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情態(tài)動詞的用法教案(已修改)

2024-11-05 06:46 本頁面
 

【正文】 第一篇:《情態(tài)動詞》的用法 教案《情態(tài)動詞的用法》教案一、教材分析: 這是初中的一個較重要也有難度的知識點,作為動詞中的一類,如何使用情態(tài)動詞can(could),must, have to, may(might),shall(should),will, dare, need, aught 、特點、以及最重要的用法;最后加以練習進行鞏固二、教學目標:::通過引導,讓學生能夠說出學會情態(tài)動詞的基本用法,在語境中的意思。:讓學生在學習中情態(tài)動詞過程中體驗英語的生動趣味性,引導學生提高對英語學習的求知欲。三、教學重難點教學重點: 學會運用情態(tài)動詞can(could), must, may,might,shall,should,ought to ,will(would),dare, need, have : 、教學方法:以講解為主,舉例分析。五、教學過程教師:同學們,我們這節(jié)課要想學習的內容是情態(tài)動詞的用法,那1這個情態(tài)動詞其實我們對于我們來說也并不陌生,平時在句子的運用也很多,那么大家告訴我情態(tài)動詞有哪些? 常見的情態(tài)動詞有:can(could), must, may,might, shall,should, ought to ,will(would),dare, need, have to(板書)我們這節(jié)課主要來歸納下它的用法本身具有一定詞意,但不能單獨作謂語。為什么說情態(tài)動詞不能單獨作謂語呢?謂語是對主語動作或狀態(tài)的陳述或說明,指出“做什么”“是什么”或是“怎么樣”情態(tài)動詞用在行為動詞前,表示說話人對這一動作或狀態(tài)的看法或主觀設想。(舉例:i can wash clothes)無人稱和數的變化We must stay 。He must stay 。情態(tài)動詞后面緊跟的一個動詞用原形She may lose her 。否定形式直接在后面加no下面我們開始逐個學習它們的用法 [1] 首先是can/could的用法 can 表示現在的能力,could 表示過去的能力,要表示將來具備的能力通常 be able to 的將來時態(tài)。 表允許,請求表示請求或者允許時,兩者均可用,但用could 語氣更委婉更為禮貌些; Can [Could] I e in?(允許)Can(could)you help me?(請求)若是自己允許別人做某事,一般只用 can,而不用 could。如: Can [Could] I e in? 我可以進來嗎 “Could [Can] I use your pen? ”“Yes,of course you can.” 表推測對現在或將來的推測,兩者均可用,但can 通常只用于否定句或疑問句中,一般不用于肯定句,而could則可用于肯定句、否定句和疑問句;對過去的推測,應在can,could之后接動詞的完成式,且此時can仍只用于否定句或疑問句,不用于肯定句;而could 則可用于各種句型。如:Can [Could] this be true? 這能是真的嗎Where can [could] he have gone? 他能到哪里去了呢She can’t [couldn’t] have left so 。She could be at [2] must / may / might的用法這三個詞常用于推測,在推測方面的用法分為四種情況。,用“情態(tài)動詞 + 動詞原形”。(1).She must / may / might arrive before :00前她一定/可能/也許到。,用“情態(tài)動詞 + be”,“情態(tài)動詞 +be doing”:(1).He must / may / might be listening to the radio 。(2).He may(might)not be at home at this 。,或“情態(tài)動詞 + 動詞原形”。Everymornning he will sit here and read a newspaper.(每天早上他都會坐在這兒看報紙)D.對過去情況的推測,用“情態(tài)動詞 + have +過去分詞”。:(1).It must / may / might have rained last ground is ,昨晚肯定/可能/也許下雨了。[3] shall的用法 (“好不好”)Shall we go now? 、警告、命令或根據規(guī)定有義務做 You shall leave at once!(威脅、警告)You shall clean theroom,it is your task.(義務,責任)、法令、預言:“必須” 用于所有人稱 Every paasenger shall wait in a line.[4] should /ought to的用法 注:情態(tài)動詞 should /ought to表推測時,意為“想必會,理應??” ,義務或要求,有時表示勸告:You ought to /should pay more attention to what your lawyer ,是“(按理說)應該”之意 肯定的語氣沒有must用于推測時強 This pen ought to /should be “have +過去分詞”連用時,則又可構成虛擬語氣意為 例如:should have done 本應該做某事而沒有做 Should’nt have done 本不應該做某事卻做了。[5] Would和will的用法A.表示請求、建議等,would比will委婉客氣。如: Would you pass me the book? B.表示意志、愿望和決心。Will表示現在的意愿,would表示過去的意愿,也可以表示現在的意愿,語較為委婉。如: I will never do that he would’nt helped would like a cup of .用“will be”和“will(would)+ have + 過去分詞”的結構表示推測,前者表示對目前情況的推測,后者表示對已經完成的動作或事態(tài)的推測。如: This will be the book you will have arrived by .will表示習慣、請求,固有性質等。