2019-2020学年高中英语 Module 1 Small Talk Section Ⅱ Gram

-1-SectionⅡGrammar——need的基本用法课前自主预习[例句·体验]1．I'veorderedsomepizza,soweneedn'tworryaboutcookingwhenwegethometired.我已经预订了一些披萨饼，所以当我们到家感到累的时候就不必担心做饭的事了。2．Icouldn'thaveenjoyedmyselfmore—itwasaperfectday.我从没有玩得这么开心过——真是完美的一天。3．Weneedn'thaveboughtsomuchfoodnowthatSuziewon'tbewithusfordinner.既然苏西不和我们一起吃晚饭，我们本没必要买这么多的食物。4．ThereisnoclassonSunday.Youneedn'thavewokenmeupsoearly.星期天不上课，你本不必这么早叫醒我的。5．ItwasaninformalpartysoIdidn'tneedtowearasuit.这不是个正式晚会，所以我没有必要穿正装。6．Iboughtsomefruitshomebutmywifehadboughtalotofthem,soIneedn'thaveboughtany.我买了一些水果，但我的妻子已经买了很多，因此我本不必买的。7．Needyouhavepaidsomuch?你用得着花那么多钱吗？8．Ididn'tneedtotakethebusbecauseIdrovethecar.我没必要乘公交车因为我开车了。课堂合作探究[语法·讲座]1．用作实义动词，后可接名词、代词、不定式和动名词，有时态、人称和数的变化。MarkneedstolearnChinesesincehiscompanyisopeningabranchinBeijing.-2-马克需要学习汉语，因为他的公司要在北京开一个分公司。Thedoctorsaidheneededanoperation.医生说他需要手术。名师点津当主语是表示“物”的名词时，用作实义动词的need后接动名词的主动形式表示被动含义。needdoing＝needtobedone。Adogneedstakingout/tobetakenoutforawalkeveryday.狗得每天带出去遛。2．用作情态动词，后接动词原形，常用于否定句和疑问句中。Youneedn'tfinishthatworktoday.你今天不必把那项工作做完。Needhecomehere?他有必要来吗？★归纳·拓展在回答带有need的问句时，肯定回答用must，否定回答用needn't或don'thaveto。—NeedIfinishtheworkbeforeten？我需要在10点前完成工作吗？—Yes,youmust.是的，你必须。—No,youneedn't/don'thaveto.不，你不必。3.didn'tneedtodo和needn'thavedonedidn'tneedtodo表示过去没必要做某事，实际上也没做。needn'thavedone表示过去没必要做某事，而实际上做了。Mary'sboyfrienddrovetopickherup,soshedidn'tneedtotakeataxi.玛丽的男朋友开车去接她，因此她没必要打出租了。ItwasSunday,soIdidn'tneedtogetupearly.因为是星期天，所以我没必要早起。Youneedn'thavetoldhimthenews.Hehadalreadyknownit.你没必要告诉他那个消息，他早已知道了。Ineedn'thavecookedsomuchfood,butIdidn'tknownobodywashungry.我本没必要弄那么多吃的，但我当时不知道谁也不饿。★归纳·拓展情态动词＋havedone的几种形式及其意义：对过去的推测musthavedone肯定做过……mighthavedone或许做过……can't/couldn'thavedone不可能做过……-3-表示抱怨、埋怨、后悔shouldhavedone应该做而没做couldhavedone本来能做但没有做needn'thavedone没必要做而做了wouldliketohavedone希望已经做了但没做Itmusthaverainedlastnight,forthegroundisstillwet.昨晚肯定下雨了，地面还是湿的。(对过去的肯定推测)Ican'tfindmypursenow.Imighthaveleftitinthetaxi.我的钱包找不到了，我可能把它忘在出租车里了。(对过去的推测，也许/或许做了……)Youcouldn'thaveknownabouthimtenyearsago,whenhewasstillunknown.十年前你不可能了解他，那时他还不出名。(对过去的推测，不可能做过……)Youcouldhaveusedmycaryesterday.Ididn'tuseit.你昨天本可以用我的汽车。我用不着它。(过去本来能做某事，但没有做到)Oh,Mom!Youneedn'thavepreparedsomuchfood.DadandDianawillnotcomebackforsupper.哦，妈妈！你本不必做这么多饭。爸爸和戴安娜不回家吃晚饭了。(过去不必做但做了某事)[课堂·总结演练]Ⅰ用didn'tneedto或needn'thavedone改写句子1.Thankyouforhelpingme—butitwasn'tnecessary.You________________________________________.答案：needn'thavehelpedme2．Iwasworriedthatnoonewouldcometomybirthdaypartybutnearly100colleaguescame.I________________________________________.