Unit_8_It_must_belong_to_Carla教案

1、Unit 8 It must belong to Carla.Section A (Grammar Focus-4c) 一、教學(xué)目標(biāo)： 1. 語言知識目標(biāo)：1) 學(xué)習(xí)掌握下列詞匯：laboratory, coat, sleepy, pocket 2）進(jìn)行一步復(fù)習(xí)鞏固學(xué)習(xí)Section A 部分所學(xué)的生詞和詞組。3）掌握情態(tài)動詞的用法和物體所屬的句型。2. 情感態(tài)度價值觀目標(biāo)：面對身邊暫時不可解釋的現(xiàn)象，根據(jù)已有證據(jù)進(jìn)行合理推測。不信謠，不傳謠。 二、教學(xué)重難點(diǎn)1. 教學(xué)重點(diǎn)：1) 復(fù)習(xí)鞏固Section A 部分所學(xué)的生詞和詞組，達(dá)到熟練運(yùn)用的目標(biāo)。2) 總結(jié)情態(tài)動詞的用法。2. 教學(xué)難點(diǎn)：1

2、) 學(xué)習(xí)運(yùn)用情態(tài)動詞的用法。2) 掌握物體所屬的句型。三、教學(xué)過程. Revision Review some main phrases and sentences we learned in the last class. Grammar FocusFill in the blanks.1. 這是誰的排球?_ _ is this? 這一定是卡拉的。她熱愛排球運(yùn)動。It _ be _. She loves volleyball.2. 這是誰的發(fā)帶？_ _ is this?它可能是梅的發(fā)帶?；蛘呖赡軐儆诹者_(dá)。她們兩人都是長頭發(fā)。It _ be Meis hair band. Or it _ be

3、long to Linda. They_ have long hair.3. 那晚你看見了什么？_ did you see that night?我不確定，但肯定不可能是狗。它更大。我想也許是一頭熊或一匹狼。I'm _ _, but it _ _a dog.It was bigger. I think it _ _ a bear or a wolf. Try to Find 情態(tài)動詞表推測，可能性：must> can/could> may/might一、must表示可能性最大的肯定推測，意思是“一定、準(zhǔn)是”。只能用于肯定句。如果要表示“一定不”，應(yīng)該用can't。如

4、果詢問可能性時，應(yīng)該用can。e.g. He must know the answers. 他肯定知道答案。He can't know the answers. 他肯定不知道答案Can he know the answer? 他知道答案嗎？二、can/couldcan表示推測“可能性”時，一般用于否定句或疑問句。can在疑問句中意思是“會，可能”。e.g. He cant pick her schoolbag up. 他不可能拿了她的書包。could 用于表示某事有可能發(fā)生或可能是事實(shí)。e.g. Dont eat it. It could go bad. 不要吃它，可能壞了。The p

5、lane could be put off by the storm. 這趟飛機(jī)可能會因?yàn)楸╋L(fēng)雨而推遲。could可用于表示客氣、禮貌、委婉的請求語氣。Could you please help me with my homework？你能幫我完成我的家庭作業(yè)嗎？3、 may/mightmay, might表示推測“可能性”時，意思是“可能”，“也許”。might不表示過去時態(tài)，語氣更委婉，可能性更小。may, might表推測時，可用于否定句，但不用于疑問句。e.g. He may/ might not be at home, but I'm not sure. 他可能不在家，不過我

6、也不確定。四、推測時態(tài)1. must: 推測現(xiàn)在/ 正在/ 過去發(fā)生的動作。e.g. He must have a car now. (現(xiàn)在) 他一定有一輛小汽車。 He must be finishing his homework at home. (正在進(jìn)行) 他一定在家做作業(yè)。 He must have finished the work. (過去) 他一定已完成了工作。2. cancan/ cant 后可接進(jìn)行時/完成時，表示對現(xiàn)在發(fā)生的動作或過去發(fā)生的動作進(jìn)行推測。e.g. They cant be reading in the library. 他們一定不在圖書館讀書。 He ca

7、nt have gone to Shanghai because I saw him just now. 他不可能去了上海，我剛看見他了。3. may/ mightmay，might 可以推測現(xiàn)在正在發(fā)生的動作或過去發(fā)生的動作，還可以推測將來的情況。e.g. He may/might be sleeping now. (現(xiàn)在) 他可能正在睡覺。 These people may/might have seen the film before. (過去) 這些人以前可能看過這部電影。 It may rain. There are some clouds. (將來) 可能會下雨。因?yàn)橛幸恍踉啤?

8、 ExercisesChoose the correct answer.1. Excuse me. Is this the right way to the Summer Palace? Sorry, I am not sure. It _ be.A. might B. will C. must D. can2. Isnt that Anns husband over there? No, it _ be himIm sure he doesnt wear glasses.A. cant B. must not C. wont D. may not3. You _ be tiredyouve

9、only been working for an hour. A. must not B. wont C. cant D. may not4. Is John coming by train?He should, but he _ not. He likes driving his car. A. must B. can C. need D. may. Practice Work on 4a. Choose the best way to complete each sentence using the words in brackets.1. 讓學(xué)生們理解句子意思。 1. A: Wheres

10、 Jean? B: Im not sure. She _ (is/ might be/ must be) in the laboratory. 2. A: Everyone is going to the pool after school. B: Really? It _ (must be / cant be /could be ) hot outdoors. 3. A: Thats the phone. B: Hmm. I wonder who it _ (must be / could be / should be). 4. A: I wonder if there are Jims g

11、lasses. B: They _ (cant be / might be / could be) his. He doesnt wear glasses. 5. A: I hear water running in the bathroom. B: It _ (could be / must be / cant be) Carla. She was thinking of taking a shower.2. 根據(jù)句意選擇正確的情態(tài)動詞。3. 最后，通讀一遍句子，進(jìn)行綜合理解，看句子內(nèi)容是否通順，合理。4. Check the answers with the Ss. Keys: might

12、 be, must be, could be, cant be, must be5. Explanation. (1) be sure (of/about sth/doing) 確信.，對.有把握be sure to do sth “ 必定” ，“ 必然會”, "準(zhǔn)會" (2) 表示“位移”的動詞用現(xiàn)在進(jìn)行時態(tài)表將來，例如：go去，come來，leave離開，arrive到達(dá)，return 回來，fly 飛。 (3) wonder v. “想知道”（want to know）No wonder + 句子 “難怪.”e.g. No wonder you are angry.

13、難怪你覺得生氣。 (4) think of 想要；打算e.g. I thought of playing basketball. 我想打籃球。Work on 4b. Complete these responses.1. Tell Ss to understand the sentences. 1. A: Many people are wearing coats. B: The weather must be _.2. A: Sally has been coughing a lot. B: She might be _. 3. A: This restaurant is always ve

14、ry crowded. B: The food _.4. A: Whenever I try to read this book, I feel sleepy. B: It cant _.2. Let Ss write down possible answers as much as possible.3. Let Ss check their answers with their partners.4. Check the answers together. Keys: cold, sick/ ill, must be delicious, be interesting/ attractive. Group Work Look at this picture of a room. How much can you tell about the person who lives here? Is it a boy or a girl? What are his/ her hobbies? Discuss your ideas with a partner.A：It could be a girl's room because it's very tidy.B：I guess so. But it might be