STARTED + V-ING/ TO V = HAVE + BEEN + V-ING

Viết theo cấu trúc  STARTED + V-ING/ TO V = HAVE + BEEN + V-ING

S + STARTED/ BEGAN + V-ING/ TO V S + HAVE P2/ HAVE BEEN V-ING

 

Ví dụ:

I started doing homework two hours ago.

I have been doing homework for two hours.

Lưu ý:

Khi sử dụng với thì hoàn thành thì sử dụng với FOR và SINCE.

FOR + khoảng thời gian: for a week, for two hours. Bỏ AGO khi dùng FOR.

SINCE + mốc thời gian bắt đầu: since last week, since I was small. Bỏ WHEN khi dùng SINCE.

Bài tập:

1. They started playing tennis an hour ago.

       They have

2. He started learning English 10 years ago.

       He has

3. I started doing my homework 10 minutes ago.

 I have

4. We began collecting stamps when I was 8 years old.

       We have

5. My mother began cooking at 6 pm.

       My mother has

6. We started reading the novel last Sunday.

       We have

7. It started raining 2 hours ago.

       It has

8. She began writing when she was 21 years old.

       She has

9. We started having dinner at 7 pm.

       We have

10. I began doing yoga two days ago.

   I have