4. I have not had a Chinese meal for 4 years. The last time I had a Chinese meal was 4 years ago

5. David went home before we arrived. When we arrived home, David was there before 

6. I have only recently started wearing glasses. I did not wear glasses before

7. Jack left the office before I arrived there. When I arrived to the office, Jack was out before

8. During my dinner, the phone rang. While the dinner, the phone rang

9. I have not been to the cinema for 2 months. I last be to the cinema was 2 months ago

10. This is my first visit to Japan. This is the first time I go to Japan

em lớp 8 

=>
4. The last time I had a Chinese meal was 4 years ago.
-> the last time + QKĐ : lần cuối
5. When we arrived, David had gone home.
-> when QKĐ, QKHT (hành động xảy ra trước một hành động khác trong quá khứ)
6. I did not use to wear glasses until recently.
-> until recently : cho tới gần đây
7. When I arrived the office, Jack had left.
-> when QKĐ, QKHT (hành động xảy ra trước một hành động khác trong quá khứ)
8. While I was having dinner, the phone rang.
-> while QKTD : trong khi
9. I last went to the cinema 2 months ago.
-> S last + V2/ed
10. This is the first time I have visited Japan.
-> this is the first time + HTHT : lần đầu tiên