Помогите пожалуйста! Срочно!

B) Сделайте предложения отрицательными.
1.We were in the room.
2. He was doing his homework at three o’clock yesterday.
3. Mr. Smith said that he had been working in his garden all the morning yesterday.
4. Ben said that he had been to Paris.
5. Bill had a new car three years ago.

C) Употребите правильную форму глагола.
1. Last week we (be) in the Zoo.
2. He (give) me his pen because I (break) mine.
3. I (meet) my friend when I (go) home.
4. Gagarin (be) the first man in space.
5. They (play) games for several hours before their mother (call) them to tea