Bài 1: Chia dạng đúng của từ trong ngoặc
1. We (wait) for her for 30 minutes.
2. She (go) out since 5 a.m.
3. They (not eat) anything all the morning.
4. The street is full of water because it (rain) for 3 hours.
5. She looks very exhausted because she (work) all night.
6. I (read) this book since last night.
7. She (chat) with her friend all the day.
8. He (talk) on the phone for hours.
9. She (cycle) for 2 hours and she is very tired now.
10. We (not write) to each other for 6 months
Bài Làm:
1. have been waiting
2. has been going out
3. haven’t been eating
4. has been raining
5. has been working
6. have been reading
7. has been chatting
8. has been talking
9. has been cycling
10. haven’t been writing