高一英语英语必修Uni语法情态动词PPT课件.ppt

ModalVerbs Unit1 2020年1月7日星期二 恒谦教育 1 2020 1 7 2 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 什么是情态动词 ModalVerbs can could may might must haveto shall should oughtto will wouldneed dare dared 恒谦教育 2020 1 7 3 情态动词的特点 1 情态动词自身都有一定的意义 但不能表示正在发生或已经发生的事情 只表示期待或估计某事发生 2 情态动词除ought和have外 后面必须接不带to的不定式 3 情态动词没有人称和数的变化 也没有非谓语形式 恒谦教育 2020 1 7 4 1 can的主要用法是 A 表能力eg Thegirlcandanceverywell beableto通过努力做成某事HewasabletoreachMountQomolangmain2000 B 表示说话者的推测 事物的可能性 否 疑 eg Canthenewsbetrue C 在口语中 can可以表示请求或允许 eg CanIsithere 1 can和could 恒谦教育 2020 1 7 5 2 could的主要用法是 A could是can的过去式 表示与过去有关的能力和推测 Weallknewthattheyoungmancouldn tbeadoctor B could可以代替can表示请求 但语气较can客气 委婉 could提问 答语用can CouldIborrowyourpen yes youcan 恒谦教育 2020 1 7 6 may常用来表示 1 在正式文体中表示请求 允许 比can正式 eg MayIcomein Youmaygonow 2 表示说话人的猜测 也许 可能 通常只用于肯定句和否定句中 Theguestmayarrivethisafternoon Canheattendthemeeting Yes he Iamnotsure 2 may和might may 恒谦教育 2020 1 7 7 3 表示祝愿 位于句首eg Mayyousucceed Mayyouhaveagoodjourney 4 mayaswell hadbetterdo 最好做某事 You dbettertakenotescarefully Youmayaswelltakenotescarefully 恒谦教育 2020 1 7 8 3 will和would will是助动词还是情态动词 will用于构成将来时是助动词 eg Iwilltellyousomethingimportant 我要告诉你一件重要的事情 情态动词 1 表意愿或意志Iwillneverdoitagain Ifyouwillmarryme whateverIhaveisyours andminesisyours 恒谦教育 2020 1 7 9 2 提出请求或建议 在疑问句中用于第二人称 eg Ifyouwanthelp letmeknow willyou Willyoutypethis please 祈使句问句与答语一般用willOpenthedoor willyou Pleasecometomyparty Yes Iwill3 表习惯或必然结果Fishwilldiewithoutwater Iwillgotoseemyformerclassmatesonweekends 恒谦教育 2020 1 7 10 would usedto 过去常常 习惯于 would现在有可能做 也有可能不做usedto现在一定没有做Thereusedtobeabigtree IwouldgotothelibrarywhenIwasfree I tocrywhenIwasachild usedto 恒谦教育 2020 1 7 11 4 shall和should shall用法1 shall表征求意见 用于一三人称疑问句中Shallwegobytrain Mom Shallheattendthemeeting 2 用于二三人称的陈述句中 表威胁警告命令允诺等语气YoushallgetapresentwhenIcameback Youshallbepunishedifyoubreaktherules 恒谦教育 2020 1 7 12 should用法应该 oughttoYoushouldstudyhard 2 表万一 多位于句首 Shouldhecome Iwouldletyouknow 3 居然 竟然 表说话人意料之外 针对现在 V原针对过去 shouldhavedoneTomysurprise heshouldbeathief Heshouldhaveliedtomeyesterday 恒谦教育 2020 1 7 13 5 must的主要用法 1 必须 must表主观 必须 haveto表客观 不得不 ImustgohomethisSaturday I vegotacold soIhavetoseeadoctor MustIstayhere Yes youmust No youneedn t youdon thaveto mustn t表禁止 不准 一定不要 Youmustn tplaywithfire Youmustn ttakedrugs 恒谦教育 2020 1 7 14 2 表 偏要 偏偏 违背说话人意愿 Mustyoutalkinclass Howmuchdoyouearn I lltellyouifyoumustknowit 3 一定 肯定Hemustbecrazy Hemusthavestayeduplastnight 4 表推测的反应 反义疑问句中不能出现must的形式 反义形式取决于句中时态 恒谦教育 2020 1 7 15 1 HemustbemyEnglishteacher 2 Hemusthavefinishedhishomework 3 Itmusthaverainedyesterday isn the hasn the didn tit 恒谦教育 2020 1 7 16 表示推测 情态动词的重要用法 肯定的推测可能的推测否定的推测疑问的推测 must 对将来对现在对过去 情态动词 may might can t couldn t can could V