Viết câu phủ định và nghi vấn:
1.My father decorated the Christmas tree.
(-): My father didn't decorate the Christmas tree.
(?): Did your father decorate the Christmas tree?
2.She bought a new dress yesterday.
(-): She didn't buy a new dress yesterday.
(?): Did she buy a new dress yesterday?
3.they was late for school.
* Sửa lại câu: They were late for school.
(-): they weren't late for school.
(?): Were they late for school?
4.Mr.Tam took his children to the museum last Sunday.
(-): Mr.Tam didn't take his children to the museum last Sunday.
(?): Didn't Mr.Tam take his children to the museum last Sunday,?
5.Hoa made a cushion for her aimchair.
(-): Hoa didn't make a cushion for her armchair.
(?): Did Họa make a cushion for her armchair?

Viết câu phủ định
1.My father decorated the Christmas tree.
-> My father didn't decorate the Christmas tree
2.She bought a new dress yesterday.
-> She didn't buy a new dress yesterday.
3.they was late for school.
-> They wasn't late for scholl
4.Mr.Tam took his children to the museum last Sunday.
-> Mr. Tam didn't take his children to the museum last Sunday
5.Hoa made a cushion for her aimchair.
-> Hoa didn't make a cusion for her aimchair
6.They painted their house yellow.
-> They didn't paint their house yellow
7.This dress was fit.
-> This dress wasn't fit
8.I saw her two day ago.
-> I didn't see her 2 day ago

6 :They painted their house yellow.
-> They didn't paint their house yellow
(?): Did they paint their house yellow?
7.This dress was fit.
-> This dress wasn't fit.
(?): Was this dress fit?
8.I saw her two days ago.
-> I didn't see her 2 days ago
(?): Did you see her 2 days ago