1.     Mr Pike began to use this dictionary ten years ago.  Mr Pike has................ 2.     My friends started doing this kind of work five months ago. My friends.................. 3.     I started writing this letter two hours ago. I have.............. 4.     They began living at 33225 Grand Avenue last September. They have................ 5.     My friend started to work at the grocery store in 2009. My friend.....................

Để làm bài tập này, ta sẽ sử dụng cấu trúc thì hiện tại hoàn thành trong câu trả lời. Thì hiện tại hoàn thành được sử dụng để chỉ một hành động bắt đầu ở quá khứ và vẫn tiếp tục cho đến hiện tại.

1.
- Mr Pike has been using this dictionary for ten years.
- Mr Pike has used this dictionary for ten years.

2.
- My friends have been doing this kind of work for five months.
- My friends have done this kind of work for five months.

3.
- I have been writing this letter for two hours.
- I have written this letter for two hours.

4.
- They have been living at 33225 Grand Avenue since last September.
- They have lived at 33225 Grand Avenue since last September.

5.
- My friend has been working at the grocery store since 2009.
- My friend has worked at the grocery store since 2009.

My friend has been working at the grocery store since 2009.

They have been living at 33225 Grand Avenue since last September.

I have been writing this letter for two hours.

My friends have been doing this kind of work for five months.