1. (-) Nam didn't write this essay in the Literature class this morning.

(?) Did Nam write an essay in Literature class this morning?

2. (-) I didn't watch TV yesterday morning.

(?) Did you watch TV yesterday moring?

3. (-) Nam and you weren't in the English club last Tuesday.

(?) Were Nam and you in the English club last Tuesday?

4. (-)They didn't eat noodles two hours ago.

(?) Did they eat noodles two hours ago?

5.(-) We didn't always have a nice time on Christmas holiday in the past.

(?) Did we always have a nice time on Christmas holiday in the past?

6. (-) My father didn't decorate the Christmas tree.

(?) Did your father decorate the Christmas tree?

7. (-) She didn't buy a new dress yesterday.

(?) Did she buy a new dress yesterday?

8.(-)  They weren't late for school.

(?) Were they late for school?

9. (-) Mr.Tam didn't take his children to the museum last Sunday.

(?) Did Mr.Tam take his children to the museum last Sunday?

10. (-) Hoa didn't make a cushion for her armchair.

(?) Did Hoa make a cushion for her armchair?