英语选修6学案Module1SectionⅡGrammardidntneedtodo和neednthavedone

SectionⅡGrammar——didn'tneedtodo和needn'thavedone[语法图解][课文原句感知]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.[语法领悟](1)①②句中黑体部分表示“没有必要做某事，而实际上也没做”；③④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为情态动词，而⑦⑧⑨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must，否定回答用needn't或don't_have_to。(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need_to_be_done。一、didn'tneedtodo与needn'thavedone的区别1．didn'tneedtodo表示过去没必要做而事实上也没做某事。need为实义动词。2．needn'thavedone表示过去没有必要做某事，但实际上却做了，常译为“本没有必要做……”。need为情态动词。Igotupearly,butIneedn'thavedoneso,becauseIhadnoworktodothatmorning.我起床起得很早，但我本来不必起那么早的，因为我那天早上没什么事做。Ididn'tneedtogetupearlythismorning,soIstayedinbeduntil9am.今天早上我不必早起，所以我一直睡到上午九点钟才起床。[名师点津]didn'tneedtodosth.仅仅陈述过去的情形；needn'thavedonesth.含有惋惜、遗憾、后悔等含义。[即学即练1](1)用所给词的适当形式填空①Heneedn't_have_told(tell)meaboutit.I'vebeentoldalready.②Ididn't_need_to_ring(ring)thebell,becausethedoorwasopenwhenIgottoit.③Wewenttothestationbytaxi.Butweneedn't_have_done(do)so;itwassonear.④—Youdidn'twearthethicksweater,didyou?—Yes,butIneedn't_have_worn(wear)it.Itturnedouttobequitewarm.⑤Ididn't_need_to_go(go)totheofficeyesterdaysoIwentshoppingwithmymother.(2)完成句子⑥Theydidn't_need_to_do_it_themselves,_sotheywenthomeinadvance.他们不需要自己去做，所以他们提前回家了。⑦Weneedn't_have_so_hurried.Thereisstillanhourleft.我们本没必要那么匆忙，还有一个小时的时间。⑧Wedidn't_need_to_take_a_taxi;_it'swithinwalkingdistance.我们不需要打出租车，步行就可以到达。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。[即学即练2](1)用所给词的适当形式填空①Theroomneedscleaning/to_be_cleaned(clean),butIhavetimeonlyonSunday.②Theydidn'tneedto_arrive(arrive)soearly.③DrSmithsaidthatheneeded(need)nopaymentforhisjourney.(2)完成句子④Sinceyouknowitalready,wedon'tneedtokeepitasecret.既然你已经知道了，我们就没有必要保密了。⑤Thesestudentsbadlyneededanimprovementinself­confidence.这些学生迫切需要增强自信心。2．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，我必须走了。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。[即学即练3](1)用所给词的适当形式填空①Myroomisamess,butIneedn't(notneed)cleanitbeforeIgoouttonight.②—MustItellMaryaboutit?—No,youneedn't(notneed).I'vetoldheralready.③NeedIpay(pay)forthebrokenglass?(2)完成句子④—NeedIetomorrow?—Yes,you_must./No,you_needn't.——我明天需要来吗？——是的，你必须来。/不，你没必要来。⑤Youneedn't_eifyouarebusy.如果忙，你就不必来了。⑥IwonderifI_need_bring_a_camerawithme.我想知道是否需要带相机。链接高考——单句语法填空1．(2018·江苏)It'sstrangethatheshouldhavetakenthebookswithouttheowners'permission.2．(2018·天津)Ican'tfindmypurse,Icould/might_have_left(leave)itinthesupermarketyesterday,butI'mnotsure.3．(2017·北京)Samuel,thetallestboyinourclass,caneasilyreachthebooksonthetopshelf.4．(2016·北京)Ilovetheweekend,becauseIneedn'tgetupearlyonSaturdaysandSundays.5．(2015