原九年級英語全冊 Unit 8 It must belong to Carla（第3課時）（Grammar Focus4c）同步語法精講精練課件 （新版）人教新目標版

《原九年級英語全冊 Unit 8 It must belong to Carla（第3課時）（Grammar Focus4c）同步語法精講精練課件 （新版）人教新目標版》由會員分享，可在線閱讀，更多相關(guān)《原九年級英語全冊 Unit 8 It must belong to Carla（第3課時）（Grammar Focus4c）同步語法精講精練課件 （新版）人教新目標版（8頁珍藏版）》請在裝配圖網(wǎng)上搜索。

1、Unit 8It must belong to Carla.第三課時(Grammar Focus4c)單元同步語法精講精練情態(tài)動詞must，can/could，may/might表示推測時，要根據(jù)肯定、否定或疑問的不同形式選用不同的情態(tài)動詞。“情態(tài)動詞do sth.”表示對現(xiàn)在事情的推測；“情態(tài)動詞be doing sth.”表示對正在發(fā)生的事情的推測；“情態(tài)動詞have done sth.”表示對過去或已完成事情的推測。eg：They must be in the classroom now.他們現(xiàn)在一定在教室里。Peter may/might have been hurt in the c

2、ar accident.彼得可能在車禍中受了傷?？隙ㄍ茰ymust用于肯定句，意為“準是，一定”，后面接動詞原形，表示對現(xiàn)在較有把握的推測。eg：Ive had no sleep for 48 hours.我已經(jīng)48小時沒睡覺了。You must be exhausted.你一定筋疲力盡了?！咀⒁狻縨ustnt表示“禁止，絕不允許”。may，could，might意為“可能，也許”，表示可能性較小的肯定推測。eg：You may be right.你可能是對的。He could/might be running for exercise.他可能正在跑步鍛煉。can用在肯定句中，表示理論上的可能性

3、。eg：Smoking can cause cancer.吸煙有可能引發(fā)癌癥。否定推測表否定推測時，cant/couldnt語氣最強，指“不可能”，帶有驚異、懷疑的感情色彩。eg：The story sounds reasonable，but it cant be true.這個故事聽起來合情合理，但不可能是真的。may not/might not/could not表示不太有把握的否定推測，意為“可能不(會)是”。eg：He could not/might not be at home.Im not sure.他可能不在家，我不確定。疑問句中的推測疑問句中的推測，常用can或could，意為

4、“可能”。eg：There is someone outside.Who can it be？外面有人，會是誰呢？句型：“Whose一般疑問句？”“Whose名詞一般疑問句？”答語：使用名詞所有格或物主代詞來回答。使用belong to sb.結(jié)構(gòu)來回答。eg：Whose is this umbrella？/Whose umbrella is this？這把雨傘是誰的？Its Marys./It belongs to Mary.是瑪麗的。 一、根據(jù)句意，從方框中選擇合適的情態(tài)動詞填空。1Tom has gone to Beijing.He _ be at home now.2There _ b

5、e a girl singing next door.Cant you hear her?3The girl in the classroom _ be Maria.She called me from the library just now.4We _ go to the Great Wall this winter，but Im not sure.cantmustcantmay/might/could二、單項選擇。5I wonder if this smart phone is Marys.(2015，蘭州)It _ belong to her._ is totally differen

6、t from this one.Amustnt；Her Bcant；HerCcant；Hers Dmay；Hers6Harrys been driving all day.He _ be tired.(2015，杭州)AneedBcanCshallDmustCD7Is that man Mr. Smith?It _ be him.He has gone to New York on business.(2015，天津)Amay not Bneednt Ccant Dmustnt8Whats the matter with Tom？He has been absent for two days.

7、(2015，河南)Oh！He _ be ill.Lets go and ask Ms. Brown.Acan Bneed Cmay DwouldCC三、按要求完成句子，每空一詞。9The beautiful coat is Mikes_sisters(對畫線部分提問)_ _ the beautiful coat?10The English book must be Sallys.(改為同義句)The English book must _ _ Sally.11她不可能正在實驗室等著你。(翻譯句子)She _ _ _ for you in the _12你昨晚熬夜了，現(xiàn)在一定困倦了吧。(翻譯句子)You _ _ _ now after your staying up late yesterday.Whose isbelong tocant be waitinglaboratorymust be sleepy