英语：Unit1《Festivals around the world》Grammar 课件(上课用).ppt

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1、情态动词用法ModalVerbIStep1.LeadinEnjoythesong,andpayattentiontothewordsinred.IWantToBeWithYouTherearethingsthat_____bedoneThatarenotyetbegunThingsthatI_____doWhenIwanttobewithyouAlthoughwe`refarapartYou`rewithmeinmyheartNooneelsewilldoIjustwanttobewithyouIwanttobewithyou______youhearme?I______youne

2、armeIwanttobewithyouI_____younearme,myloveThetwoofusareoneMotherofmysonNooneelsewilldoIjustwanttobewithyouIwanttobewithyou_____youhearme?I_____younearmeIwanttobewithyouI_____younearme,myloveIWantToBeWithYouTherearethingsthatmustbedoneThatarenotyetbegunThingsthatImustdoWhenIwanttobewithyouAltho

3、ughwe`refarapartYou`rewithmeinmyheartNooneelsewilldoIjustwanttobewithyouIwanttobewithyouCan`tyouhearme?Ineedyounearmestep2:summaryWordslikecan,must,need,andafewothersarecalledmodalverbs.Modalverbshelpotherverbsexpressameaningoranidea.1.情态动词表示说话人的某种感情或语气，对某一动作或状态的某种态度。表示“需要、可以、必须、应当”等。2.没有人称和数的

4、变化，即情态动词第三人称单数不加-s。3.不能独立使用，它和后面的动词构成谓语。4.情态动词 除ought 和have 外，后面只能接动词原形5. 情态动词没有非谓语形式，即没有不定式，分词，等形式。什么是情态动词？(ModalVerbs)只作情态动词的can/could,may/might,oughtto,must可情态可实义的need,dare/dared可情态可助动词的shall/should,will/would相当于情态动词的haveto,usedtoReadthesentenceswith“can”and“could”onp.5.anddiscusswithyourpa

5、rtnerhoweachofthesemodalverbsisbeingusedinthesituations.can和could：(1).ability(能力）(2).ability(能力）(3).permission（许可）(4).possibility（可能性）(5).request（请求）1)can的主要用法是：A. ___________：eg.Thegirlcandanceverywell.B. _____________：eg.Canthenewsbetrue?C.________________:eg.CanIsithere.D.Wuhancanbeveryhoti

6、nsummer.can和could：表示能力表示推测可能性表请求或允许（多用于疑问否定句中）表示理论上或习惯上可能性。即：常有的行为或情形，译为“有时会，时而可能”其他用法：表示请求，命令，惊讶，不相信等。Canyouhelpmetoliftit,please?Youcan’tbeserious!请求惊讶，不相信2)could的主要用法是：A.__________________________________________________:eg.Weallknewthattheyoungmancouldn’tbeadoctor.Icouldreadthebookattheage

7、ofthree.FathersaidIcouldgooutwithmyfriends.could是can的过去式,表示过去的能力,许可和推测B.could可代替can表示请求,语气委婉,但回答是用can.eg.Couldyoulendmeyourbike?CouldIuseyourbike?-Yes，youcan3表示现在的可能与能力，可能性要小。What’sfordinner?Icouldeatahorse.Mywifeisinhospital.Ourbabycou