Ex1
2)doesn't eat 3)where do your cousins live 4)writes 5)do your parents work 6)what time do you get up 7)I don't go
Ex2
2)they are having 3)why are you laughing 4)is that girl talking 5)vicky isn't studying 6)he is writing
Ex3
2)I am making 3) I am going 4) do you need 5) jen doesn't like
Ex3(2)
1)I don't understand 2)Tim is waiting for 3)he is reading 4)he doesn't know