1,The last time we were to a concert was over a year ago.

2,It's two years since wa last saw our grandfather.

3,It's the most romantic story that I have ever read 

4,My father hasn't seen his brother for nearly 20 years.

5, It has been over two years since he last was back to his village.

6,The boys felt  interested in the journey to the village

7,we haven't gone to cinema for 2 years ago.

8, We haven't seen him since  monday

9.I have seen David since 1989

1. The last time we were to a concert was over a year ago./The last time we went to a concert was over a year ago.

2.  It's two years since was last saw our grandfather.

3. This is the most romantic story I have ever read.

4. My father hasn't seen his brother for nearly 20 years.

5.  It is 20 years when he last came back to his home village.

6. The boys felt interested in the journey to the village. (không sử dụng we vì trong  câu không có we)

7. We haven't gone to cinema for 2 years ago.

8. We haven't seen him since  monday.

9. I have seen David since 1989.