7. 1. Do we work at the translation? We don't work at the translation.
2. Do you make a lot of noise? You don't make a lot of noise.
3. Does he always go for a walk in the evening. He always doesn't go for a walk in the evening.
4. Have I got little time in the evening? In the morning I haven't little time.
5. Does her brother work in Canada? Her brother doesn't work in Canada.
6. Does she nothing to realize her dreams? She does nothing to realize her dreams.
7. Does David believe in God? David doesn't believe in God.
8. Does she always come to work in time? She always doesn't come to work in time.
9. Does the book belong to Ann? The book doesn't belong to Ann.
10. Does he prepare his lessons in the evening? He doesn't prepare his lessons in the evening.

8) 1. was
2. was
3. was
4. was, was
5. were
6. was
7. was
8. was, was
9. were, were
10. was, was.
9) bought, brought, saw, had, spoiled, went, got, passed, lived, bought.
10) is doing, is listening, is translating, are interviewing, is developing, is following, is giving, are speaking, are doing/are laughing, are waiting.