Viết lại câu sử dụng:S+started/began 1.I have started learning English in 2000. I ___________ 2.My sister began to teach English 20 years ago. My __________ 3.It began raining half an hour ago. It _______ 4.They have built this hotel for a year. They _______ 5.He has had his breakfast since 7 oclock. He __________ 6.Mr.Ba has talked to our teacher for an hour. Mr.Ba _________

$\text{Đáp án:}$
1. (Sửa đề) I started learning English in 2000
⇒ I have learnt English since 2000
2. My sister has taught English for 20 years
3. It has rained for half an hour ago
4. They started building this hotel a year ago
5. He began having his breakfast at 7 o' clock
6. Mr Ba began talking to our teacher an hour ago
$\text{Giải thích:}$
Cấu trúc viết lại câu giữa thì hiện tại hoàn thành và thì quá khứ đơn với "begin"/"start":
$\text{S + began/started + to-V/V-ing + ... ago/in ...}$
$\text{S + have/has + past participle + for .../since ...}$