Exercise 4. use the correct form of the verbs in the brackets
1.Peter ( not go ) to school yesterday. I just (see) him at the school-gate.
2.Be careful ! The teacher (look) at you.
3.They (leave) for Nha Trang next month.
4.You ever (see) that pop star ?
5.You must tell me what you (do) since I last saw you.
6.I think he knows the way because he (come) there several times.
7.When a boy, my grandfather often (go) to work on foot.
8.Yesterday when I (see) her, she (sit) in the hall.
9.Mary (make) all her clothes. At the moment she (make) a dress for her sister.
10.We just (come) back from London and we (come) to see you in a few minutes.
11.Where you (be) since yesterday?
12.She (study) French when she was at school.
13.Nam isn’t here. He just (go) out for a walk.
14.At present, Mr. Pike (write) another book.
15.Pupils must (learn) their lessons before (come) to class.