2018年秋人教版英语（浙江）九年级上册课件：Unit 8 Grammar Focus(共24张PPT)

1、Section A Grammar Focus Translate the phrases. outside the window have fun next-door neighbor at first run away feel uneasy have no idea have fun (in) doing sth. 在窗外在窗外 玩得高兴玩得高兴 隔壁邻居隔壁邻居 最初；最初； 首先首先 逃跑逃跑 心神不安心神不安 一点不知道；一点不知道； 没办法没办法 做某事很愉快做某事很愉快 - Whose volleyball is this? - It must be Carlas. She l

2、oves volleyball. - Whose book is this? - It must be Marys. J.K. Rowling is her favorite writer. - Whose hair band is this? - It could be Meis. Read the sentences below, paying attention to the colored parts. - Whose notebook is this? - It must be Mings. It has her name on it. - Whose French book is

3、this? - It could be Carols. She studies French. - Whose guitar is this? - It might belong to Alice. She plays the guitar. - Whose T-shirt is this? - It cant be Johns. It is too small for him. Read more sentences. must cant could might 100% probably true 20%-80% possibly true 0 almost not true 表示推测的情

4、态动词表示推测的情态动词 在英语中，表示对某件事物的确定程度，在英语中，表示对某件事物的确定程度， 即表示推测的时候，我们通常会用到以即表示推测的时候，我们通常会用到以 下情态动词下情态动词: must, might, could, may, cant, couldnt。 可能性：可能性： must can/could may/might 一、一、must must表示可能性最大的肯定推测，意思是表示可能性最大的肯定推测，意思是 “一定、准是一定、准是”。只能用于肯定句。如果要。只能用于肯定句。如果要 表示表示“一定不一定不”，应该用，应该用cant。如果询问可。如果询问可 能性时，应该用能性

5、时，应该用can。 He must know the answers. 他肯定知道答案。他肯定知道答案。 He cant know the answers. 他肯定不知道答案他肯定不知道答案 Can he know the answer? 他知道答案吗？他知道答案吗？ 二、二、can / could can表示推测表示推测“可能性可能性”时，一般用于否时，一般用于否 定句或疑问句。定句或疑问句。can在疑问句中意思是在疑问句中意思是“会会 ，可能，可能”。 He cant pick her schoolbag up. 他不可能拿了她的书包。他不可能拿了她的书包。 could 表示某事有可能发生

6、或可能是事实。表示某事有可能发生或可能是事实。 Dont eat it. It could go bad. 不要吃它，可能坏了。不要吃它，可能坏了。 The plane could be put off by the storm. 这趟飞机可能会因为暴风雨而推迟。这趟飞机可能会因为暴风雨而推迟。 could 还可用于表示客气、礼貌、委婉的请还可用于表示客气、礼貌、委婉的请 求语气。求语气。 Could you please help me with my homework? 你能帮我完成我的家庭作业吗？你能帮我完成我的家庭作业吗？ 三、三、may / might may, might表示推测表

7、示推测“可能性可能性”时，意思时，意思 是是“可能可能”，“也许也许”。might不表示过去不表示过去 时态，语气更委婉，可能性更小。时态，语气更委婉，可能性更小。may, might表推测时，可用于否定句，但不用于表推测时，可用于否定句，但不用于 疑问句。疑问句。 He may / might not be at home, but Im not sure. 他可能不在家，不过我也不确定。他可能不在家，不过我也不确定。 情态动词表示推测可以分为以下几种情况情态动词表示推测可以分为以下几种情况: 情态动词情态动词+ do 此结构表示对现在或将来情况的推测和判断此结构表示对现在或将来情况的推测和

8、判断 Do you know where she is now? I think she might travel in Beijing. 情态动词情态动词+ be doing 此结构表示对现在或将来正在进行的情况的此结构表示对现在或将来正在进行的情况的 推测和判断。推测和判断。 At this moment, my father cant be working in the office. 情态动词情态动词+ have done 此结构表示对过去情况的推测和判断。此结构表示对过去情况的推测和判断。 The road is wet. It must have rained last night

9、. 情态动词情态动词+ have been doing 此结构表示对过去正在进行的情况的推测此结构表示对过去正在进行的情况的推测 和判断。和判断。 Your mother must have been looking for you at that moment. 根据句意根据句意, 从方框中选择正确的情态动词从方框中选择正确的情态动词 填空填空, 每项限用一次。每项限用一次。 should, must, cant, may not, mustnt 1. That _ be Lucy. She has gone to Beijing on business. 2. There _ be som

10、ething wrong with my watch. It isnt working now. cant must 3. He _ know the answer, either. Lets ask that policeman. 4. You _ swim in the river. Its dangerous. 5. You _ look after your parents when they become older. Its your duty. may not mustnt should 用用must, might, could或或cant 填空填空 The toy car _

11、be Jims. He is the only kid at the picnic. 2. This Mp5 _ be Lindas. I know she has one. 3. The mobile phone _ belong to Lucy or Lily. They both have mobile phones. 4. The man _ be Mr Smith. He has gone to Shanghai and hell be back in three days. must could / might could / might cant 4a Choose the be

12、st 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 the laboratory. might be n. 实验室实验室 2. A: Everyone is going to the pool after school. B: Really? It _ (must be / cant be /could be ) hot outdoors. must be 表示表示“位移位移”的动词用现在进行

13、时态表将的动词用现在进行时态表将 来，例如：来，例如：go去去, come来来, leave离开离开, arrive到达到达, return 回来回来, fly飞。飞。 adv. 在户外，在在户外，在 野外野外 e.g. I am coming. = I will come. He is leaving for Paris. = He will leave for Paris. 3. A: Thats the phone. B: Hmm. I wonder who it _ (must be / could be / should be). could be 4. A: I wonder if

14、 there are Jims glasses. B: They _ (cant be / might be / could be) his. He doesnt wear glasses. cant be wonder v. “想知道想知道” (want to know) No wonder + 句子，句子，“难怪难怪.” e.g. No wonder you are angry. 难怪难怪 你会生气。你会生气。 5. A: I hear water running in the bathroom. B: It _ (could be / must be / cant be) Carla.

15、She was thinking of taking a shower. could be / must be 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 crowded. B: The food _. 4. A: Whenever I try to read this book, I feel sleepy. B: It cant _. 4b4

16、b Complete these responses. getting colder / cold outside having a sore throat / ill must be delicious be that boring 4c 4c 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 girls room because its very tidy. B: I guess so. But