文本内容:
2019-2020年高中英语Module1SmallTalkVocabulayGrammar学案外研版选修6学习目标学习和区别didn’tneedtodo和needn’thavedone的用法,提高语言运用能力学习方法指导通过复习知识点,高考链接的训练对该语法进行巩固和熟练应用学习过程Ⅰ.
1.本模块提到了need表示“过去不必做某事”的表达方法didn’tneedtodo和needn’thavedone这两种结构都可以表示过去不必做某事但didn’tneedtodo表示“没必要实际上也没有做某事”;而needn’thavedone则表示“本没有必要但实际上已经做了某事”比较:
①Theydidn’tneedtodoitthemselvessotheywenthomeinadvance.
②Theydidnotneedtogotoschoolsotheywentcampingtogether.
③Ididn’tneedtogetupearlythismorningsoIstayedinbeduntil9a.m.上面三句话中
①表明他们没必要自己做实际上他们也没有自己做;
②表明我们没有去上课;
③表明实际上“我”没有早起
①Asitturnedouttobeasmallhousepartyweneedn’thavedressedupsoformally.
②—Mr.Smithdidn’telastnightdidhe—No.Weneedn’thavewaitedforhim.Awholenightwaswasted.
③Youneedn’thavesaidthatwhenheasked.以上三句话中
①表明虽然没有必要正式着装但实际上打扮得都很正式;
②表明虽然没必要等史密斯先生但实际上等了一晚上;
③表明当他问的时候实际上说了
2.“need”既可以作情态动词也可以作实义动词1“need”作为情态动词的用法:
①need表示“需要”或“必须”通常用于否定句和疑问句如:Youneedn’tdoitagain.
②needn’t后的不定式间或也能用进行式或被动语态如:Weneedn’tbewaitinginthisplace.Thehedgesneedn’tbetrimmedthisweek.本周树蓠不必要整修2“need”作为实义动词时通常用法是:
①人+need+todoWeneedtocollecttheparcelbeforeweleaveforEngland.
②物+need+doingTheflowersneedwatering.
③物+need+tobedoneHisleathershoesneedstobemended.
④另外“need”后还可以直接跟名词Itisaquestionthatneedsverycarefulconsideration.Ⅱ.情态动词+have+done1musthavedone可用来对某件过去的事情作__________推测,表示“一定已经,想必已经”做过某事,用于肯定的陈述句中否定句中用__________ShemusthavereceivedtheparcelIsentitbyregisteredpost.2mayhavedonemighthavedonecouldhavedone“___________________________”,就语气而言couldhavedone所表的可能性更小些Hemay/might/couldhaveleftbynine.他可能于九点前已离去3shouldhavedone/oughttohavedone表示“____________________”但实际未做Ishould/oughttohaveleftLondonbeforeninebutIdidnt.4shouldnthavedone/oughtnttohavedone表示“_____________”,但实际上又做了Heshouldnt/oughtnttohaveleftLondonbeforeninebuthedid.5cant/couldnthavedone表否定推测,“_____________”Shecant/couldnthavegonetobedforthelightinherroomisstillon.6couldhavedone可表示客观上“____________________”表示遗憾Hecouldhavefinishedtheworkintimebuthedidntworkhard.7IneednthavegonetotheofficeyesterdaybutIwentthere.8mighthavedone还可表示过去“本可能发生但实际上没有发生的动作”用于表示说话人对已发生事提出批评或意见Hemighthavegivenmorehelpevenifhewasverybusy.Ⅲ.高考例析
1.SorryImlate.I________haveturnedoffthealarmclockandgonebacktosleepagain.A.might B.should C.can D.will
2.Iwasreallyanxiousaboutyou.You_________homewithoutaword.(01全国)A.mustntleaveB.shouldnthaveleftC.couldnthaveleftD.needntleave
3.—I’lltellMaryabouthernewjobtomorrow.—You________herlastweek.(04福建)A.oughttotellB.wouldhavetoldC.musttellD.shouldhavetold
4.—Tomgraduatedfromcollegeataveryyoungage.—Ohhe______havebeenaverysmartboythen.(04全国IV)A.couldB.shouldC.mightD.must
5.He_______havepletedhiswork;otherwisehewouldntbeenjoyinghimselfbytheseaside.A.shouldB.mustC.wouldntD.cant
6.—DoyouknowwhereDavidisIcouldntfindhimanywhere.—Well.Hehavegonefar—hiscoatsstillhere.(05湖北卷)A.shouldntB.mustntC.cantD.wouldnt
7.—ThewomanbiologiststayedinAfricastudyingwildanimalsfor13yearsbeforeshereturned.—Ohdear!She_______alotofdifficulties!05江苏卷A.maygothroughB.mightgothroughC.oughttohavegonethroughD.musthavegonethrough
8.Ihavelostoneofmygloves.I________itsomewhere.(05北京春季)A.mustdropB.musthavedroppedC.mustbedroppingD.musthavebeendropped
9.Mr.White_____at8:30forthemeetingbuthedidntshowup.A.shouldhavearrivedB.shouldarriveC.shouldhavehadarrivedD.shouldbearriving
10.Hepaidforaseatwhenhe______haveenteredfree.(05山东卷)A.couldB.wouldC.mustD.needIV.反思小结______________________________________________________________
11.—Tomisneverlateforwork.Whyisheabsenttoday—Something______tohim.A.musthappenB.shouldhavehappenedC.couldhavehappenedD.musthavehappened
12.I_______havebeenmorethansixyearsoldwhentheaccidenthappened.(05天津卷)A.shouldntB.couldntC.mustntD.neednt
13.Thiscakeisverysweet.You__________alotofsugarinit.(05辽宁卷)A.shouldputB.couldhaveputC.mightputD.musthaveputABDDBCDBAADBD。