高三英语高考专题复习情态动词课件全国通用.ppt

情态动词modalverbs 1 isjohncomingbytrain heshould buthe not helikesdrivinghiscar 2002高考题 a mustb canc needd may2 ithasbeenannouncedthatcandidates 候选人 remainintheirseatsuntilallthepapershavebeencollected 2002上海高考题 a canb willc mayd shall3 iheardtheywentskiinginthemountainslastwinter 2002北京高考题 it truebecausetherewaslittlesnowthere a maynotbeb won tbec couldn tbed mustn tbe 情态动词 表示推测 不表示推测 cancouldmaymightshallshouldmustwillwouldoughtto havetodare daren t need needn t usedto idaren taskherforarise 我不敢请求她加薪 howdidyoudaretotellherthat iwonderwhetherhedarestandupinpublic idon tknowhowshedarestowearthatdress doyouneedanyhelp iwonderwhetherheneedsenditimmediately ineedhardlytellyouthattheworkisdangerous thegardendoesn tneedwateringatthemoment youneedn tfinishthatworktoday 可兼做行为动词的情态动词 need dare 情态动词 动词原形 行为动词 need dare 1 无人称和数的变化 2 尤其用于 否定句及疑问句中 在if whether之后 或与hardly never noone nobody连用 3 常以needn t和daren t的形式出现 4 dare有其过去时dared 多用于肯定句 sb needtododaretodo sth needtobedone sth needdoing 判断正误 howdareyousaysuchathing howdareyoutosaysuchathing hedaren ttospeakenglishbeforesuchacrowd didhe hedaren tspeakenglishbeforesuchacrowd darehe nobodyneedtobeafraidofcatchingthedisease nobodyneedbeafraidofcatchingthedisease thesedishesneedbecleanedcarefully thesedishesneedtobecleanedcarefully thesedishesneedcleaningcarefully 注意对need问句的回答 needifinishtheworktoday yes no no youmust youneedn t youdon thaveto needn t对其它情态动词的回答 shallitelljohnaboutit no you mustwedoitnow no you needn t don thaveto needn t don thaveto 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 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 should 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 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 may mustbemarking musthaverained musthavebeenlooking 5 philip seriouslyinthecaraccident 菲利普可能在车祸中受了重伤 6 lindahasgonetowork butherbicycleisstillhere she go bybus 7 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 might havebeenhurt may might havegone can thavefound 高考考题 1 ithoughtyou likesomethingtoread soihavebroughtyousomebooks a mayb mightc wouldd must2 whereismypen i it a mightloseb wouldhavelostc shouldhavelostd musthavelost3 ididn thearthephone i asleepa mustbeb musthavebeenc shouldbed shouldhavebeen b d b 4 therewerealreadyfivepeopleinthecar buttheymanagedtotakemeaswell it acomfortablejourneya can tbeb shouldn tbec mustn thavebeend couldn thavebeen5 it snearlyseveno clock jack behereatanymoment a mustb needc shouldd could d c 不同的 肯定 程度可按下列层次排列 heisathome 事实 hemustbeathome 非常肯定的推断 hecouldbeathome 很可能 heoughttobeathome 很可能 hemaybeathome 仅仅可能而已 hemightbeathome 或许 非常不确定 hemightnotbeathome 也许不在家 hemaynotbeathome 比might可能 hecouldn tbeathome 很可能不在家 hecan tbeathome 一定不在家 heisn tathome 事实 在不表示推测的情态动词中 我们要注意以下考点 1 表示能力 许可的情态动词的用法 2 表示否定的情态动词的用法 3 shall和will的多种意义的区别 4 情态动词短语的使用 5 虚拟语气中情态动词的使用 表示能力 can could beableto beableto能用于各种时态 can could只能表示现在或过去的能力 was wereableto 设法做成某事 相当于managedtodosth succeededindoingsth 1 表示能力 许可的情态动词的用法 1 acomputer thinkforitself itmustbetoldwhattodo a can tb couldn tc maynotd mightnot 2 thefirespreadthroughthehotelveryquicklybuteveryone getout a hadtob wouldc couldd wasableto a d 3 theywill runthismachineontheirowninthreemonths a canb couldc mayd beableto4 thatbigcinema seat2 000people a canb shouldc oughttod isableto d a 表示许可 may might can could might could比较委婉 一般多用于疑问句 can may表达的语言比较随便 在以could might表示征询对方意见或表示请求时 回答应相应使用can may 5 couldiborrowyourdictionary yes ofcourseyou a mightb willc cand should6 mightiwatchtvaftersupper yes you a mayb mustc mightd can c a 2 表示否定的情态动词的用法 部分情态动词的否定式是情态动词中的考点之一 mustn t不准 禁止needn t没必要 don thaveto can t不能 不可能maynot不可以 可能不shouldn t不应该 oughtnotto 7 you returnthebooknow youcankeepittillnextweekifyoulike a can tb mustn tc needn td maynot8 johnny you playwiththeknife you hurtyourself a won t can tb mustn t mayc shouldn t mustd can t shouldn t c b 9 willyoustayforlunch sorry mybrotheriscomingtoseeme a imustn tb ican tc ineedn td iwon t10 mayipickaflowerinthegarden a no youneedn tb not please c no youmustn td no youwon t b c 情态动词 shall will的多种意义 shall will 动词原形 shall可表示必须 命令 警告或征询意见 will可表示意愿 常出现的动作 在疑问句中表示请求和建议 均可表示将来 过去时为should would 3 11 he bepunishedifhedisobeys 如果他不服从 就要受到惩罚 12 wearenotgoingtoquarrelatallifyou onlyletmespeak 只要你让我说话 我们根本就不会吵架 13 sir hegoorstay lethimgo a willb shallc mightd could shall will b 14 thedoor open 这门经常打不开 15 ronald stayinhissmallgardenforalongtimeeverydayinthepast a couldb mightc shouldd would16 you havethebookafterireadit 我看完以后一定把这本书给你 won t d shall 4 情态动词短语的使用 wouldliketodo wouldratherdo wouldrather 从句wouldprefertodo hadbetterdo 改错 1 wouldyoulikehavingsometea 2 i dprefergoingtothelecturethisevening 3 i dratheryoutogotothemeeting 4 hewouldrathertodiethantogivein 5 you dbettertohaveyourhaircuttoday wouldyouliketohavesometea i dprefertogoto youwentto hewouldratherdiethangivein you dbetterhave 5 用于虚拟语气的情态动词 shouldmightcouldwouldneedn toughtto 情态动词考题 1 putonmoreclothes youbefeelingcoldwithonl