This is an orange做肯定、否定句

问题描述:

This is an orange做肯定、否定句
Those are my english books
she is a teacher
I have a good friend
You have a small nose一起做肯定、否定句

否定句:
This isn't an orange.
Those aren't my english books
she isn't a teacher
I don't have a good friend
You don't have a small nose
一般疑问句:
Is this an orange?
Are those my english books?
Is she a teacher?
Do you have a good friend?
Do I have a small nose?