Ex4
2 are going to meet
3 is going to chess club.
4 she is going to do homework all evening.
5 doesn't have any plans.
Ex5
a When are they meeting Jane this afternoon?
b They aren't meeting at six o'clock.
c They are meeting at five o'clock.
Ex6
1 am going shopping.
2 aren't going on holidays.
3 are going to sleep.
4 am not visiting my grandparents.
Gotowe :^)