4. I haven't cut my hair since November.
5. We haven't called each other for 5 months.
6. We haven't met for a long time.
7. How long have you had it?
8. I have never had such a delicious meal before.
9. The last time I saw him was 8 days ago.
10. It is 3 days since I last took a bath.
Ex6:
1. cutted -> cut
2. working -> worked
3. haven't -> hasn't
4. eat -> eaten
5. hasn't -> haven't
6. câu này đúng
7. since -> for
8. since -> for
9. for -> since
10. hasn't -> haven't
Ex7:
1. hasn't played
2. are attending
3. haven't had
4. haven't seen
5. is having
6. is happening
7. have - realized
8. has finished
9. is composing
10. are having
Ex8:
1. She has lived in Ha Noi for 2 years.
2. He has studied English since he was young.
3. This is the first time I have ever eaten this kind of food.
