my new beautiful dress now?

3. a) Granny isn't making a cake now.

   b) Is granny making a cake now?

4. a) The sun isn't shining now.

   b) Is the sun shining now?

5. a) It isn't getting cold now.

    b) Is it getting cold now?

6. a) We aren't doing shopping now.

   b) Are we doing shopping now?

7. a) My cat isn't playing with a ball on the carpet now.

   b) Is my cat playing with a ball on the carpet now?

8. a) The children aren't putting their toys into the box now.

    b) Are children putting their toys into the box now?

9. a) It isn't raining now.

    b) Is it raining now?

Объяснение:

При вопросе вс глагол идёт в начало, перед местоимением.

При отрицательном значении предложения в Present Continuous добавляется not к вс глаголу.