Everyday he will sit here hour after hour doing nothing.(習慣)Will you help me with my English?(請求)E.表料想或猜想。如:It would be about ten when he left home.[6] dare(dared)的用法Dare作情態(tài)動詞時,主要用于疑問句、否定句和條件從句中,一般不用在肯定句中。如: How dare you say I39。m daren39。t speak English before such a crowd,dare he? She dare not say what she [7] need的用法need表示“需要”或“必須”,作情態(tài)動詞時,僅用于否定句或疑問句中,在肯定句中一般用must,haveto,ought to,或should代替。如: You needn’t e so early.— Need I finish the work today? —Yes,you :needn39。t + 不定式的完成式“表示本來不必做某事而實際上做了某事”。如: You needn39。t have waited for me.[8]must 和haveto的用法,而have to則往往強調客觀需要。如:The play is not really must go 。我真的必須現在就走。如: You mustn39。t 。You don39。t have to 。如:Must I clean all the room?我一定要打掃整個房間嗎?Yes,you ,you needn’:這節(jié)課總結了主要的情態(tài)動詞的用法,內容較多,給大家5分鐘時間來消化下,看完后有什么疑問或是哪個詞的用法不是很清楚就提出來。教師:教大家一個情態(tài)動詞的口訣口訣:動詞原形接后面,說話語氣較委婉。can “能力”may“許可”,must“責任”或“義務”。否定回答needn’t換,“需要”need, dare“敢”。should“應該”,would“愿”,have to“被迫”表客觀。課堂練習,復習鞏固教師:我們學完了情態(tài)動詞的用法,下面來做些練習。 have e to the party, but she not find the exact 。could 。could 。could 。would many mistakes in your homework!You more be to be have been4.Her brotherbe at home now, because he was seen playing basketball in the stadium just ’t ’t’t 39。t5.I can’t understand why our boss is the early miss have missed have missed miss第二篇:情態(tài)動詞的基本用法情態(tài)動詞的基本用法情態(tài)動詞的特點。:will → would , can → could , may→ might , dare → daredcan(could)。Two eyes can see more than 。Can I have a look at your new pen?Can(Could)you lend me a hand?、懷疑、不相信等態(tài)度。主要用于否定句、疑問句或感嘆句中。Where can(could)they have gone to?He can’t(couldn’t)be over can you be so careless?(肯定句把握較??;否定句幾乎為100%把握)The temperature can fall to 10℃.You can’t be (might)1.表允許,might是may的過去式。用在疑問中比may委婉、客氣。You may take whatever you told me that I might smoke in the (事實上)。語氣不肯定。He may be at 。She may not know about am afraid they might not agree with might be having a meeting, but I’m not (主觀意志)We must do everything we can to help mustn’t talk to her like we hand in our exercise books now?No, you needn’t./ No, you don’t have ,意為“想必、準是、一定”等,只用于肯定句。have(has)to:have(has)got to 必須, 不得不。過去式為had to。He must be looks so must have a lot of money, for she drives a ,用于第一、第三人稱疑問句。Shall I get you some tea?Shall the boy wait outside?It39。s a fine 39。s go fishing, shall we?,有“命令、允諾、警告、決心”等意思,用于第二、第三人稱陳述句。You shall do as I say.(命令)You shall have the English book as soon as I finish it.(允諾)He shall be sorry for it one day, I tell you.(警告)Everything that he owns shall be taken away from him.(決心)will,用于各種人稱陳述句。I will do anything for you will read the book, I’ll lend it to ,用于疑問句。Don39。t smoke in the meeting room, will you?Won’t you drink some more coffee? 。Fish will die out of door won’t 。They would n
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