Unit5Workingtheland（原卷版）-2021學(xué)年高二英語上冊(cè)鏈接教材精準(zhǔn)變式練（人教版2019）-1VIP

重點(diǎn)語法Unit5（原卷版）20212022學(xué)年高二英語上冊(cè)鏈接教材精準(zhǔn)變式練（人教版2019）教材教材重點(diǎn)語法知識(shí)鏈接及典例解讀主語從句體會(huì)下面教材中句子的語法特征并說明畫線詞在句中所作的成分However,whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.Howthiscouldbedonewasachallengingquestionatthetime.3.Today,itisestimatedthatabout60percentofdomesticriceconsumptioninChinaisprisedofcropsgeneratedfromYuan'shybridstrains.4.WhatYuanLongpingreallycaredaboutwasnotmoneyorcelerity.一、概念在句中充當(dāng)主語的從句稱為主語從句。英語中帶有主語從句的句型可分為兩大類：一是直接將主語從句放在主語的位置上；二是用it作形式主語，將真正的主語從句后移，放在其他成分之后。從句作主語時(shí)，謂語動(dòng)詞一般用單數(shù)形式(what從句作主語時(shí)，如果含有復(fù)數(shù)概念時(shí)，謂語動(dòng)詞可用復(fù)數(shù)形式)。Thatmathematicsisthebaseofotherscienceisknowntoallofus.Itisknowntoallofusthatmathematicsisthebaseofotherscience.眾所周知數(shù)學(xué)是其他科學(xué)的基礎(chǔ)。二、類型1．that，whether引導(dǎo)的主語從句：連詞只起連接作用，在從句中不充當(dāng)句子成分，可用it作形式主語代替。Thathewonthegamemadeatremendousstirinourcountry.他贏得比賽一事在我國引起了巨大轟動(dòng)。Whetheritwilldousharmorgoodremainstobeseen.此事對(duì)我們有害還是有利還有待于看一看。Itdependsonhowhardheworkswhetheronecansucceed.一個(gè)人能否成功取決于他工作努力的程度。[溫馨提示]if有時(shí)也可引導(dǎo)主語從句，但只能用it作形式主語，if從句后置。Itisdoubtfuliftheywille.他們是否會(huì)來值得懷疑。2．連接代詞what(ever)，which(ever)，who(ever)，whom(ever)，whose引導(dǎo)的主語從句：這類連詞除起連接作用外，還在從句中充當(dāng)一定的句子成分，可作主語、賓語、表語或定語。Whatshedidafterthatisnotcleartous.那之后她做了什么我們不清楚。Whateverisworthdoingatallisworthdoingwell.凡是值得做的事都值得好好地做。Whichofallthosewaysisthebestisuncertain.所有那些方法中哪一個(gè)最好還不能肯定。Whomwemustserveisaquestionofvitalimportance.我們應(yīng)當(dāng)為誰服務(wù)是一個(gè)極為重要的問題。Whosecarelessnessspoilttheworkmustbemadeclear.必須查清是誰的粗心破壞了工作。Itisstillopentoquestionwhoistoheadthegroup.誰領(lǐng)導(dǎo)這個(gè)小組還未決定。3．連接副詞when，where，how，why引導(dǎo)的主語從句：這類連詞在從句中常作狀語，也可用it作形式主語代替。Whenandwherethemeetingwilltakeplacehasnotbeendecidedyet.開會(huì)的時(shí)間和地點(diǎn)還未決定。Whyhediditwillremainapuzzleforever.他做此事的原因?qū)⒂肋h(yuǎn)是個(gè)謎。Itisnotclearhowaccuratetheresultsare.這些結(jié)果的精確程度還不清楚。三、it作形式主語的主語從句1．Itis/was＋形容詞＋主語從句Itisquiteclearthatthecrimehasbeendonedeliberately.十分明顯這是故意犯罪。Itwasclearenoughwhatshemeant.她的意思已經(jīng)夠清楚了。Itisuncertainwhyhedeniedthecharge.不確定他為什么否認(rèn)了指控。2．Itis/was＋名詞＋主語從句Itisagoodthingthatwedomorningexerciseseveryday.我們每天做早操是件有益的事。Itisapletemysterywhatcausedtheaccident.是什么引起了這場(chǎng)事故完全是個(gè)謎。It’snotmybusinesshowshechoosestolive.她選擇什么樣的生活不關(guān)我的事。3．Itis/was＋過去分詞＋主語從句Itisrequiredthatthemachineshouldbemaintainedatregularintervals.機(jī)器需要定期維修。Itisnotyetknownwhethertheywillsendadelegationtotheconference，butwehopetheywill.還不了解他們是否會(huì)派代表團(tuán)來參加會(huì)議，但是我們希望他們派團(tuán)來。Hasitbeendecidedwherewearetoholdthemeeting?決定了我們開會(huì)的地點(diǎn)了嗎？4．It＋不及物動(dòng)詞＋主語從句IthappenedthatIwasn’ttherethatday.碰巧那天我不在那里。Itdoesn’tmatterwhatshelookslike.她的外表怎么樣并不重要。5．Itis/was＋介詞短語＋主語從句Itisofgreatimportancewhetherwecanimproveourscientificresearchornot.我們能否提高我們的科學(xué)研究是極為重要的。[溫馨提示]在Itisimportant/necessary/natural/essential/impossible...＋that從句和Itisdemanded/suggested/required/requested/proposed...＋that從句中，從句的謂語動(dòng)詞用虛擬語氣，即(should)do形式。Itisnecessarythatascientificworker(should)knowforeignlanguages.科學(xué)工作者必須精通外語。Itisdesiredthatremotecontrol(should)beintroducedinthissystem.有人想要把遙控裝置引進(jìn)該系統(tǒng)。四、主語從句中應(yīng)注意的問題1．從句要用陳述語序Whatwewilldonextshouldbedecided.應(yīng)該決定一下我們下一步該做什么。2．主謂一致(1)從句作主語時(shí)，主句的謂語一般用單數(shù)形式。