1. Section A 1a-2d Unit 3 It must belong to Carla. 必须 准是；一定

3. PersonThing Reasons Jane’s little brother volleyball J.K. Rowling is her favorite writer. Marytoy truckShe loves volleyball. Carlamagazine He was the only little kid at the picnic. Deng Wen book She always listens to pop music. GraceCDHe loves rabbits. Listen and match. 1b

4. A: Whose book is this? B: It must be Mary’s. J.K. Rowling is her favorite writer. Practice the conversation in the picture above. Then make conversations using the information in the chart in 1b. 1c It must be Mary’s.=It must belong to Mary.

5. 2a Bob and Anna found a backpack at the park. Listen and write down the things in the schoolbag. Things in the backpack 1. ____________________ 2. ____________________ 3. ____________________ T-shirt Hair band Tennis balls

6. 1. The person _____ go to our school. 2. The person _____ be a boy. 3. It _____ be Mei’s hair band. 4. The hair band ______ belong to Linda. 5. It _____ be Linda’s backpack. must can’t could might must 2b Listen again and fill in the blanks.

7. Use “must” to show that you think something is probably true. Use “might” or “could” to show that you think something is possibly true. Use “can’t ” to show that you are almost sure something is not true.

8. 2c Make conversations using the information in 2a and2b.(Role play) A: Look! There’s schoolbag here. B: What’s inside? A: There’s a T-shirt,…

9. Role-play the conversation. 2d Linda: Mom, I’m really worried. Mom: Why? What’s wrong? Linda: I can’t fi nd my schoolbag. Mom: Well, where did you last put it? Linda: I can’t remember! I attended a concert yesterday so it might still be in the music hall. Mom: Do you have anything valuable in your schoolbag?

10. Linda: No, just my books, my pink hair band and some tennis balls. Mom: So it can’t be stolen. Linda: Oh, wait! I went to a picnic after the concert. I remember I had my schoolbag with me at the picnic. Mom: So could it still be at the park? Linda: Yes. I left early, before the rest of my friends. I think somebody must have picked it up. I’ll call them now to check if anybody has it.

11. 当堂训练

12. 短语翻译： 1 ）属于 ________ 2). 最喜欢的作家 ____________ 3) 准是；一定 ______ 4). 着急；焦虑 __________ 5). 参加音乐会 _______ 6). 值钱的东西 ___________ 7). 粉色的发带 _________ 8). 去野餐 ____________ 9). 剩余的 ……_______ 10). 捡起；拾起 __________ belong to favorite writer must bebe worried attend a concert something valuable pink hair bandgo to a picnic the rest ofpick up

13. 2. 用 must ， might 或 can’t 填空 1) It ______ be Ann’s bag. Her ID card is in it. 2) She ______be in Shanghai now. She is having a meeting in Beijing. 3) That hair band ______ be Tina’s or Lucy’s. They both like wearing them. 4) The man over there ______ be Mr Li. Mr Li is much taller. 3. 根据汉语意思完成句子。 1 ）它一定是属于迈克的。 It _______ _______ ________ Mike. It __________ ________ Mike’s. 2) 你的书包里有值钱的东西吗？ Do you have _________ _________ in your schoolbag? 3 ）我现在要给他们打电话核实一下是否有人拿到了它。 I’ll______ _______ now to check _____ anybody has it. must can’t might can’t must belong to mustbe anythingvaluable callthemif

14. Homework 发挥你的想象力，用下列短语写一篇 60 词左右 的文章，要求：故事合理，语句通顺。 1. 准是；一定 2. 着急；焦虑 3. 参加音乐会 4. 值钱的东西 5. 粉色的发带 6. 去野餐 7. 剩余的 …… 8. 捡起；拾起