英语情态动词学习课件

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1、Module5GrammarTheRevisionofModalVerbsWednesday,June19,2013Correctthesentences.1.Afteratwo-hourwalk,LiHuamustexhausted.2.Incrowdedplaceslikeairportsandrailwaystations,youmusttotakecareofyourluggage.3.Youdon’tneedreturnthebooknow.Youcankeepitnextweekifyoulike.Incrowdedplaceslikeairp

2、ortsandrailwaystations,youmusttakecareofyourluggage.Afteratwo-hourwalk,LiHuamustbeexhausted.Youneedn’t/don’tneedtoreturnthebooknow.Youcankeepitnextweekifyoulike.ModuleVerbs共同特征是：1.必须与其他动词（需用原形）一起构成谓语部分。2.情态动词无人称和数的变化,后面跟动词原形。3.否定式构成是在情态动词后面加“not”。情态助动词：can,could;may,might;must;shall

3、,should,oughtto;will,would;usedto;need;dareConclusionFindoutthemeaningsof“can”inthefollowingsentences.1.Theparrotcanspeakthreelanguages.“能，会”2.Youcantakethecar,ifyouwant.3.Whocanitbeatthistimethatisknocking?“可能”4.Canyougivemealifttothestation?“能不能……”5.ShanghaicanbeverycoldinMarch.“有

4、时会”“可以”Theusageof“can”表示能力“能，会”2.表示允许“可以”3.表示推测“可能”4.(用于疑问句中,表请求帮助)“能不能……”5.“有时会”can和beabletoThefirespreadthroughthehotelveryquicklybuteveryone___getout.A.hadtoB.wouldC.couldD.wasabletoDwas/wereabletodo表示经过努力而做成了某事，相当于managedtodo/succeededindoing。但不用could。I___thankyoutoomuchforallyo

5、urhelptomysonwhilewewereawayfromhome.(2012陕西)A.won’tB.can’tC.canD.willcannot+v.+too/over+adj./adv.cannot+v.+adj./adv.+enough无论怎么……也不过分；越……越好；Youcan’tbecarefulenoughwhencrossingthestreet.B1.Shemaybestillwaitingforus.2.MayIcomein?3.Mayyouhaveahappyholiday.表示可能性(不用于疑问句中)表示允许、可以表示祝愿maym

6、ight:语气更委婉may/mightLiza___wellnotwanttogoonthetrip—shehatestravelling.A.willB.canC.mustD.mayConclusion:may/mightwell…“很可能”拓展：You are here, so you _______ as well give me a hand A. can B. should C. need D. mayDmay/mightaswell…“不妨；最好；只好；还是…的好”DGuessthemeaningsof“must”inthefollowingsen

7、tences.1.Mustwehandinourexercisebooksnow?“必须、应该”2.Heisabsenttoday;hemustbeill.“一定”3.Ifyoumustgo,atleastwaituntilthestormisover.4.Johnny,youmustn’tplaywiththeknife;youmayhurtyourself.“禁止、不准许、不可以”“偏偏、偏要、硬要、非要”Theusageof“must”1.表示“必须、应该”2.表示肯定的猜测,但只用于肯定句。“一定”3.“偏偏、偏要、硬要、非要”（表示与说话人愿望相反或

8、不耐烦）Ifyoumust…,…4.m