《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(biāo)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(biāo)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(zhǔn)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。【注意】mustnt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(qiáng),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