her friend is in china.变为否定句和一般疑问句，并作肯定否定回答

Question

this is a blue jacket.
that is my bike.
my first name is tom.
i'm jack. i'm a stuclent.

Answer 1

1、否定：Her friend is not in China
一般疑问：Is her friend in China？
回答：Yes，she is/No,she isn't
2、否定：This is not a blue jacket
一般疑问：Is this a blue jacket？
回答：Yes，it is/No,it isn't
3、否定：That is not my bike
一般疑问：Is that your bag？
回答：Yes，it is/No，it isn't
4、My first name is not Tom
Is your first name Tom？
Yes，it is/No,it isn't
5、I'm not Jack.I'm not a student
Are you Jack?Are you a student?
Yes,I am/No,I'm not