1.It's over 3 months since Tom last had his hair cut.

2.It's 2 years since my father last was in Ha Noi.

3.It's year since I last enjoyed myself so much.

4.It's two years since I last ate this kind of food.

5.It's hours since Mary last rung.

6.It's 4 years since I last saw him.

7.I haven't gone to see him for over a year.

8.I haven't played football for more 10 years.

1-5: hình

6, It's 4 years since I last saw him

7, I haven't gone to see him for over a year

8, I haven't played football for more 10 years

-------------

Công thức:

S + last + Ved + time+ ago

=> S + have/ has +not+ for + time

=> The last time + S + V ed+ was + time + ago.

=> It’s + time+ since + S + last + Ved.