英語(yǔ)選修6學(xué)案Module1SectionⅡGrammardidntneedtodo和neednthavedone

SectionⅡGrammar——didn'tneedtodo和needn'thavedone[語(yǔ)法圖解][課文原句感知]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.[語(yǔ)法領(lǐng)悟](1)①②句中黑體部分表示“沒(méi)有必要做某事，而實(shí)際上也沒(méi)做”；③④句中黑體部分表示“本沒(méi)有必要做某事，而實(shí)際上卻做了”。(2)⑤⑥句中need為情態(tài)動(dòng)詞，而⑦⑧⑨句中need則為實(shí)義動(dòng)詞。(3)由⑥句可知，在回答帶有情態(tài)動(dòng)詞need的提問(wèn)時(shí)，肯定回答用must，否定回答用needn't或don't_have_to。(4)由⑩句可知，當(dāng)主語(yǔ)是表示“物”的名詞時(shí)，用作實(shí)義動(dòng)詞的need后接動(dòng)名詞的主動(dòng)形式表示被動(dòng)含義。即needdoing相當(dāng)于need_to_be_done。一、didn'tneedtodo與needn'thavedone的區(qū)別1．didn'tneedtodo表示過(guò)去沒(méi)必要做而事實(shí)上也沒(méi)做某事。need為實(shí)義動(dòng)詞。2．needn'thavedone表示過(guò)去沒(méi)有必要做某事，但實(shí)際上卻做了，常譯為“本沒(méi)有必要做……”。need為情態(tài)動(dòng)詞。Igotupearly,butIneedn'thavedoneso,becauseIhadnoworktodothatmorning.我起床起得很早，但我本來(lái)不必起那么早的，因?yàn)槲夷翘煸缟蠜](méi)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點(diǎn)鐘才起床。[名師點(diǎn)津]didn'tneedtodosth.僅僅陳述過(guò)去的情形；needn'thavedonesth.含有惋惜、遺憾、后悔等含義。[即學(xué)即練1](1)用所給詞的適當(dāng)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.他們不需要自己去做，所以他們提前回家了。⑦Weneedn't_have_so_hurried.Thereisstillanhourleft.我們本沒(méi)必要那么匆忙，還有一個(gè)小時(shí)的時(shí)間。⑧Wedidn't_need_to_take_a_taxi;_it'swithinwalkingdistance.我們不需要打出租車，步行就可以到達(dá)。二、need的基本用法1．need用作實(shí)義動(dòng)詞(1)need作實(shí)義動(dòng)詞時(shí)，后面可跟名詞、代詞、不定式、動(dòng)名詞及復(fù)合結(jié)構(gòu)。Youdon'tneedtoworryaboutme.你不必?fù)?dān)心我。Theybadlyneededachange.他們迫切需要一次變革。(2)當(dāng)need的主語(yǔ)與need后面的動(dòng)詞是動(dòng)賓關(guān)系時(shí)，動(dòng)名詞的主動(dòng)形式表示被動(dòng)含義，即needdoing相當(dāng)于needtobedone。Theflowersneedwatering/tobewatered.這些花需要澆水。[即學(xué)即練2](1)用所給詞的適當(dāng)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.既然你已經(jīng)知道了，我們就沒(méi)有必要保密了。⑤Thesestudentsbadlyneededanimprovementinself-confidence.這些學(xué)生迫切需要增強(qiáng)自信心。2．need用作情態(tài)動(dòng)詞(1)need表示“需要”或“必須”時(shí)，通常用于否定句和疑問(wèn)句?！狽eedyougososoon?—Yes,Imust.——你需要這么快就走嗎？——是的，我必須走了。Youneedn'tfinishthatworktoday.你今天不必把那項(xiàng)工作做完。Needhedothishouseworkfirst?他需要先做這些家務(wù)活嗎？(2)在need引起的一般疑問(wèn)句中，肯定回答用must，否定回答用needn't?！狽eedIanswerthequestion?—Yes,youmust./Yes,youhaveto./No,youneedn't.——我需要回答那個(gè)問(wèn)題嗎？——是的，你必須回答。/是的，你得回答。/不，不必了。[即學(xué)即練3](1)用所給詞的適當(dāng)形式填空①M(fèi)yroomisamess,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.——我明天需要來(lái)嗎？——是的，你必須來(lái)。/不，你沒(méi)必要來(lái)。⑤Youneedn't_eifyouarebusy.如果忙，你就不必來(lái)了。⑥IwonderifI_need_bring_a_camerawithme.我想知道是否需要帶相機(jī)。鏈接高考——單句語(yǔ)法填空1．(2018·江蘇)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