九年级英语unit8SectionA2a2d课件.ppt

1、Unit 8,Section A 2a 2d,学习目标,目标1：能够用情态动词表示推断。 目标2：能够分析和归纳情态动词must,might,could,cant表示推测时语气的强弱，并结合实际生活情境理解和运用。,检测,Whose pencil box is it?,Whose English book is it?,It must be /belong to,Whose cup is it?,Whose bag is it?,Whose dictionary is it?,Whose dictionary is it?,Its Wang Xiaoyangs.,2a Bob and Anna

2、 found a schoolbag at the park. Listen and write down the things in the schoolbag.,T-shirt,hair band,tennis balls,The person _ go to our school. The person _ be a boy. It _ be Meis hair band. The hair band _ belong to Linda. It _ be Lindas schoolbag.,cant,could,might,must,2b Listen again. Fill in th

3、e blanks.,must,Bob: Hey, look! Whose schoolbag do you think this is? Anna: I dont know. Look, heres a school T-shirt. Bob: Well then, the person must go to our school. Oh! Here is a hair band, so the person cant be a boy. Anna: It could be Meis hair band. She has long hair. Bob: Or the hair band mig

4、ht belong to Linda. She was at the picnic, wasnt she? Anna: Yes, she was. But then the schoolbag could belong to Rita. Shes always forgetting things. Bob: Oh, look! Tennis balls. Anna: Then it must be Lindas schoolbag. She has long hair and shes on the tennis team. Bob: Youre right!,情态动词must, might,

5、 could, cant表示推测，后面都接动词原形，都可以表示对现在情况的揣测和推断，但他们含义有所不同。 must 一定，肯定 (100%的可能性) might, could有可能，也许 (20%80%的可能性) cant 不可能，不会 (可能性几乎为零),小组活动：挑选实物让对方组猜物品属于谁？ 句型：Whose.is it? It might/could/cant/must be sbs.,1. Is that your teacher? That _ be Mr. Wang. He has gone to Japan with his wife. A. cant B. mustnt C

6、. may not 2. You _ be happy with the strong public support youve received. Yes, youre right. Im really excited. A. may B. can C. must D. need,A,C,3. In competition, as in life, you _ not always win. A. may B. shall C. must 4. In Britain, you _ be 18 if you want to drive a car. A. can B. must C. may

7、D. might,A,B,2d Read and answer the questions.,Why is Linda worried? What are there in her schoolbag? Does Linda think her schoolbag is lost? Why?,Because she cant find her schoolbag.,Her books, her pink hair band and some tennis balls.,No. She thinks her friends must have picked it up.,Linda: Mom,

8、Im really worried. Mom: Why? Whats wrong? Linda: I cant find my schoolbag. Mom: Well, where did you last put it? Linda: I cant remember! I attended a concert yesterday so it might still be in the music hall. Mom: Do you have anything valuable in your schoolbag? Linda: No, just my books, my pink hair

9、 band and some tennis balls.,Section A 2d,attend, join, join in, take part in都有“参加”的意思。区别是： attend主要指“到场”或“出席”会议、宴会、典礼、仪式等。 join指参加某团体或组织成为其中一员或参加活动,是非正式用语。 join in表示“加入；参加(某种活动)”，in之后接名词或v.-ing形式；表示“参加某人的某种活动”时，可用join sb.in (doing) sth. 。 take part in指参加一项工作, 在其中分担一部分, 也指参加活动并积极工作。,attend v. 出席；参加

10、Children mustattendschool. 儿童必须上学。 I promised toattendthe show. 我答应去观看文艺演出。 They were sent to the hospital toattend short-term training courses. 他们被派到医院去参加短训班。,Mom: So it cant 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. Ill call them now to check if anybody has it.,must have pi