答案：needn'thaveworriedthatnoonewouldcometomybirthdayparty3．Ididn'tbuyflowersforthehostfamilybecausemybrotherhadalreadyboughtsome.I________________________________________.答案：didn'tneedtobuyflowersforthehostfamily4．Myfriendstayedinahotelfortheweek,buthecouldhavestayedinmyflat.Myfriend________________________________________.答案：needn'thavestayedinahotelfortheweekⅡ单句写作-4-1．JohnwenttothestationwiththecartomeetMary,soshe____________________(本来没必要步行)backhome.答案：needn'thavewalked2．I____________________(不必早起床)thismorning,soIstayedinbeduntil9am.答案：didn'tneedtogetupearly3．You____________________(本不需要去)thereyesterday.答案：needn'thavegone4．Yourclothes____________________(需要洗了)．答案：needwashing/tobewashed5．You____________________(不必费神去问)Rick—Iknowhe'stoobusy.答案：needn'tbotherasking演练通关提升[夯实·基础知识]Ⅰ单句语法填空1．Hedidnotregretsayingthatbutfeltthathe________(express)itdifferently.答案：couldhaveexpressed2．She________haveleftschool,forherbikeisstillhere.答案：couldn't3．Igottothepartyat6pm,buttherewasnoonethere,soI________(arrive)soearly.答案：needn'thavearrived4．Itwasfineyesterday,soIdidn'tneed________(take)thetroubletocarrymyraincoatwithme.答案：totake5．Jenny________(hear)abouttheaccident;otherwise,shewouldn'tbeinsuchlowspirits.答案：musthaveheard6．Whentheforeignguestarrived,IfoundhimspeakinggoodChinese.I________(translate)hisspeechintoChinesethenightbefore.答案：needn'thavetranslated7．—CanyouimagineMikefinishingthetoughjobonlyin2hours?—He________(do)itallbyhimself.Idaresayeventhreepeoplecan'tdoitinoneday.-5-答案：couldn'thavedone8．Asitturnedouttobeasmallhouseparty,we________(dress)upsoformally.答案：needn'thavedressed9．—Jennytookthe8：00bustoShanghaithismorning.—Really?She________(take)the9：00train.It'smuchmorecomfortableandsafertotravelbytrain.答案：couldhavetaken10．Ididn'tneed________(go)tothebankjustnow—Marylentmethemoney.答案：togoⅡ单句改错1．—MustIfinishalltheworkbeforenoon?—No,youmustn't.________________________________________答案：mustn't→needn't2．Itoldmyteacherwhathadhappenedandthenhetoldmehehadknownit.Ineedn'thadtoldhimanything.________________________________________答案：第三个had→have3．MyclassmatespokeEnglishwellsoIdidn'tneedtranslatetheconversationforher.________________________________________答案：translate前加to4．Needhetodothishomeworkfirst?________________________________________答案：去掉to5．Ineedtocutthegrassmyself,forIknewmybrotherhaddoneit.________________________________________答案：need前加didn'tⅢ单句写作1．我们有许多面包，因此我不需要再买一条了。Wehadplentyofbread,soI____________________anotherloaf.答案：didn't