2. use the correct form of the verbs in brackets. 1) what you (do) here? -i (to wait) for a friend. 2) let's go for a walk, it (not, to rain). 3) he (to have) a shower when the phone rang. 4) i (to wait) for you at five o'clock tomorrow. 5) she (to return) from the library at six o'clock. 6) what you (to do) at eight o'clock? - i (to work) on my report. 7) i don't know the man, who (to speak) to you for such a long time. 2. use the correct form of the verbs in brackets. 1 .we (to wait) for dr. brown at eight o'clock yesterday. 2. where is petrov? - he (to work) over the experiment. 3. when they opened the door, he (to look) somewhere with great surprise. 4. i'll be late for my work tomorrow as i (to work) over my report in the library. 5.the little boy (to eat) his ice-cream. how funny it is. 6.thеу (to play) chess with their friends in that room. 7.at this time tomorrow i (to fly) to london.

1) What are you (doing) here? -I (am waiting) for a friend.
2) Let's go for a walk, it (is not raining).
3) He (was having) a shower when the phone rang.
4) I (will be waiting) for you at five o'clock tomorrow.
5) She ( returned) from the library at six o'clock.
6) What were you ( doing) at eight o'clock? - I (was working) on my report.
7) I don't know the man, who (has been speaking) to you for such a long time.
1 .We (were waiting) for Dr. Brown at eight o'clock yesterday.
2. Where is Petrov? - He (is working) over the experiment.
3. When they opened the door, he (was looking) somewhere with great
surprise.
4. I'll be late for my work tomorrow as I (will be working) over my report in the
library.
5.The little boy (is eating) his ice-cream. How funny it is.
6.Thеу (are playing) chess with their friends in that room.
7.At this time tomorrow I (will be flying) to London.

I
1. No one is knocking at the door.
Is anyone knocking at the door?
2. Yesterday from 5 till 7 o'clock I wasn't revising the material for my English exam
Was I yesterday revising from 5 till 7 o'clock for my English exam?
3 the students aren't writing a test here.
Are the students writing a test here?
4. If it isn't raining we shall go out
Shall we go out if it is raining?
5. They won't be waiting for you...( дальше как в исходном предложении)
Will they be waiting for you...
II
1. What are you doing..?- I'm waiting...
2. ... It isn't raining.
3. He was having ...
4. I will be waiting..
5. She is returning...
6. What were you doing..? -I was working
7 Who was speaking.
III
1. What was I reading at five o'clock yesterday?
2. Where my friends and I were spending our holidays?
3. Where will you be sailing at this time tomorrow?
4. Who is discussing an important question?
5. What is ringing?
6. What was the engineer Petrov was doing at half past three yesterday?
7. What will be they solving at this time the day after tomorrow?
Остальное точно также делается;) по образцу