高中英语ModuleSmallTalkSectionⅢGrammardidn’tneedtodo和n

Section_ⅢGrammar—didn’tneedtodo和needn’thavedone语法图解探究发现①Ididn’tneedtogetavisa.②ItwasaninformalpartysoIdidn’tneedtowearasuit.③Youneedn’thavespokensoslowly.④Youneedn’thavewateredtheflowers,forit’sgoingtorain.⑤Youneedn’tworryaboutsituationsliketheseifyouhavegoodsocialskills.⑥—NeedIdothehomeworkfirst?—Yes,youmust./No,youneedn’t/don’thaveto.⑦IneedtoknowwhatIcantalkaboutwiththeChinesepeoplethatImeet.⑧Youdon’tneedtotakeagift.⑨DoIneedtoleavemytelephonenumberandaddress?⑩Thedoorneedsoiling.＝Thedoorneedstobeoiled.[我的发现](1)句中黑体部分表示“没有必要做某事，而实际上也没做”；句中黑体部分表示“本没有必要做某事，而实际上却做了”。(2)⑤⑥句中need为，而句中need则为实义动词。(3)由⑥句可知，在回答带有情态动词need的提问时，肯定回答用，否定回答用或。(4)由⑩句可知，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。即needdoing相当于。①②③④情态动词⑦⑧⑨mustneedn’tdon’thavetoneedtobedone一、didn’tneedtodo与needn’thavedone这两个结构都表示“过去不必做某事”，didn’tneedtodo通常表示“不必去做某事”，实际上也没做此事；而needn’thavedone则表示“本不必做某事”，从其言外之意可看出，此事已经做了。Ididn’tneedtogotoschoolthisSunday,soIdidn’tgetupuntil9a．m.我这个星期天不必上学，因此我直到早上九点才起床。(我没去学校)Ineedn’thavegonetoschooltoday,foritwasSundaytoday.今天我本不必去上学的，因为今天是星期天。(我去过学校)[即时演练1]完成句子①They,sotheywenthomeinadvance.他们不需要自己去做，所以他们提前回家了。②We.Thereisstillanhourleft.我们本没必要那么匆忙，还有一个小时的时间。③We;it’swithinwalkingdistance.我们不需要打出租车，步行就可以到达。didn’tneedtodoitthemselvesneedn’thavesohurrieddidn’tneedtotakeataxi二、need的基本用法1．need用作实义动词(1)need作实义动词时，后面可跟名词、代词、不定式、动名词及复合结构。Youdon’tneedtoworryaboutme.你不必担心我。Theybadlyneededachange.他们迫切需要一次变革。(2)当need的主语与need后面的动词是动宾关系时，动名词的主动形式表示被动含义，即needdoing相当于needtobedone。Theflowersneedwatering/tobewatered.这些花需要浇水。[即时演练2]用所给词的适当形式填空①Theroomneeds(clean),butIhavetimeonlyonSunday.②Theydidn’tneed(arrive)soearly.③DrSmithsaidthathe(need)nopaymentforhisjourney.cleaning/tobecleanedtoarriveneeded2．need用作情态动词(1)need表示“需要”或“必须”时，通常用于否定句和疑问句。—Needyougososoon?—Yes,Imust.——你需要这么快就走吗？——是的，必须。Youneedn’tfinishthatworktoday.你今天不必把那项工作做完。Needhedothishouseworkfirst?他需要先做这些家务活吗？(2)在need引起的一般疑问句中，肯定回答用must，否定回答用needn’t。—NeedIanswerthequestion?—Yes,youmust./Yes,youhaveto./No,youneedn’t.——我需要回答那个问题吗？——是的，你必须回答。/是的，你得回答。/不，不必了。[即时演练3]完成句子①—NeedIcometomorrow?—Yes,./No,.——我明天需要来吗？——是的，你必须来。/不，你没必要来。②Youifyouarebusy.如果忙，你就不必来了。③Iwonderifwithme.我想知道是否需要带相机。youmustyouneedn’tneedn’tcomeIneedbringacameraⅠ.用所给词的适当形式填空1．Hewasstudyingatschool,sohe(notneed)toserveinthearmy.2．Itoldmyteacherwhathadhappenedandthenhetoldmehehadknownit.Ineedn’t(tell)himanything.3．MyclassmatespokegoodEnglishsoIdidn’tneed(translate)theconversationforher.didn’tneedhavetoldtotranslate4．—MustItellMaryaboutit?—No,you(notneed).I’vetoldheralready.5．Whatapity!Youcouldhaveenteredfree—youneedn’t(buy)aticket.6．Thehousebadly(need)acoatofpaint.7．IfIneedyou(come)andhelpI’llcall.8．NeedI(pay)forthebrokenglass?needn’thaveboughtneedstocomepayⅡ.单句写作1．(2014·重庆高考改编)I’veorderedsomepizza,sowhenwegethometired.我已经订好了一些比萨，因此当我们疲惫不堪地回到家时，不必担心做饭的事情。2．(2014·湖南高考改编)—I’vepreparedallkindsoffoodforthepicnic.—Doyoumeanwithus?——我已经为这次野餐准备了各种各样的食物。——你的意思就是我们没有必要带任何东西了吗？weneedn’tworryaboutcookingweneedn’tbringanything3．Isoearlybecauseshedidn’tarriveuntil10.我本来没必要那么早到那儿，因为她10点才到。4．I;onlyfivepeoplecame.我本不必买这么多食物，只有五个人来。5．Yourclothesneed.你的衣服需要洗了。6．andIwillshareitwithyou.你不需要带雨伞，我会和你共用一把。needn’thavegotthereneedn’thaveboughtsomuchfoodwashing/tobewashedYouneedn’ttakeanumbrellaⅢ.短文改错Apersonwhoweshouldlearnfromdoesn’tneedberichorfamous.Itcouldbethepeoplewelivewiththem.Forme,it’smyfather.IstillrememberthedayswhenIwaschild.Althoughhehadplentyofworkstodo,buthestillstayedwithmeandplayedchildren’sgameswithme.Withtimegoby,I’minSenior3now.Itismewhohavenotimetostaywithhimnow!However,heisstillbehindmeandtryhisbesttomakeabetterlifeforourfamily.Howhandsomeandselflesslyheis!Iamreallyverygratefulforhim.Inmymind,heisnotonlymyfather,butalsoaherowithme!答案：第一句：need后加to第二句：去掉them第四句：child前加a第五句：works→work;去掉but第六句：go→going第七句：me→I第八句：try→tries/trying第九句：selflessly→selfless第十句：for→to