Ex1. - has been
- has not had
- has not played
nói chung là thì hiện tại hoàn thành hết ạ
Ex2.
1.She hasn't come back home for 4 years.
2. He has worked as a bank clerk for 3 months.
4. I haven't had my had my hair cut since November
5.We haven't called each other for 5 months
6. We haven't metr each other for a long time
7.How long have you had it?
8. I have never had such a delicious meal
9. The last time i saw him was 8 days ago
10.It is three days since I last took a bath
Ex 3.
1. cutted -> cut
2.working-> worked
3.haven't-> hasn't
4. eat-> eaten
5.hasn't -> haven't
6. o
7. since-> for
8. since-> for
9.for-> since
10. hasn't-> haven't
