Unit 5 The Value of Money Discovering Useful Structures情态动词和过去将来时（课件）-2023-2024学年高中英语人教版（2019）必修第三册.pptxVIP

Unit5TheValueofMoneyDiscoveringUsefulStructuresP54

Modalverbs情态动词

*定义；*基本特征；*常见情态动词、其否定式、其缩略形式；*情态动词的表意功能；*常见情态动词的用法；*情态动词的特殊用法。Focuson基本用法情态动词ROADTOGRAMMAR

IfI______livemylifewithoutyounearmeThedays______allbeemptyThenightswouldseemsolongWithyouIseeforeverohsoclearlyI_____havebeeninlovebeforeButitneverfeltthisstrongOurdreamsareyoungAndwebothknowtheylltakeuswherewewanttogoHoldmenowTouchmenowIdontwanttolivewithoutyouNothingsgonnachangemyloveforyouYou________knowbynowhowmuchIloveyouOnethingyou_____besureofI____neveraskformorethanyourloveNothingsgonnachangemyloveforyouYou________knowbynowhowmuchIloveyouTheworld____changemywholelifethroughButnothingsgonnachangemyloveforyouListentothesongandcompletethelyrics.hadtomightoughttocanoughttomaywouldwillTheyarecalledmodalverbs.Theyareusedtoexpressability,obligation,possibility,intension,request,advice,etc.

Leading-inMayweaskwhatyouredoinginthiscountryandwhatyourplansare?IcantsaythatIhaveanyplans.Youmustntworryaboutthat.Couldyouoffermeworkhere?Readthesentencesbelowandthinkabout:Whatarethefunctionsandmeaningsofthesemodalverbs?A.necessityB.possibilityC.obligationD.requestE.adviceF.intention

ExampleNecessityPossibilitiesObligationRequestAdviceIntentionWecandiscussitnow.Youmustdoitatonce.Wouldyoupleasepassmethesalt?Youneedn’thavestayed.Yououghttohelphim.Iwouldratherdoitmyself.

一、情态动词的特征情态动词有一定的意义，表示或暗示某种____或______，表示可能、建议、愿望、必要、允许、能力等。大多数情态动词有多个意义。2.情态动词没有__________的变化，即不随主语的不同而变化。3.情态动词不能独立使用，须后接_________，一起构成谓语动词。情绪态度人称和数动词原形发现探索

1.只作情态动词的：2.可情态可实义的：3.可情态可助动词的:4.相当于情态动词的:二、情态动词的分类can/could,may/might,oughtto,mustneed,dareshall/should,will/wouldhaveto,usedto合作探究

常见情态动词、其否定式、其缩略形式:情态动词否定式缩略形式cancouldmaymightshallshould情态动词否定式缩略形式willwouldmu