外研版英語(yǔ)必修四講義Module6UnexplainedMysteries4SectionⅣGrammarWord版含答案

SectionⅣGrammar情態(tài)動(dòng)詞＋havedone1．(教材P57)Themeteoritemight__have__caused(cause)ahugedustcloud.2．(教材P57)Thedustcloudmay__have__cut(cut)offthesunlight.3．(教材P57)Smallanimalsmay__have__survived(survive)byeatingnutsandseeds.4．(教材P57)Thedinosaursmight__have__been__killed(kill)byvolcaniceruptions.“情態(tài)動(dòng)詞＋havedone”結(jié)構(gòu)一般有兩個(gè)主要用法：一是表示對(duì)過(guò)去發(fā)生的動(dòng)作或狀態(tài)的推測(cè)，二是表示對(duì)過(guò)去發(fā)生的動(dòng)作的遺憾或責(zé)備。musthavedone的用法musthavedone表示對(duì)過(guò)去發(fā)生的事情的肯定推測(cè)，意為“一定做過(guò)……”，只用于肯定句中?！?陜西卷)Thechildrenmusthavegotlostinthewoods;otherwise,theywouldhavebeenatthelakesidecampasscheduled.孩子們一定在樹(shù)林中迷路了，要不然他們已經(jīng)按照計(jì)劃回到湖邊的營(yíng)地了。can/couldhavedone的用法1．can/couldhavedone多用于否定句和疑問(wèn)句中，表示對(duì)過(guò)去發(fā)生事情的推測(cè)?！?2016·浙江卷6月)Georgecan’thavegonetoofar.Hiscoffeeisstillwarm.喬治不可能走得太遠(yuǎn)。因?yàn)樗目Х冗€是熱的呢。◆(陜西卷)Mybook,TheHouseofHades,ismissing.Whocouldhavetakenit?我的書(shū)《哈迪斯之屋》不見(jiàn)了。會(huì)是誰(shuí)把它拿走了呢？2．couldhavedone用于肯定句中，表示“本來(lái)能夠做而沒(méi)有做”?！?北京卷)Wecouldhavefacedthedifficultytogether,butwhydidn’tyoutellme？ 我們本來(lái)可以共同面對(duì)困難，可你為什么不告訴我呢？may/mighthavedone的用法may/might(not)havedone表示對(duì)過(guò)去發(fā)生的事情的推測(cè)，意為“可能已經(jīng)(沒(méi)有)做過(guò)”，常用于肯定句和否定句中。might的可能性比may的還要小?！?江蘇卷)—Ileftmyhandbagonthetrain,butluckilysomeonegaveittoarailwayofficial.——我把手提包落在火車(chē)上了，但是，幸運(yùn)的是，有人把它交給了鐵路部的一名官員?！狧owunbelievabletogetitback!Imean,someonemighthavestolenit.——能重新找回來(lái)真是令人難以置信！我是說(shuō)，有人原本可能已經(jīng)偷走了它。oughtto/shouldhavedone的用法1．oughtto/shouldhavedone表示“本來(lái)應(yīng)該做，而實(shí)際沒(méi)做”?！?福建卷)—Sorry,Mum！Ifailedthejobinterviewagain.——對(duì)不起，媽媽?zhuān)∥夜ぷ髅嬖囉质×??！狾h,it’stoobad.Youshouldhavemadefullpreparations.——哦，太糟糕了。你本應(yīng)該做好充足的準(zhǔn)備。2．oughtn’tto/shouldn’thavedone表示“本來(lái)不應(yīng)該做，而實(shí)際做了”?！鬖ook,Tomiscrying.Ishouldn’thavebeensostrictwithhim.看，湯姆哭了，我本來(lái)不應(yīng)該對(duì)他如此嚴(yán)厲。needn’thavedone的用法needn’thavedone表示“本來(lái)不需要做而做了”?！?天津卷)Ineedn’thaveworriedbeforeIcametothenewschool,formyclassmateshereareveryfriendlytome.來(lái)新之前我本不必?fù)?dān)憂的，因?yàn)槲以谶@兒的同學(xué)對(duì)我非常友好。eq\a\vs4\al(Ⅰ)單句語(yǔ)法填空1．—Jerrymust__have__e(e)backbecausethewindowisopen.—Yes，buthemight__have__left(leave)itopenthismorning.2．—Mummy,Iclimbedtogettheteddybearfromthetopoftheshelf.—Mygoodness！Youmight__have__hurt(hurt)yourself.Youmustn’tdothatnexttime!3．—I’msorry.Ishouldn’t__have__shouted(notshout)atyoutheotherday.—Forgetit.Iwasabitoutofcontrolmyself.4．(江西卷)Weneedn’t__have__bought(notbuy)somuchfoodnowthatSuziewon’tbewithusfordinner.5．That’sreallybad.Youcould__have__caught(catch)thebusifyouhadbeeninahurry.6．(湖北卷)Youshouldn’t__have__interrupted(notinterrupt)themeetingtotellmethat;youcould__have__e(e)totellmeafterwards.7．—Wasityouthatmadethesuggestion?—Itmay/mighthavebeen.Ican’tremember.8．—CouldTomhaveetovisituswhenwewereinQingdao?—No，hecouldn’thavee，becausehehasbeenonbusinessinDalian.9．(全國(guó)卷Ⅱ)Sincenobodygavehimanyhelp,hemust__have__done(do)theresearchonhisown.10．Thedriverwhodiedintheaccidentcouldhave__survived(survive),buthedidn’twearaseatbelt.eq\a\vs4\al(Ⅱ)單句改錯(cuò)1．Mr.Smithmustn’thavegonetoBeijing,forIsawhiminthelibraryjustnow.mustn’t→can’t2．Thereisnolightintheroom.Maytheyhavegoneout？May→Can3．Theweatherturnedouttobefineyesterday.Ineedn’thavebeentakenthetroubletocarrymyumbrellawithme.去掉been4．Youcouldn’thavewokenmeup;Idon’thavetogotoworktoday.couldn’t→needn’t5．Wemusthavestudiedlastnight,butwewenttotheconcertinstead.must→shouldeq\a\vs4\al(Ⅲ)語(yǔ)法與寫(xiě)作1．昨晚一定下雨了，因?yàn)槁访婧苣酀?。Itmust__have__rained__last__night，fortheroadisquitemuddy.2．到處找不到他們，他們可能到什么地方去呢？Thereisnowheretofindthem.Wherecan__they__have__gone?3．約翰不在家，我想他可能去上學(xué)了吧。Johnisn’tathome.Ithinkhemay/might__have__gone__to__school．4．本來(lái)他能夠通過(guò)高考的，但是他太粗心了。Hecould__have