Where's the pencil-box? It's on the desk.

Where's the bag? It's on the chair.

3)Practice

A. Look at picture 1, where's the banana? S1: It's on the box.

Look at picture 2, where's the bird? S2: It's on the hat.

　Look at picture 3,where's the basketball? S3: It's on the head.

　B. Choose one picture you like, ask and answer in pairs.

　C. Act it out in line.

2.Teach"It's under the chair."

1) A.T: look, where's the dog? Ss: It's under the chair.

B. Teach under,under the chair,贴图板书： The football is under the chair.

C. Ask and answer in pairs. "where's the dog? It's under the chair."

D. Act it out.

2) Practice:

A. Look at picture 1, where's the cat? S1: It's under the desk.

Look at picture 2, where's the present? S2: It's under the box.

　Look at picture 3,where's the car? S3: It's under the tree.

　B. Choose one picture you like, ask and answer in pairs.

　C. Act it out in line.

3. on,under,in,box综合练习

1) Look at the screen, read and do the actions with me.