Teaching demands：
Words: handkerchief, pen, pajamas, slippers, underwear, towel, money, swimsuit, corn, blackboard.
Useful expressions: Is this money yours? No, it's not.
Is this hers? Yes, it is.
Yes, they are. Are these Mom's keys? No, they're not.
I don't know.
Teaching key and difficult points:
1. How to use the words :yours, hers。
2. Sounds and words
Teaching tools ：pictures, objects, slides, tape recorder.
Teaching Process
The first period
(P44.Vocabulary-Target)
Step1： Revision
（The teacher holds some objects , ask and answer ）
T: Whose book is this?
S1: It's my book.
T: Whose ruler is this?
S2: It's mine.
T: Whose keys are these?
S3: They are hers.
(elicit some words) my, mine, your, yours, his, her, hers, our, ours, their, theirs.
（Let Ss to recognize ）my book pencil yours her ruler
Step2 Presentation
1.（The teacher brings a bag and put some thing in it ）
T: Whose book is this? Is this your book?
S1: Yes, it is.
T: Is this ruler yours?
S2: No, it's not.
T: Is this ruler yours?
S: Yes, it is.
(The teacher holds an eraser ask S4)