I. Supply the correct verb form in the present progressive or present perfect tense
The present progressive form: S+be(not)+V_ing
The present perfect tense form: S+ have/has (not) +V_ed/_(3)
Áp dụng công thức ta làm:
1. hasn't played
2. are attending
3. haven't had
4. haven't seen
5. is having
6. have you knew
7. have just realized
8. has finished/ has written
9. is composing
10. are having
11. isn't reading
12. are you doing
chúc bạn học tốt cho mình xin hay nhất nha
13. isn't listening
14. is sitting