高三英语第二单元语法“情态动词”课件译林牛津版模块四.ppt

unit2grammarandusage modalverbs jack ihavegoodnewsforyou rose what jack theeducationaldepartmenthascarriedoutrulestoreducestudents toomuchstudyload rose really ifso idon thavetostayuplatetodosomuchhomeworkandmymommayallowmetoplaycomputergames jack thebestthingithinkisthaticanhavemoresparetimetotakeexerciseafterclass rose sure bytheway whoisyourfavoritesportsstar jack liuxiang ishouldsay rose tellmesomethingabouthim jack well maybeicanshowyousomephotos weusemodalverbstotalkabout ability 能力 obligation 义务 certainty 可能性 permission 允许 wealsousemodalverbsto makerequests 提出请求 makesuggestions 提出建议 makeoffers 提供帮助 giveadvice 提出意见 1 ability 能力 liuxiangcanrunthe110mhurdleracewithin13seconds can could 1 can一般表示与生俱来的能力或者一种客观可能性 还可以表示请求和允许 learningenglish bedifficult can mancannotlivewithoutair can could 2 在疑问句中 用could可表示请求 语气较委婉 youlendmesomemoney sure could heasksifhe smokehere could can could 3 表示惊异 怀疑 不相信的态度 主要用在否定句 疑问句或惊叹句中 he ssuchanicepersonthathe committhecrime can t 你怎么会如此地粗心 howcanyoubesocareless canthisbetrue can could 4 cannever can t too表示 无论怎样 也不过分 越 越好 你过马路的时候再小心也不为过 youcan tbetoocarefulwhilecrossingtheroad attention can beableto区别 edisonalwayswonderedwhyhenscouldhatch 孵 chickenswhilehewasnotableto question arethetwomodalverbsinterchangeable 互换 ifnot why can表示与生俱来的能力或一种客观可能 而beableto更加强调通过后天的学习和努力获得的能力 或者在某个客观的场合和背景下 能做到的事情 attention can beableto区别 abigfirebrokeoutinabchotelyesterday luckily everyone runoutofthebuilding wasableto 2 ifyoufeellikeit you goforawalkinthepark can i msotired ihavetodothetrainingforatleast10hoursaday 2 obligation 义务 yet hemustworkhardtowinthegoldmedal althoughliuxiangissogiftedinhurdlerace attention advisability necessity oughtto should haveto must youmotherbringsyouupandtakesgoodcareofyou sowhensheisold you lookafterherinreturn a canb mayc havetod must shidongpengmightwinamedalattheolympicgames althoughthechanceofwinningamedalissmall i lltrymybest 3 certainty 可能性 attention veryuncertain almostcertain might should must may could oughtto will 1 he beathome 2 he beathome forhejustcalledmefromhishome15secondsago a mayb mightc must a mayb mightc must attention they bedoingtheexperimentinthelab why becausethelightsarestillburning a couldb canc mustd would 4 permission 允许 mayieatkfcifawinthegoldmedal may might 1 表示许可 表示请求 允许时 might比may的语气更委婉一些 might mayiuseyourcomputer yes youcan no youcan t may might 2 用于祈使句中表示祝愿 3 表示推测 可能 只用于肯定句 疑问句则要用can或could 祝你成功 mayyousucceed hemaybeverybusynow mayyoubehappyallyourlife 5 makingrequests 提出要求 canyouhelpmewithmytraining idon tknowhowtousethisequipment 6 makingsuggestions 提出建议 shallwedothetraininginthemorning it stoohottotakeexerciseintheafternoon shall 1 shall用于第一 第三人称疑问句中 表示说话人征求对方的意见 向对方请示或提供帮助 1 shallwebeginourlesson 2 whenshallhebeallowedtoleavehospital 3 shallicarrythisbagforyou shall 2 shall用于第二 第三人称 表示说话人给对方命令 警告 允诺或威胁 youshallfailifyoudon tworkharder heshallbepunished 等我读完这本书 就会给他的 heshallhavethebookwhenifinishit 警告 威胁 允诺 7 makingoffers 提供帮助 don tworry dear iwillwashthemrightaway mom mydirtyclotheshavebeenpiledup idon thavetime will would 1 表示请求 建议等 would比will委婉客气 sentencepattern wouldyouplease wouldyoumind wouldrather wouldyoulike will would 2 表示意志 愿望和决心 iwillneverdothatagain will would 3 可表示经常性 习惯性 倾向性 翻译为 经常 惯于 总是 1 theoldmanwouldhaveasmokeunderabigtreeeveryafternoonafterhefinishedhisfarmwork 2 门就是打不开 thedoorwon topen will would attention iwillgototheparkwithyoutomorrowifyouwilloffermelunch question isthissentencecorrect why 情态动词 助动词 8 givingadvice 提出意见 youshouldnot oughtnottoeatsomuchbeforerunning howdelicious should 1 should表示劝告 建议 命令 其同义词是oughtto 在疑问句中 通常用should代替ought to shouldiopenthewindow 你应该马上去教室 youshouldgotoclassrightnow should 2 情态动词should用于第一人称时可以表示说话人的一种谦逊 客气 委婉的语气 rose sure bytheway whoisyouridol jack liuxiang ishouldsay ishouldadviseyounottodothatagain let shaveatry aftershowingliuxiang sphotoalbum jackisgoingtowriteanarticlefortheschoolmagazineabouthowcitiesarechosentohosttheolympicgames however jackhassomedifficultyinchoosingthecorrectmodalverbs pleasehelpjackfinishthisarticle beforeyoudoit youshouldpayattentiontoachecklistshowingwhatisimportantforapotential 潜在的 olympiccity task1 checklist recommended recommended neccesary optional recommended recommended neccesary neccesary neccesary recommended choosingtherightcity whenchoosingacitytohosttheolympics therearecertainthingsweneedtoconsider thefirstisthesportsfacilities thecity must should haveanolympicstadiumandalso hasto oughtto providefirst classtraininggrounds thechosencity must should alsohaveplentyofgoodhotelsand could must haveaninternationalairportnearby must hasto must must thecityitself must should becleanandpublictransport hasto oughtto beconvenient iftherewerelotsofgoodrestaurantsinthecity thiswouldmakeitmoreattractive should oughtto anotherthingweshouldthinkaboutisthepeoplewholiveinthecity ifalotofpeople could might speakenglish itwouldbeveryhelpfulfortourists visitors haveto may beinterestedintouristattractionstoo sowealsoneedtopayattentiontothestandardsofservices finally weshouldconsidergreenspaces ifacityhasplentyofparks this could must helpitsbidtobeanolympiccity could may could task2 jackwantstosurftheinternetafterschool jack excuseme may must iuseyourcomputerforawhile rose yes you should can butitisnotconnectedtotheinternet soifyouwanttocheckyoure mail youwon tbeableto jack then iwill can haveto findanotherone butthankyouanyway may can haveto jackishavingaconversationwithhismom mom ifyou can must finishyourhomeworktodayallbyyourself you shall must gotothecinemawithyourclassmatetomorrow jack ialwaysfinishmyhomeworkontime buteverytimeyoubreakyourpromise mom butthistimewillbedifferent ipromise jack ok i will need try