数形式时，一般情况是在单数名词后加"-s"，如：pen→pens, parent→parents；

（以此方法将图片上的grandfather, grandmother, grandparents, brother, sister引出）

3. Work on 1a

1) T: Now, please open your books and turn to page 7. Look at 1a. You can see a picture of Dave's family and some words we learned just now. Please match the words with the people in the picture.

2) Check the answers. 3) Ask some Ss to read aloud the words.

4. Drill

T: Now, you are Dave. Please cover the answers of 1a by using a piece of paper. And then listen to me carefully. I will give you a letter. You can look at the picture and tell me what this letter means. For example, I say "a". You should say "This is my mother." I say "b". You should say "These are my parents." Understand?

5. Work on 1b

（1） T: Next, I will play the recording. Please listen carefully, and circle the people the boy talks about in the picture.

（2）Play the recording for the first time. Ss only listen.

（3）Play the recording for the second time. Ss listen and circle the words they hear.

（4）T: Did you get the answers? Who does the boy talk about? S: ...

T: Well done. Who does the boy talk about? S: ...

（5）Play the recording again for the Ss to listen and repeat.

6. Presentation

Draw a boy and two boys on the board and present the sentences:

1) This is my friend. These are my friends. Who's he? He's my friend.

Who are they? They are my friends.

2) That is my brother. Those are my brothers.

Who's he? He's my brother. Who are they? They are my brothers.

7. Work on 1c （完成1c）

（1）T: Now, you are Dave. Please introduce your family to me. You can use "That's my ... Those are my ..."

（2）T: Who's she/he? S: He/She is my ...

（3）T: Now please open your books to page 57. Look at Note 1 in Unit 2. Let's learn the culture: 中外家庭亲属成员之间称谓的文化差异

8. Work on 2a & 2b (完成2a和2b)