Viết câu phủ định và nghi vấn: My father decorated the Christmas tree. She bought a new dress yesterday

Viết câu phủ định và nghi vấn:
1.My father decorated the Christmas tree.
2.She bought a new dress yesterday.
3.they was late for school.
4.Mr.Tam took his children to the museum last Sunday.
5.Hoa made a cushion for her aimchair.
6.They painted their house yellow.
7.This dress was fit.
8.I saw her two day ago.