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1、Grammar Unit4 Paintingtheworld 1 超过2 听说3 停止做某事4 为 付款5 寻找6 担当 充当7 和 吵架8 也 morethanhearofstopdoingsth pay for lookforworkasquarrelwithaswell Revision Modalverbs have pastparticiple Hecan tbeBillGate HemaybeLiuXiang HemustbeWenZhang Oh yes HeisWenZhang Lookandguessusing can t might could may must HebeL
2、iuXiang Whoistheman mightcould Revision 否定句用cannot couldnot maynot mightnot 疑问句用can could 猜测语气 must may might could 1 肯定句中 表示对当前行为 状态 情况的推测用 must may might could do be Thelightison Hemust may might couldbestudying Thelightisn ton Hecannot maynot mightnot couldnotbestudying Thelightison Can Couldhebe
3、studyingnow 2 表示对此时此刻正在进行的动作的推测用 must may might could bedoing Whatdoyouthinkthepigisdoing Hemust may might couldbedoingmorningexercise Practice Yes theymust may might couldbeplayingnow No theycannot couldnot maynot mightnotbeplayingnow Theymustbefightingnow Cantheybeplayingnow Hemust may might could
4、besingingONLYYOUnow Whatdoyouthinkheissingingnow 3 如何表示对过去发生事情的推测 FewpeoplemayhaveevenheardofVanGogh Totalkaboutsomethingthatwaspossibly not true wecanuse may might not have pastparticiple may mighthavedone表示对过去行为的推测 可译为 可能已经 或 想必已经 1 Hesaidthey theplane 2 Ithinkhe thenews 他说他们也许已经错过了那班飞机 我想他可能已经知道那
5、个消息了 may mighthavemissed may mighthavegot VanGoghcouldn thavepaintedthis it stoonew Totalkaboutsomethingthatwasimpossible weuse couldnot cannot have pastparticiple Totalkaboutsomethingthatwaspossible weuse could have pastparticiple can couldhavedone是对过去发生事情或行为的推测 用于否定句和疑问句 could的语气比较委婉 意为 可能已经 1 The
6、y asit sweekend 2 Somebodymusthaveopenedthecage Thelion onitsown 他们不可能去工作了 因为是周末 一定是有人打开了笼子 狮子是不可能自己跑出来的 can thavegonetowork couldn thaveescaped canhavedone通常只用于否定句和疑问句 用于否定句时表否定推断 推测肯定没做 用于疑问句时意为 难道真的做了吗 表示怀疑 例如 Canhehavedonesuchafoolishthing Isitpossible 他会做这样的傻事吗 表怀疑 Hecan thavetakenithome 他不可能把它
7、带回家了 表不可能 couldhavedone可用于肯定句 疑问句和否定句 用于肯定句既可以表示过去能够做而实际未做 有惋惜 遗憾或委婉批评之意 也可以表示对过去动作的推测 用于否定句和疑问句的情况与canhavedone相同 例如 Youcouldhavedonebetter butyoudidn ttryyourbest 你本可以做得更好 但是你没有尽力而为 表惋惜 Thisglassiscracked Someonecouldhavedroppedit 这个玻璃杯破了 可能是谁把它掉在地上了 表推测过去 Couldhehavelefttheworkunfinished 他会丢下工作不干了
8、 表怀疑 Hecouldn thavecheckedoutsoearly 他不可能这么早就离开了 表不可能 VanGoghworkedinanartdealer scompany buthemusthavedislikedit becauseheleft Totalkaboutsomethingthatwethinkcertainlyhappened weuse must have pastparticiple musthavedone表示对过去发生事情或行为的推测 语气非常肯定 可译为 想必一定 或 准是 该结构只用于肯定句 地面很湿 昨天晚上一定下雨了 2 You 你一定是把安娜当成她妹妹
9、了 1 Thegroundisverywet Itmusthaverainedlastnight musthavemistakenAnnaforhersister musthavedone的反意疑问句有三种情况 若句中含有过去的时间状语 用一般过去时完成反意疑问句 若句中含有过去完成时的时间状语 用过去完成时完成反意疑问句 若句中不含任何时间状语 用现在完成时完成反意疑问句 1 Wemusthavelearned2000wordsbytheendoflastterm 2 HemusthavegonetoBeijing 3 Thegroundisverywet Itmusthaverainedl
10、astnight hadn twe hasn the didn tit Othermodalverbs should oughttohavedoneshouldn t oughtnottohavedoneneedn thavedone It stoolate 你本该来的早一点的 太晚了 Afterall heisonlyfiveyearsold 你本不该责备他的 毕竟 他才五岁 It ssunnynow 我们本不必带伞的 现在天气很好 Youshould oughttohavecomeearlier Youshouldn t oughtnottohavescoldedhim Weneedn t
11、havetakentheumbrella AstrangeexhibitioncalledAnimalArt 1 Whichanimaldoyouthinkmadetheseworksofart Writethreesentencesabouteachone 1 Acat walk onthepaper 2 Asmalldog do this 3 Anelephant make thesemarks mayhavewalked musthavedone couldnothavemade Abird walk onthepaper Afrog jump onthepaper Asnake mak
12、e thesesmarks mighthavewalked mighthavejumped couldnothavemade Adog make thesemarks Acat do this Aspider make thesesmarks mayhavemade mighthavedone couldnothavemade Asnail crawl thesemarks Anelephant touch thepaperwithitsnose Apanda make thesesmarks musthavecrawled mighthavetouched couldnothavemade
13、Afrog jump onthepaper Abird do this Aspider do this mayhavejumped mighthavedone couldnothavedone Amonkey paint thesemarksonthepaper Anelephant do thiswithitsnose Afrog make thesesmarks mayhavepainted mighthavedone couldnothavemade 2 Completethefollowingdialoguesusingamodalverbandapastparticiple 1 Bi
14、ll Thiscaketastesalittletoosweet Bob I msorry I 2 June IsawJimyesterdayatthefootballmatch Alice That 3 Steve DidyouknowthatThomasEdisoncreatedmorethan1000inventions Brook He may mighthaveusedtoomuchsugarwhenImadeit couldnothavebeenhim Isawhimatwork mmlomusthavebeenagenius 4 Dave Ican tunderstandwhyo
15、urfootballteamplayedsopoorlyyesterday Eve Well they 5 Ruth Whatwasthatsound Justin Ithinkit 6 Charles Ihadbaddreamsallnight Brett You maynothavepracticedenoughbeforethegame mighthavebeenthunder musthaveeatensomespicyfoodjustbeforebed We haveboughtsomuchfoodnowthatSuziewon tbewithusfordinner 2012江西高考
16、 A maynotB needn tC can tD mustn t 解析 maynot不可以 needn t不需要 can t不可能 mustn t绝不可能 本句句意为 既然Suzie不和我们一起吃晚饭 所以我们就不需要买这么多食物 B 3 Ileftmyhandbagonthetrain butluckilysomeonegaveittoarailwayofficial Howunbelievabletogetitback Imean someone it 2011江苏 A willhavestolenB mighthavestolenC shouldhavestolenD musthavestolen D 解析 mighthavedone表示对过去事情的猜测 意思是 本可能做某事 前面语境说 手提包落在火车上了 但是幸运的是有人把它交给了铁路官员 下文语境说 能拿回来真是不可思议 我的意思是 有人很可能把它偷走了 shouldhavedone表示过去本应该做某事而事实上没有做 含有责怪的语气 musthavedone表示对过去的推测 意思是 肯定做过某事 4 He havecom
