2. Practice on PPT: complete the conversation.

　　· 单复数

　　3. Introduction: 单复数知识

　　4. Practice: 名词单数变复数;

　　5. Exercises: 句子改写

　　Step Five: Game time

　　Write your mother's, father's orfriend's name on the board. The other students guess who the person is.

　　Use the drill"Is Tomyour brother? Yes, he is. / no, heisn't."

课后习题

　　Finish1a ,2a and 2b in section B.

　　Readthe new words and the sentences and finish the exercises.