Сделать предложение отрицательными и вопросительными

2) (-) They don't have to wear warm clothes in winter.

(?) Do they have to wear warm clothes in winter?

3) (-) She doesn't have to buy a new coat.

(?) Does she have to buy a new coat?

4) (-) You don't have to learn these rules.

(?) Do you have to learn these rules?

5) (-) We don't have to write this text.

(?) Do we have to write this text?

6) (-) They don't have to come here again.

(?) Do they have to come here again?

7) (-) You don't have to wair for an hour.

(?) Do you have to wait for an hour?