2. This is the first time I have seen that boy.
3. This is the first time I have tasted yummy.
4. this is the fisrt time he has on an airplane.
5. This is the fisrt time my father has driven a car.
6. It is the fisrt time I've met such a famous actor.
7. It is the first time she has learnt playing violin.
P/s: Nhớ chấm điểm cho mik nha

2. This is the first time i have seen that boy
3. This is the first time i have tasted yummy 
4.this is the first time he has been on an airplane
5.this is the first time my father has driven a car
6.this is the first time i have met such famous actor
7.this is the first time she has learnt playing violin