----- Nội dung dịch tự động từ ảnh -----
*Dạng 2.
S+ started/began + V-ing + O+ thời gian + (ago) / when + S+V 2/ed + O
→S+ have/has +V3/ed + O+ for khoảng thời gian/since mốc thời gian
Vd: I started / began studying English 3 years ago.
→I have studied English for 3 years.
Nếu không có ago mà có when + S+ V thì giử nguyên mệnh đề chỉ đổi when thành since
BÀI TẬP
1. They started playing tennis an hour ago.
2. He started learning English 10 years ago.
3. I started doing my homework 10 minutes ago.
4. We began collecting stamps when I was 8 years old.
5.My mother began cooking at 6 pm.
6. We started reading the novel last Sunday.
7. It started raining 2 hours ago.
8. She began writing when she was 21 years old.
9. We started having dinner at 7 pm.
10. I began doing yoga two days ago.
11I started learning English in 2000.
12. My sister began to teach English 20 years ago.
→ My ...
13.It began raining half an hour ago.
→ It . .
14.They have built this hotel for a year.