1、This isn't an umbrella.
Is this an umbrella?
Yes,it is.
No,it isn't.
2、My hair isn't blond.
Is your hair blond
Yes,it is.
No,it isnt'.
3、They aren't boys
Are they boys
Yes,they are.
No,they aren't.
4、We aren't good friends.
Are you good friends
Yes ,we are .
No,we aren't.
5、I don't feel happy.
Do you feel happy
Yes,I do.
No,I don't .
6、We don't have rice for lunch in the afternoon.
Do you have rice for lunch in the afternoon?
Yes,we do.
No,we don't.
7、You don't do your homework in the evening.
Do you do your homework in the evening / Do we do we homework in the evening
Yes,we do ./ Yes,you do.
No,we don't./ No,you don't .