помогите пожалуйста

Напишите общие вопросы к предложениям:

1) They never go to the office on foot.

2) Nick has seen your sister only once.

3) My mother prefers detective stories.

4) We are watching TV now.

5) You made a lot of mistakes in that task.

6) Tom has talked to me on this matter before.

7) The child is sleeping.

8) Her sister left for Minsk 4 days ago.