1、This is Gina.Is this Gina?
Yes,he\she\it is.No,he\she\it isn't.
2.That is his beother.Is that his brother.
Yes,he is.No,he isn't.
3.He is my good friend.Is he your good friend?
Yes,he is.No,he isn't.
4.These are nice pictures.Are these nice pictures?
Yes,they are.No,they aren't.
5.Those are school things.Are those school things.
Yes,they are.No,they aren't.