中考英语 语法专题 情态动词课件 人教新目标版.ppt

情态动词 情态动词不能单独作谓语 它必须和动词原形连用一起构成谓语 一 情态动词的情态意义表示法考点一 can可表示现在或将来的能力 意为 能 会 can还可表示请求 允许 意为 可以 如 gabriellacanspeakfrenchfluently canyouhelpmeliftthisbox 考点二 could可表示过去的能力 当could表示允许时 语气比can更加委婉和客气 如 couldihaveadrinkofwater please 考点三 may表示请求 允许 意为 可以 如 mayicomeinandwait thankyou youmaygonow 考点四 might表示允许时 语气比may更加委婉和客气 如 mightiborrowyourpen 考点五 must表示义务 命令或必要 意为 必须 强调主观看法 mustn t表示 不允许 禁止 之意 如 allpassengersmustwearseatbelts youmustn ttalktoyourmotherlikethat 考点六 haveto意为 不得不 强调客观需要 如 itisgettinglate ihavetogo 考点七 should意为 应该 既可以表示义务或责任 还可以表示劝告或建议 其否定式为shouldn t 意为 不应该 如 youshouldreadhisnewbook it sreallyinteresting childrenshouldn tbeallowedtoplayinthestreet 考点八 hadbetterdosth 意为 最好做某事 其否定式在better后加not 如 you dbetter not seethefilmyourself 考点九 need表示 需要 作情态动词时 通常用于否定句或疑问句中 中考链接 1 jennyfinallygotthejobbecauseshe speakenglishwell a mightb mustc could 2015广东佛山 2 howdoyouusuallygotoschool myschoolisfaraway i takethebustoschool a mustb mightc haveto 2015山东菏泽 3 it ssurprisingthatmr ma slittledaughter speakenglishsowell a mustb canc mustn td can t 2015重庆a卷 4 asmiddleschoolstudents we beafraidofdifficultiesifwewanttomakeourdreamscometrue a mustb shouldn tc need 2015黑龙江哈尔滨 5 cars buses bikesandpeople stopwhenthetrafficlightsarered a canb mayc must 2015四川成都 6 iuseyourdictionary ofcourse butpleasereturnittomebeforeyouleave a mustb needc may 2015湖南长沙 7 mum thetrainisleavingineightminutes i gonow okay jim callmewhenyougetthere a mayb mustc can 2015四川乐山 8 you returnthebooknow youcankeepituntilnextweekifyoulike a havetob can tc mustn td needn t 2015山东青岛 9 you parkhere lookatthesign itsays noparking sorry ididn tnoticethatsignjustnow a won tb needn tc mustn td couldn t 2015江苏苏州 二 情态动词表示推测考点一 can表示推测时常用于否定句中 此时can t意为 不可能 如 thatcan tbehismother she snotthatold 考点二 could常用于肯定句中 表示不确定的推测 意为 可能 如 youcouldberight butidon tthinkyouare 考点三 may表示推测 意为 可能 也许 如 imaybelate sodon twaitforme 考点四 might表示推测时 比may的可能性更小 如 shemightnotwanttocomewithus iguess 考点五 must表示推测时常用于肯定句中 表示很有把握的推测 意为 一定 如 themachinedoesn twork theremustbesomethingwrongwithit 1 look it bedavidintheclassroom it behim becauseisawhiminthelibraryamomentago a may mustn tb must can tc can can td mustn t can 2015四川广安 中考链接 2 harry sbeendrivingallday he betired a needb canc shalld must 2015浙江杭州 3 look themanatthegate beourheadmaster heisalwaysstandingthereeverymorning no it behim heisholdingameetingintheofficenow a must can tb must mustn tc can t can td can t mustn t 2015山东滨州 4 ihavebeentothemoontwice you bejoking it simpossible a canb mayc mustd need 2015山东潍坊 5 doyouhaveanyplansforthissunday i mnotsure i gotothecountrysidetoseemygrandmother a canb mustc mayd need 2015安徽 6 willkarencometoourparty shehasn tdecidedyet she come a needb mustc mayd hasto 2015山东聊城 7 thegreendictionary belongto hernameisonit a may carla sb must carlac can t carlad must carla s 2015四川南充 8 doyouhaveanyplansforthissummervacation i mnotsure i takeatriptotaiwan a mustb needc mayd should 2015江苏盐城 9 lifeischangeable nooneknowswhat happeninthefuture a shouldb needc havetod might 2015山东莱芜 三 情态动词一般疑问句的回答考点一 may表示请求时 用于主语为第一人称的一般疑问句中 其否定回答不用maynot 而用mustn t或can t 如 mayiuseyourglassesforafewminutes no youmustn t can t 考点二 在回答由must引起的一般疑问句时 肯定回答常用must 否定回答常用needn t或don thaveto 表示 不必 如 mustwefinishthisprojecttoday yes youmust no youneedn t don thaveto 考点三 在回答由need引起的一般疑问句时 肯定回答用must 否定回答用needn t 如 needibringyouacoat yes youmust no youneedn t 考点四 在回答由could 表示委婉语气 引起的一般疑问句时 常用can can t回答 1 mustifinishallthehomeworkthisevening no you tomorrowissaturday andyouhaveenoughtimeforit a mustn tb needn tc won td can t 2015江苏连云港 中考链接 2 a mum mayigoouttoplayfootballforanhour b no you theairoutsideisnotveryclean a can tb needn tc couldn t 2015贵州遵义 3 mustihandintheexercisebooktoday missgreen no you takeyourtime justtomorrow a shouldn tb needn tc mustn td can t 2015四川内江 4 mustisingthesonginrussian no you it suptoyou a mustn tb can tc don td needn t 2015四川资阳 5 canyoucometomypartyonwednesday sorry i ihaveapianolesson a can tb couldn tc mustn t 2015黑龙江绥化 6 icompletethecompositiontoday sir