1、Unit 8 It must belong to Carla.,Section A 3 Grammar Focus-4c,Revision,一、按要求寫出下列詞匯或詞組。,1. 太而不能 _ 2. 不知道 _ 3. 曾經(jīng)，過去常常 _ 4. 看見某人正在做某事 _ 5. 奇怪的噪音 _ 6. 感到不安 _ 7. 離開 _,too. to.,have no idea,used to,see sb doing,feel uneasy,strange noises,go away,8. 這個地區(qū)的一個婦女看到有東西在逃跑。 _ _ 9.在我們街區(qū)肯定有正在拜訪一些家的某種東西。 There must

2、 be something visiting the homes in our neighborhood.,.,A woman in this area saw something running away.,Grammar Focus,1. 這是誰的排球? _ _ is this? 這一定是卡拉的。她熱愛排球運動。 It _ be _. She loves volleyball.,Whose volleyball,must Carlas,Fill in the blanks.,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?達。她們兩人都是長頭發(fā)。 It

3、 _ be Meis hair band. Or it _ belong to Linda. They _ have long hair.,could,might,both,Whose hair band,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。 Im _ _, but it _ _ a dog. It was bigger. I think it _ _ a bear or a wolf.,What,not sure,cant be,might be,Grammar: 情態(tài)動詞表推測,可能性:

4、 must can/could may/ might,can not ( cant) could not (couldnt),may not / might not,否定,否定,表示可能性最大的肯定推測，意思是“一定、準是”。只能用于肯定句。如果要表示“一定不”，應該用cant。如果詢問可能性時，應該用can。,must,e.g. He must know the answer. 他肯定知道答案。 He cant know the answer. 他肯定不知道答案 Can he know the answer? 他知道答案嗎？,can表示推測“可能性”時，一般用于否定句或疑問句。can在疑問句

5、中意思是“會，可能”。 e.g. He can t 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。,can / could,e.g. Dont eat it. It could go bad. 不要吃它，它可能壞了。 The plane could be put off by the storm. 這趟飛機可能會因為暴風雨而推遲。 could可用于表示客氣、禮貌、委婉的 請求語氣。 e.g. Could you please help me with my homework? 你能幫我完成我的家庭作業(yè)嗎？,may, mig

6、ht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 Im not sure. 他可能不在家，不過我也不確定。,may / might,推測時態(tài),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. (正在進行) 他一定在家做作業(yè)。 He must ha

7、ve finished the work. (過去) 他一定已經(jīng)完成了工作。,must,can/ cant 后可接進行時/完成時，表示對現(xiàn)在發(fā)生的動作或過去發(fā)生的動作進行推測。 e.g. They cant be reading in the library. 他們一定不在圖書館讀書。 He cant have gone to Shanghai because I saw him just now. 他不可能去了上海，我剛看見他了。,can,may / might,may，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

8、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。因為有一些烏云。,4a,Choose the best way to complete each sentence using the words in brackets.,1. A: Wheres Jean? B: Im not sure. She _ (is/ might be/ must be) in

9、the laboratory.,might be,n. 實驗室,2. A: Everyone is going to the pool after school. B: Really? It _ (must be / cant be /could be ) hot outdoors.,must be,表示“位移”的動詞用現(xiàn)在進行時態(tài)表將來，例如：go去，come來，leave離開，arrive到達，return 回來，fly 飛。,e.g. I am coming.=I will come. He is leaving for Paris.=He will leave for Paris.,a

10、dv. 在戶外，在野外,3. A: Thats the phone. B: Hmm. I wonder who it _ (must be / could be / should be).,could be,4. A: I wonder if there are Jims glasses. B: They _ (cant be / might be / could be) his. He doesnt wear glasses.,cant be,wonder v. “想知道” (want to know) No wonder+句子，“難怪.” e.g. No wonder you are an

11、gry. 難怪你覺得生氣。,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.,could be/ must be,think of 想要；打算 e.g. I thought of playing basketball. 我想打籃球。,1. A: Many people are wearing coats. B: The weather must be _ _. 2. A: Sally has

12、been coughing a lot. B: She might be _.,getting colder/ cold outside,having a sore throat/ ill,4b,Complete these responses.,n. 外套,3. A: This restaurant is always very crowded. B: The food _. 4. A: Whenever I try to read this book, I feel sleepy. B: It cant _.,must be delicious,be that boring,adj. 困的

13、,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. can,Choose the correct answer.,2. Isnt that Anns husband over there? No, it _ be him Im sure he doesnt wear glasses. A. cant B. must not C. wont D. may not,3. You _ be tired youve only been working