Помогите сделать эти 2 номера! Я прост очень тупая... Заранее спасибо)

2. No, she isn`t. - No, she doesn`t. - She`s playing the piano.
3. Yes, he does. - Yes. he is. - He is cleaning the window.
4. Yes. they are. - Yes. they do. - They`re teaching.

2. don`t
3. are
4. does
5. is, don`t
6. do
7. does
8. doesn`t