高中英语 Unit 2 Healthy Eating同步课件（GrammarModal Verbs）新人教版必修3.ppt

period4grammarmodalverbs unit2healthyeating thefirstwealthishealth 健康是人生第一财富 alightheartliveslong 豁达者长寿 earlytobedandearlytorisemakesamanhealthy wealthyandwise 早睡早起会使人健康 富有和聪明 withouthealthnopleasurecanbetastedbyman 没有健康就没有乐趣 goodhealthisoverwealth 健康是最大的财富 proverbs whatshould shouldn twedotokeephealthy goodhealthisoverwealth ifyou dliketogiveadviceoropinions youcanuseshould oughtto hadbetterdo whatoughtwetodotokeephealthy goodhabitscanhelpustokeephealthyandbadonescancausediseases thereisaseriousdiseasecalledh1n1fluthesedays itspreadseasilyamongpeopleinspringandautumn thefluisaseriousdisease butwedon thavetobeafraidofit wecandosomethingtopreventit buthow weoughttokeeptheairfreshallthetime weoughttokeepawayfromcrowdedplaces we dbetterdrinkmorewatereveryday youshouldgotoschoolrightaway it seighto clocknow heshouldbeatwork itseemssounfairthisshouldhappentome youshouldhaveremindedmeofthemeeting whatshouldwedonow sumup 义务 表惊讶 竟然 推测 用于第一人称疑问句 询问对方的意愿 表责备 谴责 whatkindoffoodmustweeattobestrong goodhealthisoverwealth must haveto mustifinishthetaskrightnow yes youmust youhaveto no youneedn t youdon thaveto shecalledmeyesterdayeveningbutididn thearit i be asleep musthavebeen 1 willyoustayforlunch sorry mybrotheriscomingtoseeme a imustn tb ican tc ineedn td iwon t2 mayipickaflowerinthegarden a no youneedn tb not please c no youmustn td no youwon t 3 you returnthebooknow youcankeepittillnextweekifyoulike a can tb mustn tc needn td maynot4 john you playwiththeknife you hurtyourself a won t can tb mustn t mayc shouldn t mustd can t shouldn t c b b c mustn tneedn tshouldn tcan t 不准 禁止 没必要 don thaveto 不应该 oughtnotto 不能 不可能 couldyouusethemtomakesentences whatmodalverbshaveyoulearned can couldmay mightwill wouldshall shouldhadbettermusthavetoneedoughttodare can could只能表示现在或过去的能力 beableto能用于各种时态相当于managetodosth succeedindoingsth 1 表示 能力 的情态动词的用法 he gotothepartyyesterdayeveninginspiteoftheheavyrain 2 althoughhe swim he crosstheriver wasableto can t wasableto 2 表示 许可 的情态动词 1 igoouttoplay mum no you youshoulddoyourhomeworkfirst a might wouldn tb can needn tc can can td need mustn t2 couldicallyoubyyourfirstname yes you a willb couldc cand might 3 表示 请求 的情态动词的用法 均可表示将来 过去时为should would will would可表示意愿 常出现的动作 在疑问句中表示请求和建议 4 表示 推测 可能性 的情态动词 can表示推测时 只能用在否定句或疑问句中 it ssolate cantombereading 这么晚了 汤姆还在看书吗 这个人不可能是玛丽 她生病了 itcouldn tbemary shehadfallenill 情态动词能表示时态吗 1 表示对现在的推测2 表示对过去的推测3 表示对将来的推测 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 youlooktired you gotobednow should you believeeverythingyoureadontheinternet shouldn t can t mymothercookedalotoffoodforme shehasbeencookingallthemorning shemustbetirednow ihavejusteatenalotoffoodforlunch youcan tbehungrynow myhouseisneartherailway it benoisythere must theoldrestaurant beverygood it salwaysfullofpeople thenewrestaurant beverygood it salwaysempty must can t whereisjane perhapssheisreadingnewspapers she read newspaper maybereading inchina manychildren wearuniformwhentheygotoschool haveto don ttellanybodywhatisaid you keepitasecret must thefloorisclean you sweepit needn t thefloorisclean you sweptit musthave ipromisediwouldbeontime i belate couldn t lastnightpaulbecameillsuddenly we callthedoctor hadto wecan trepairthecarourselves we takeittoagarage haveto icanmanagetheshoppingalone you comewithme needn t thatisanimportantbook you keepitwell must excuseme youtellmethewaytotherailwaystation please could youarecarryingalotofthings youcan topenthedooryourself there samanstandingnearthedoor yousaytohim youopenthedoor please could youlikeacupofcoffee would 1 bylunchtimetheywouldallbesold 2 hisrestaurantoughttobefullofpeople 3 whatcouldhavehappened 4 nothingcouldhavebeenbetter 5 somethingterriblemusthavehappened 6 iwilltakeallthatfatoffyouintwoweeks 7 hecouldnotbelievehiseyes 8 hewonderedifheshouldgotothelibrarytofindout 9 hecouldn thaveyonghuigettingawaywithtellingpeoplelies 10 hehadbetterdosomeresearch 11 aftereatingintherestaurantpeoplewouldbecomefiredveryquickly intentionb dutyc promised possibilitye guessing d d e a b a b d c d d 1 ithoughtyoulikesomethingtoread soihavebroughtyousomebooks amayb mightc cand must2 youtothemeetingthisafternoonifyouhavesomethingimportanttodo a needn ttocomeb don tneedcomec don tneedcomingd needn tcome3 heyoumorehelp eventhoughhewasverybusy a mighthavegivenb mightgivec canhavegivend maygive4 ihelpyouwithsomeshoes madam yes iwouldliketotryonthosebrownones a willb shouldc mayd must 5 thereasonwhytheyleavewasn texplainedtous a hadb hadtoc mustd might6 isearchedformywalletanditwasn tthere ithoughtiitathome a leftb haveleftc mighthaveleftd canhaveleft7 i asleepbecauseittookmealongtimetorealizethatthetelephonewasringing couldhavefallenb shouldhavefallenc musthavefallend mustn thavefallen 8 theonlythingthatreallymatterstothechildrenishowsoonthey returntotheirschool a canb mustc havetod oughtto9 iwanttogotomary s butyou gowithme a neednotb mustnotc needd must10 whatwe getseemsbetterthanwhatwehave a canb couldc can td couldn t11 mygoodness i vejustmissedthetrain that stoobad iamsureyou it ifyouhadhurried a couldhavecaughtb hadcaughtc wouldcatchd couldcatch 12 look whatyou vedone youmorecareful a maybeb hadtoc shouldhavebeend wouldbe13 irepeatthequestion a shallb willc doyouwantthatd do1 therewerealready5peopleinthecar buttheymanagedtotakemeaswell itacomfortablejourney a can tbeb shouldn tbec couldn thavebeend mustn thavebeen1 tomoughtnotto meyoursecret buthemeantnoharm a havetoldb tellc betellingd havingtold iparkedmycarrightherebutnowit sgone it a mustbestolenb maybestolenc musthavestolend musthavebeenstolen hetheworkyesterday buthedidn t a musthavefinishedb needfinishc finishedd shouldhavefinished hedidnotpasstheexamination asagoodstudent he a mustn thavefailedb maynothavefailedc needn thavefailedd shouldn thavefailed 1sam howcanigrowthinner mum mum well you eatfood