5. Taylor must be exhausted. She ……….. all the afternoon.

A. is gardening

B. have gardened

C. has been gardening

D. had been gardening

Câu này ta chia HTHTTD vì có all the afternoon sự việc đã sảy ra trong qk và hiện tại vẫn tiếp diễn

6. In a week's time he ……………… here for exactly ten years.

A. have worked

B. will have worked

C. had worked

D. will have been worked

for exactly ten years: trong đúng mười năm. dùng thì TLHT

7. Does Peter own that car?"- "No, I think his brother ……………… it now.”

A. has owned

B. is owing

C. owns

D. can own

8. When he arrived at the restaurant, the others ……………….

A. were leaving

B. had left

C. have left

D. are leaving

Công thức: When + simple past, past perfect : Hành động xảy ra trước một hành động trong quá khứ

9. When I came to her house yesterday, she ……………….

A. slept

B. is sleeping

C. was still sleeping

D. sleeps

-> Hành động đang diễn ra ở qk thì hành động khác xen vào

10. The old lady ………. very active since she ………... into the nursing home.

A. has been – moved

B. was – moves

C. was - has moved

D. is - moves

-> Trước since chia HTHT sau since chia QKĐ