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SmallTalkModule1PART1语法导学PART2达标检测PeriodFourGrammar—Didn’tneedtodoandneedn’thavedonePART1语法导学感悟规律重点难点剖析感知以下课文原句，完成方框下的小题◆语法感知1.Webroughtsomefoodtothepartybuttherewastoomuch，soweneedn’thavebroughtany.2.MyfriendspokegoodMandarinsoIdidn’tneedtotranslatethespeechforhim.3.Theofficehadalreadyopenedwhenwearrivedsowedidn’tneedtowaitoutsideinthestreet.4.Igottothepartyat6p.m.buttherewasnoonethere，soIneedn’thavearrivedsoearly.5.Itoldthehostallaboutmyhometownandthenhetoldmehehadbeenthere.Ineedn’thavetoldhimanything.1.句2和句3中didn’tneedtodo表示“”；2.句1、句4和句5中needn’thavedone则表示“_________________________”。查看答案没必要，实际上也没有做某事虽然没有必要，但实际上已经做了某事need既可用作实义动词，也可用作情态动词。一、用作实义动词need用作实义动词时，和其他普通的实义动词一样，有时态、人称和数的变化，其否定式和疑问式要借助于助动词do/does/did。◆语法精析常用搭配needtodosth.有必要做某事needtobedone＝needdoing需要被做Weneedtosetoffatonce.我们需要马上出发。Theflowersneed花需要浇水了。tobewatered.watering.Doesyourfatherneedanyhelp?你爸爸需要帮助吗？Theydon’tneedtowaterflowersanymore.他们不必再浇花了。二、用作情态动词1.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？2.由need引出的一般疑问句，肯定回答常用must或haveto；否定答语常用needn’t/don’thaveto。—NeedIanswerthequestion?—Yes，youmust./Yes，youhaveto./No，youneedn’t./No，youdon’thaveto.——我需要回答那个问题吗？——是的，你必须回答。/不，你不必回答。三、didn’tneedtodo与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“虽然没有必要，但实际上已经做了某事”。试比较下列句子：1.Theydidn’tneedtodoitthemselves，sotheywenthomeinadvance.他们不需要自己去做，于是他们提前回家了。2.Therewasplentyoftimethen.Heneedn’thavehurried.当时时间很充足，他本不必匆匆忙忙的。上面两句话中：句1表明他们没必要自己做，实际上他们也没有自己做；句2表明虽然他没必要匆匆忙忙，但实际上与之相反。Ⅰ.单句语法填空1.Anothergroupoffolksisneeded(help)markettheevent.(2018·江苏)2.Whenyouneed(talk)tosomeone，don’tdoitinyourownoffice.(2017·全国Ⅱ)3.Inordertomakeachange，youneed(decide)whyit’simportant.(2017·全国Ⅲ)4.Theyneeded(arouse)onewayortheother，andtheypreferredgoodnewstobad.(2016·全国Ⅲ)◆高考链接查看答案tohelptotalktodecidetobearousedⅡ.完成句子1.ToearnaSpaceExplorationbadge，atraineemodelrockets.(2018·北京)为了得到太空探险徽章，参加培训的人需要建造火箭模型并给火箭模型点火。2.Myroomisamess，butIitbeforeIgoouttonight.Icandoitinthemorning.(2017·天津)我的房间很乱，不过今晚在我出去之前，我没必要打扫它。我可以在(明天)早晨打扫。3.Ilovetheweekend，becauseIearlyonSaturdaysandSundays.(2016·北京)我喜欢周末，因为每逢周六、周日我不需要早起。查看答案needstobuildandfireneedn’tcleanneedn’tgetup4.IbeforeIcametothenewschool，formyclassmateshereareveryfriendlytome.(2015·天津)在来到新学校前我本不必担心，因为在新学校我的同学对我很友好。5.—DidyouaskSophiaforhelp?—I—Imanagedperfectlywellonmyown.(2012·大纲全国Ⅱ)——你让索菲亚帮忙了吗？——我不需要——我自己就能做得很好。查看答案needn’thaveworrieddidn’tneedtoPART2达标检测当堂检测基础达标演练1.NeedI(pay)forthebrokenglass?2.Thehousebadly(need)acoatofpaint.3.IfIneedyou(come)andhelp，I’llcall.4.—MustItellMaryaboutit?—No，you(not，need).I’vetoldheralready.5.Yourclothesneed(wash).6.You(not，need)takeanumbrellaasIwillshareitwithyou.Ⅰ.单句语法填空查看答案payneedstocomeneedn’twashing/tobewashedneedn’t7.Wehadalreadybookedatableintherestaurant，sowedon’tneedtowaitinline.8.Igottothemeetingroomat10∶00am，buttherewasnoonethere，soIcouldn’thavearrivedsoearly.9.I’lllookafterhimtonight，soyouneedn’thavecometothehospital.Ⅱ.单句改错(每小题仅有1处错误)查看答案didn’tneedn’t查看答案10.Asaresultoftheseriousflood，twothirdsofthebuildingsintheareaneedrepair.11.Youdon’tneedworryaboutme.repairing∧to12.Iwateredtheflowersthismorning，butitrainedat9∶00am，soI_____________________(not，water)them.13.JohnwenttothestationwiththecartomeetMary，soshe____________________(not，walk)backhome.14.—HelenhasgonetoNewYork.—Well，she_________________(not，leave)herhometownforNewYork，becausethereareplentyofjobsavailable.查看答案Ⅲ.用didn’tneedtodo或needn’thavedone完成句子needn’thavewatereddidn’tneedtowalkneedn’thaveleft15.Weweretoldthattheflighthadbeenputoffwhenwearrivedattheairport，sowe(not，arrive)heresoearly.16.IwasalittlenervouswhenIannouncedmyengagementtoGrace，butitturnedoutthatI(not，worry).查看答案needn’thavearrivedneedn’thaveworried