Cho dạng đúng của động từ:
1/ My grandma (use) to tell me the folktales.
2/ She (not like) playing soccer.
3/ Where you (be) going to visit summer? – I (visit) Hue
4/ They (work) in this company for ten years.
5/ My mother has to (clean) the floor everyday.
6/ He (not write) to his friend since Monday.
7/ Students must (go) to school on time.
8/ I (get) a letter from my old friend yesterday.
9/ Where he (use to) live before he moved here?