Ответ:

1)

1. was

2. didn't

3. can

4. wasn't

5. am

6. did

7. weren't

8. have

2)

1. Yes, I did.

2. Yes, she was.

3. Yes, I was.

4. No I'm not.

5. Yes, we can.

6. Yes, I do.

7. No I haven't

8. No we shouldn't

3)

1. Were

2. Was

3. I

4. He

5. Was

6. Can't

7. Were