1. Nam didn't write an essay in Literature class this morning.
    Did Nam write an essay in Literature class this morning?
2. I didn't watch TV yesterday morning.
    Did I watch TV yesterday morning?
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 you 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