Module1SmallTalkneed的用法语境自主领悟先观察原句后自主感悟1.Inaddition,youneedtoknowhowlongyoushouldstay,andwhenyouhavetoleave.2.Youneedn'tworryaboutsituationsliketheseifyouhavegoodsocialskills.3.Insomecountries,forexample,youhavetoarriveontimeataparty;inothercountries,youdon'tneedto.4.MyAmericanfriendTomspokegoodChinese,soIdidn'tneedtotranslatethespeechforhim.5.Iwasthefirsttogothere.Ineedn'thavegonetheresoearly.1.句1、句3和句4中的need为实义动词，后接动词时需加不定式符号to；句2和句5中的need为情态动词。2.句4中didn'tneedtodo表示“过去没必要做，实际上也没做某事”；句5中needn'thavedone表示“过去没必要做，实际上却做了某事”。一、need的基本用法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。Myfatherneedsthreementohelphim.我的父亲需要三个人帮助他。Thedoctorsaidheneededanoperation.医生说他需要手术。Youdon'tneedtoworryaboutme.你不必为我担心。[名师点津]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。Theroomneedscleaning/tobecleaned,butIonlyhavetimeonSunday.房间需要打扫，但我只有周日有空。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。Needhedohishomeworkfirst?他需要先做作业吗？3．由need引起的一般疑问句中，肯定回答用must或haveto，否定回答用needn't或don'thaveto。—NeedIanswerthequestion?——我需要回答那个问题吗？—Yes,youmust(haveto)．/No,youneedn't(don'thaveto)．——是的，你必须回答。/不，不必了。[即时训练1]完成句子①Heisonlyametertall,sohedoesn'tneed(不需要)aticket.②Weneedtomakesure(需要确保)thatourplanwillbewellcarriedout.③Youneedn't/don'tneedtowatertheflowers(没必要浇花)becauseit'sgoingtorain.二、didn'tneedtodo与needn'thavedonedidn'tneedtodo表示“过去没必要做某事，实际上也没做”；而needn'thavedone则表示“本不必做某事，但实际上已经做了”。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。(我不必上学，也没去学校)It'squitewarmtoday.Youneedn'thavewornyourcoat.今天很暖和，你本不必穿大衣的。(你本不必穿大衣，但却穿了)[即时训练2]完成句子①Youneedn'thavehurried(不必这么匆忙)，thereisplentyoftime.②Ididn'tneedtogototheoffice(不必去办公室)yesterdaysoIwantedshoppingwithmymother.Ⅰ.单句语法填空1．Heneeds(need)towinthisgametostayinthematch.2．Theshirtneedswashing/tobewashed(wash)．3．It'sobviousthatthegardenneedswatering/tobewatered(water)．4．Whatapity!Youcouldhaveenteredfree—youneedn'thavebought(buy)aticket.5．Dr.Smithsaidthatheneeded(need)nopaymentforhiswork.6．Wedon'tneedtoget(get)intoanargumentoverthis.7．ShespokegoodEnglish，soIdidn'tneedtotranslate(translate)theconversationforher.8．Youneedn'thavewritten(write)suchalongarticle.Threehundredwordsareenough.9．ItwasSunday，somyeightyearoldsondidn'tneedtogo(go)toschool.10．Shehasbeenwaitingherefornearlyanhour.Sheneedn'thavearrived(arrive)soearly.Ⅱ.单句改错1．Thehousebadlyneedacoatofpaint.need→needs2．Ilovetheweekend,becauseIneedn'ttogetupearlyonSaturdaysandSundays.去掉to3．—NeedIpayacertainamountofmoneytouseyourtelephone?—Yes,youneed.第二个need→must4．Youneedn'tcomehereinperson;aletterwouldhavebeenenough.come前加have5．Igottothemeetingroomat10o'clock,buttherewasnoonesoIcouldn'thavearrivedsoearly.couldn't→needn'tⅢ.完成句子1．我的房间里乱糟糟的，不过我今天晚上出门之前没必要打扫，我可以(明天)早晨打扫。Myroomisinamess，butneedn'tcleanitbeforeIgoouttonight.Icandoitinthemorning.2．我已经订好了一些比萨饼，因此当我们又累又饿的回到家时，不必担心做饭的事情。I'veorderedsomepizzas，soweneedn'tworryaboutcookingwhenwegethome，tiredandhungry.3．我本来没必要那么早到那儿，因为她上午10点才到。Ineedn'thavegottheresoearlybecauseshedidn'tarriveuntil10：00a．m.4．我本不必买这么多食物，只有五个人来。Ineedn'thaveboughtsomuchfood；onlyfivepeoplecame.5．你的衣服需要洗了。Yourclothesneedwashing/tobewashed．
