1
1. When we were reading a book, our relatives were discussing an important question yesterday.
2. What were you doing yesterday at 8 o’clock? – I was translating an article.
3. Usually he drives a car to work.
4. They have read already this book.
5. Yesterday by 9 p.m. we were coming home.
6. Our boys were playing chess yesterday at 6 p.m.
7. The museum opens at 9 a.m. every day.
8. They did shopping yesterday.
9. I'm writing an exercise at the moment.
10. I'll have fixed my car tomorrow by the evening.
11. Our relatives are coming tomorrow.
12. Next week this moment we'll be flying to Paris.

--------------------------------------------------------------------
2
1. They will invite their friends to the party.
Will they invite their friends to the party?
They won't invite their friends to the party.

2. Sally has already known him for a long time.
Has Sally already known him for a long time.
Sally hasn't known him for a long time yet.

3. Bob drives to the country every week.
Does Bob drive to the country every week.
Bob doesn't drive to the country every week.
-------------------------------------------------------------------------
3
1. If I come in time, I'll phone you.
2. If you had read this information, you wouldn't have done it wrong.
3. Bob would have bought a car, if he had had enough money.
4. When my team win competitions, we'll celebrate the victory.
5. If I were a rich person, I wouldn't spend my time and money for nothing.

1. were reading
2. were you doing
3. drives
4. have read
5. were coming
6. were playing
7. opens
8. did
9.writing
10.have fixed
11.are coming
12.we'll be flying