S1:Is that your schoolbag?

S2: No, it isn't. It's his.

一、 Revision

1、 复习单词

Pencil book schoolbag eraser watch pencil box

2、 Chant

二、 New words

1、 Chair table bed sofa bookcase

Read the words one by one

3、Game: What's missing? 最后schoolbag消失，引出课题where's the schoolbag?

五、新句型

1、先学习介词in on under

图片展示，in It's in the box on it's on the box. Under, it's under the box.

2、Game:

I say you do on the desk under the desk in the desk

I do you say

3、Practice in pairs

A: Where's the ....? It's in / on /under .... (两人一组问答)

B: Where're the ...? They are ...（出来一名同学，从其他组点