This is my book 否定句 一般疑问句 肯定回答 否定回答句型转化

否定句：This isn't my book.
一般疑问句：Is this your book?
肯定回答：Yes, it is.
否定回答：No, it isn't.

This is my backpack 一般疑问句 否定回答
Is this your backpack？
No, it isn't.

Is this your eraser 肯定句
This is my eraser.

This is your pencil 一般疑问句 肯定回答
Is this my pencil?
Yes, it is.

Is this your ruler 肯定句
This is my ruler.

This isnt her dictionary肯定句
This is her dictionary.

祝你学习进步，更上一层楼！(*^__^*)
有不会的可以再问我:）

This isn't my book. ( 否定句 is not = isn't )
一般疑问句 ： Is this your book?
肯定回答； Yes, it is.
否定回答： No, it isn't.

有问题尽管问我哟！i祝你学习进步，更上一层楼，快乐每一天！ (*^__^*)

this is not my book. be 后加not构成否定
is this your book? be提前构成一般疑问句
yes, it is. No, it isn't.

This is not my book.
Is this your book?
Yes, it's my book.
No, it's not my book.