高中英语 Module 1 Small Talk Section Ⅲ Grammar——need的用法教案（含解析）外研版选修6-外研版高二选修6英语教案VIP免费

SectionⅢGrammar——need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/to_be_washed(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．Hewasstudyingatschool,sohedidn'tneedserveinthearmy.serve前加to3．Ilovetheweekend,becauseIneedn'ttogetupearlyonSaturdaysandSundays.去掉to4．—NeedIpayacertainamountofmoneytouseyourtelephone?—Yes,youneed.第二个need→must5．Ididn'tneedtakeataxitotheairportlastFridaybecausemyfathersentmethereusinghiscar.need后加to6．Youneedn'tcomehereinperson;aletterwouldhavebeenenough.come前加have7．Wemustn'thaveboughtsomuchfoodnowthatSuziewon'tbewithusfordinner.mustn't→needn't8．Igottothemeetingroomat10o'clock,buttherewasnoonesoIcouldn'thavearrivedsoearly.couldn't→needn't9．Ididn'tneedgotothebankafterall—Marylentmethemoney.need后加to10．Ineedn'tputforwardmyideatomymanager，becausehetoldmethathehadhadabetterone.put前加have