Unit4 where is my backpack?

Step1 lead –in     (5‘)T:Good morning,class.

S: Good morning,teacher.

T:Sit down,please.

Now in this class we're going to learn unit 4 ,Where's my backpack?

板书  -Write the title on the blackboard.

Unit4 Where's my backpack?

T:Before we learn.

Let's sing a song.

Ok,listen and answer my question.

Now I'm in the classroom.Where are you?

S:We are in the classroom,too.

T:OK,you are right.

T:What's this?

S:It's a pen.

T:Is this my pen?

S;No ,it isn't.

T:Where is my pen?

S:It's in the box.

T:What are these?

S:They are pens.

T:Are these your pens?

S:No ,they aren't.