Wherehewillgetajobaftergraduationhaspuzzledhimmuch.畢業(yè)后到哪兒找份工作使他很困惑。[溫馨提示]what引導(dǎo)主語從句時(shí)，有時(shí)主句的謂語動(dòng)詞應(yīng)與主句中作表語的名詞保持一致。Whattheschoolneedsmostarebooks.這所學(xué)校最需要的是書。(2)如果由and連接兩個(gè)或兩個(gè)以上的主語從句作主語時(shí)，謂語動(dòng)詞用復(fù)數(shù)；由兩個(gè)或多個(gè)連接詞引導(dǎo)一個(gè)主語從句時(shí)，謂語動(dòng)詞用單數(shù)。Whentheywillstartandwheretheywillgohavenotbeendecidedyet.他們將在什么時(shí)候動(dòng)身以及要去哪里還沒定下來。Whenandwherethemoviewillbeshownisnotclear.這部影片何時(shí)何地上映還不清楚。一．用適當(dāng)?shù)脑~填空（2020·上海浦東新區(qū)檢測(cè)）__________neveroccurredtohimthattheeasierthequestionswere,themorecarefulheshouldbe.2.Itissaid______heisworkingonabookaboutspaceexploration.But_____itwilleoutisupintheair.3.Don'tworry.______hewillofferushelpdoesn'tmatteralot.4._________,asamatteroffact,hasbeenputforwardattheconferenceisthatthegovernmentshouldencouragethegraduatestosetuptheirownbusiness.5.______________hewillgotoworkinamountainvillagesurprisesallofus6._________willbemadecaptainofourteamisstillunknown,butonethingiscertain:_____isputintothispositionistoleadusoutofthepresentdifficulty.7.________youcanmakeyourdreametruedependsonhardworkratherthanluck.8.______fashiondiffersfromcountrytocountrywillreflecttheculturaldifferencestosomeextent.9.Itisafact___________Englishhasbeenacceptedasaninternationallanguage.10.________iswillingtovolunteerintheBeijing2022OlympicWinterGamesisweletojoinus.11._________trulychangestheworldisthewayyoulookatyourself.12.___________isprovedisthatanimalsandinsectshavetheirownlanguages.13.（2020·天津靜海一中期末）____________I'mconcernedaboutmostis___________wecancollectahugeamountofmoneyinsuchashorttime.14.______thechildformedthehabitofplayingputergamesmadehismotherangry.15.（天津一中檢測(cè)）Webelieve_______youhavebeendevotedtoisnaturallyofgreatnecessity.二.單句語法填空1．______faultitisisquiteclearnow.2．_______takesinterestinthepapercanaskforacopy.3．Whenshewillebackschool_______(depend)onhermother.4．Itisuncertain______hisfamilywasoriginallyBritainorAmerican.5．Whattheywantatpresent_____(be)basicskillsforsurvivalinthewild.6．_____isdesirablethatweshouldreadtheinstructionsoftheinstrumentsinadvance.7．Itishardtoimagine_____lifewaslikeforheratthattime.8．It’simportantthatchildren_______(have)theirownhobbiesandinterests.9．Itisrequestedthatallthemembers_____(be)presentatthemeetingtomorrow.10_____theorymustgohandinhandwithpracticeisaprincipleweshouldalwayskeepinmind.三.完成句子11.他似乎要到10點(diǎn)鐘之后才能回來。12.有人建議我們應(yīng)該立刻采取措施。13.我們今天所做的事在過去是不可能的。14.空氣中有多少水蒸氣取決于空氣的溫度。15.尊重所有少數(shù)民族的風(fēng)俗習(xí)慣是很自然的。四.句型轉(zhuǎn)換1．HehappenedtobeoutofNewYorkatthetime.→__________________hewasoutofNewYorkatthetime.2．Itchancedthatshemethimintheparkthreedaysago.→_______________________________________threedaysago.3．Thisbookissaidtohavebeentranslatedintomanylanguages.→__________________thisbookhasbeentranslatedintomanylanguages.4．Youarelikelytosufferfrombadhealthifyoukeepsmoking.→_______________________youwillsufferfrombadhealthifyoukeepsmoking.5．Thatwaterismadefromoxygenandhydrogenismonknowledge.→_________________________waterismadefromoxygenandhydrogen.五.語法填空Myroommate，Mary，issensitive1._____otherpeople’sevaluationofherappearance.Everydaybeforeclass，shespendsmorethananhourinthedormitory2.____(make)up.Shehas20lipsticks，oftenfeeling3.______(bother)aboutwhichonetouse.Recently，shehasbeenaddictedtoaselfieappontheInternet，uploadingeditedphotoseverydayandho