V havedone常见mustbe bedoing V V havedone bedoing可以用not表示 可能不 V V havedone bedoing V V havedone bedoing 恒谦教育 2020 1 7 17 Practice 表示推测 情态动词的重要用法 1 YoumustbeMrSmith Iwastoldtoexpectyouhere 2 Hemusthaveknownwhatwewanted 3 Wemayhavereadthesamereport 4 Hecan thavesleptthroughallthatnoise 5 There ssomeoneoutside whocanitbe 6 Whatcantheybedoing 7 Thesepillsmighthelptocureyourdisease 8 Youcouldberight Isuppose 恒谦教育 2020 1 7 18 1 Idon tknowwheresheis she beinWuhan 2 Atthismoment ourteacher ourexampapers 这时 我们老师想必在批改试卷 3 Theroadiswet It lastnight rain 4 Yourmother foryou 你妈妈一定一直在找你 5 Mike hiscar forhecametoworkbybusthismorning 迈克一定还没有找回他的车 因为早上他是坐公共汽车来上班的 may mustbemarking musthaverained musthavebeenlooking Practice2 Fillintheblanks can thavefound 恒谦教育 2020 1 7 19 2020 1 7 20 need dare dared 情态动词 need daredosthneed darenotdosth实意动词 need daretodosthdon t doesn t didn tdaretodosth 无单三形式 恒谦教育 2020 1 7 21 1 Beingafraidofmakingmistakes he answerhisteacher squestionA doesn tdareB doesn tdaretoC daren ttoD notdareto2 Havingfailedtheexam Thelittleboy gohomeandfacehismom A daresnottoB daresnotC darenottoD darenot 恒谦教育 2020 1 7 22 情态动词 havedoneshould oughttohavedoneshouldn thavedonemusthavedonecan t couldn thavedonecouldhavedoneneedhavedoneneedn thavedone 针对过去 恒谦教育 2020 1 7 23 1Childrenunder12yearsofageinthatcountry beunderadultsupervisionwheninapubliclibrary 2004上海 A mustB mayC canD need 直击高考 恒谦教育 2020 1 7 24 2Someaspectsofapilot sjob beboring andpilotsoften workatinconvenienthours 2006湖南 A can havetoB may canC haveto mayD oughtto must 恒谦教育 2020 1 7 25 3Theweatherturnedouttobefineyesterday I thetroubletocarrymyumbrellawithme 2006江西 AshouldhavetakenBcouldhavetakenCneedn thavetakenDmustn thavetaken 恒谦教育 2020 1 7 26 4 How syourtouraroundtheNorthLake Isitbeautiful It be butitisnowheavilypolluted 2007全国I A willB wouldC shouldD must 恒谦教育 2020 1 7 27 5Itoldyourfriendhowtogettothehotel butperhapsIhavedrivenherthere 2007陕西 A couldB mustC mightD should 恒谦教育 2020 1 7 28 7 10湖南23 You buyagift butyoucanifyouwantto A mustB mustn tC havetoD don thaveto8 10江西23 Ihavetoldyouthetruth Ikeeprepeatingit A MustB CanC MayD Will D A 恒谦教育 2020 1 7 29 9 It stheoffice Soyou knoweatingisnotallowedhere Oh sorry 2009湖南卷 A mustB willC mayD need10 Whatdoyoumean thereareonlytentickets There betwelve 2009全国卷I A shouldB wouldC willD shall A A 恒谦教育 2020 1 7 30 11 Ican tleave ShetoldmethatI stayhereuntilshecomesback 2009全国卷II A canB mustC willD may12 Hemustbehelpingtheoldmantowatertheflowers 2009陕西卷 A isheB isn theC mustheD mustn the B B 恒谦教育 2020 1 7 31 13 Willyougoskatingwithmethiswintervacation It 2002上海 A alldependedB alldependsC isalldependedD isalldepending 解析 答案B Italldepends是 不确定 看情况 的意思 B 恒谦教育 2020 1 7 32 根据汉语完成句子 A 我可以跟朋友去 tothehar