Ex3
2 I wanted to go to the cinema, but Paula wasn't interested in going.
3 Sue isn't very good at getting up in the morning.
4 Let's go! I'm fed up of waiting
5 I'm sorry for waking you up in the middle of the night.
Ex 4
2 Sue walked without speaking.
3 Don't do anything without asking me.
4 I went out without locking the door.
Ex5
2 I'm afraid of being depressed.
3 I'm not good at maths.
4 I'm not interested in botany.
5 I'm fed up of watching horror films.