2.
1)is learning
3)need
4)are you thinking
5)aren't playing
6)don't understand
7)can you hear?
3.
1)I don't understand this exercise
2)My friends think football is boring
3)What are you doing now?
4)We don't want to watch the film
5)That dog is belong to my cousin
6)My grandma feel better today
7)I don't like this book very much