初一英语同义，否定回答，单数变复数，个两句，要有答案！急急急

..bu dong

说清楚例题给我看看

听不懂诶
把问题说清楚点

I'm Jenny.
My name is Jenny.

The photo of my family.
This is my family photo.

Yes,it is.
Yes,Ido.

No,it isn't.
NO,I don't.

This is an English book.
These are some English books.

This is a backpack.
These are backpacks.

Is this you book?
No,it isn't.

Are these your brothers?
No,they aren't.

It's a cat.
They are cats.

He is my brother.
They are my brothers.

你是不是想要这个？

否定有动词就用助动词DO.DOES.DID,主语是单数用DOES，复数用DO，过去时用DID，如果是BE动词就直接加NOT,单变复一般加S，辅音加Y结尾的要变Y为I加ES