1
1. Mike has visited Paris several times.
2. my brother has tried an extreme sport.
3. my sister has recently entered this university.
2
1. I have known Kate since we were at school together.
2. I have already met this person.
3. Anna has eaten 5 apples today.
4. my friends have already seen this film.
3
1. have they bought a new car?
they haven't bought a new car.
2. have you drink three cups of tea today?
you haven't drunk three cups of tea today.
3. has Jane gone to England?
Jane hasn't gone to England.
