1. We haven't seen her since Christmas day.
2. This is the first time I have eaten this kind of food.
3. It has rained for an hour.
4. The last time we visited my grandfather was two months ago.
5. I began studying English three years ago.
6. It nearly five years since my brother last saw his best friend.
7. How long have you learnt English?
8. We have lived here for fifteen years.
9. She hasn't visited me for five years.
10. I haven't written to my uncle since July.
11. He hasn't gone abroad before.
12. She has driven for 1 month.
13. We have eaten since it started to rain.
14. I haven't cut my hair since I left her
