1. Ngoc last ate fish five months ago. => Ngoc hasn’t _______________________________________________ 2. Long last wore jeans in 2004. => Long hasn’t _______________________________________________ 3. I started writing this book two weeks ago. => I have ____________________________________________________ 4. We started learning to ride 10 years ago. => We have __________________________________________________ 5. Minh began to collect stamps in 2000. => Minh has __________________________________________________ 6. She started to give up smoking last year. => She has ___________________________________________________ 7. They started learning English ten years ago. => They have _________________________________________________ 8. Tom and Mary started working in that factory in 1990. => Tom and Mary have ________________________________________

Đỗ Bảo Dung

Phương pháp làm bài:

- Đầu tiên, ta phải nhận biết được thì hiện tại hoàn thành (Present Perfect) trong tiếng Anh có cấu trúc "have/has + V3-ed"; nghĩa là thì này dùng để diễn tả hành động đã xảy ra trong quá khứ và có liên kết đến hiện tại.
- Sau đó, ta áp dụng cấu trúc trên vào câu hỏi đã cho để biểu đạt rằng hành động đó đã xảy ra và vẫn còn liên kết đến hiện tại.

Câu trả lời:

1. Ngoc hasn't eaten fish for five months.
Ngoc hasn't had fish since five months ago.
Ngoc hasn't had fish since last five months.

2. Long hasn't worn jeans since 2004.

3. I have been writing this book for two weeks.
I have started writing this book since two weeks ago.

4. We have been learning to ride for 10 years.
We have started learning to ride since 10 years ago.

5. Minh has been collecting stamps since 2000.

6. She has given up smoking since last year.

7. They have been learning English for ten years.
They have started learning English since ten years ago.

8. Tom and Mary have been working in that factory since 1990.
Tom and Mary have started working in that factory since 1990.