第一部分内容：Make a dialogue
Is this your book?
Is this yours?
Yes, it’s mine.
It’s my book.
Is that your bag?
Is that yours?
No, it’s not mine.
It’s your bag.
... ... ...
《Tidy up》PPT，第二部分内容：Read a chant
My crayon. Your crayon. These are our crayons.
His crayon. Her crayon. Those are their crayons.
This is mine. That is yours. These are ours.
This is his. That is hers. Those are theirs.
These are our crayons. They are ours.
Those are their crayons. They are theirs.
《Tidy up》PPT课件 第一部分内容：新课导入 Are they yours? 它们是你的 吗？ No,they are't. 不，它们不是。 your是形容词性物主代词，后面必须跟名词。 yours是名词性物主代词，后..