it的用法专项总结及训练.docx
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it的用法专项总结及训练.docx
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it的用法专项总结及训练
it的用法(专项总结及训练)
It的用法(专项总结及训练)一、人称代词1.it的最基本用法是作代词,主要指刚提到的事物,以避免重复:
①Theywatchedthetrainuntilitdisappearedinthedistance.2.也可以指动物或婴儿(未知性别的婴儿或孩子):
①Isthisyourdog?
No,itisnt.②Theygotababyanditwasaten-pounder3.也可指抽象事物或指抽象环境和情景:
①Ihateitwhenpeopletalkwithafullmouth..二、非人称代词1.it有时并不指具体的东西而泛指天气、时间、日期、距离、价值、度量、温度、环境等:
①指天气:
Itisalovelyday,isntit?
②指时间:
Itwasnearlymidnightwhenshecameback.③指日期:
ItisAprilFirsttoday.④指距离:
Itissome3000kilometersfromBeijingtoGuangzhou.⑤指价值:
Itisthreedollars.⑥指温度:
Todayitis30degreescentigrade.三、其他用法1.在句子的主语不太明确时充当主语,表示谁在做某事:
①Whoisitthere?
It’sI(me/you/he.....).2.泛泛的指某件事:
(有时泛指一般情况)①Itdoesntmatter.②Howisitgoing?
(情况怎样)3.it用在一些词组中,it没有特别的意思Thelasttrain’sgone.Comeon,we’llfootit.(来,咱们步行吧。
)四、作形式主语,替代主语从句,动词不定式,或动名词短语:
1.作形式主语替代主语从句⑴Itisclear(obvious,true,possible,certain....nowonder/doubt)that从句常译为"┅清楚的(显然的,真的,可能的,肯定的...)"Itisveryclearthathesroundandtalllikeatree.=Thathesroundandtalllikeatreeisveryclear.⑵Itisimportant(necessary,right,strange,natural...)that从句常译为┅是重要的(必要的,对的,奇怪的,自然的┅).that后的从句中要用虚拟语气(should)+动词原形。
①Itisimportantthatwe(should)learnEnglishwell.②Itisnecessarythathe(should)rememberthesewords.⑶Itissaid(reported/learned/believed/thought/known/told/hoped.....)that从句常译为"据说(据报道,据悉...)"。
①ItissaidthathehascometoBeijing.②Itisreportedthatanotherearthsatellitehasbeenputintoorbit.⑷Itissuggested(advised/ordered/demanded/insisted/commanded...)that从句.that后的从句要用虚拟语气(should+动词原形),should可以省;常译为"据建议;有命令...)①Itissuggestedthatthemeeting(should)beputoff.②Itwasorderedthatwe(should)arrivethereintwohours.⑸Itis(about/high)timethat从句(虚拟语气:
动词用过去时did或shoulddo)①Itistimethatchildrenwenttobed.②Itistimeyouboughtanewcar.③Itis(high)timeyoumadeupyourmind.⑹It/This/Thatisthefirst(second...)time(that)从句(从句用现在完成时havedone)It/This/Thatwasthefirst(second...)time(that)从句(从句用过去完成时haddone)常译为"是第一
(二)...次..."。
ItisthefirsttimeIhavebeenhere.=ThisisthefirsttimeIhavebeenhere⑺Itisapity(ashame/anhonour/agoodthing/afact,/asurprise/...)that从句.that后的从句一般用虚拟语气(should)+动词原形,表示出乎意料,常译为"竟然"。
没有这种意义时,则用陈述语气。
①Itisapitythatsuchathing(should)happeninyourclass.这种事竟然发生在你们班上,真是遗憾!
(虚拟语气)②Itisapitythatheisill.他生病了,真遗憾!
(陈述语气)⑻Ithappens/seemsthat从句或Itlooks/appearsasif.常译为碰巧,似乎是,看起来这个句型可以改写为:
sb.happens/seemstodosth.①Ithappened(sohappened)thathemethisteacherinthestreet.碰巧...②Itseemsthathewillbebackinafewdays.看来...2.作形式主语替代不定式⑴Itiskind(ofsb.)todosth.不定式的逻辑主语是由of引起,主句中的形容词必须是能表示逻辑主语特征的褒义或贬义形容词。
常见的词有:
bad,brave,careless,clever,cruel,foolish,good,honest,horrible,kind,lazy,modest,naughty,nice,polite,rude,silly,stupid,wise,wrong等。
这个句型可以改写为:
sb.iskindtodosth.如:
Itiskindofyoutosayso.=Youarekindtosayso.⑵Itisnecessary(forsb.)todosth..不定式的逻辑主语是由for引起,主句中的形容词通常是表示重要性,紧迫性,频繁程度,难易,安全等情况的中性形容词。
常见的形容词有:
important,necessary,natural,easy,safe,common,normal,hard,difficult,dangerous,unusual,rare,impossible,pleasant如:
Itisimportantforhertocometotheparty.=Itisimportantthatshe(should)cometotheparty.⑶Ittakessb....todosth.常译为"做...要花费某人..."。
如:
IttookthousandsofpeoplemanyyearstobuildtheGreatWall.3.作形式主语替代动名词短语Itisnogood/nouse/uselessdoingsth.常译为┅有好处或没有用①ItisnogoodlearningEnglishwithoutspeakingEnglish.②It’suselesstryingtoarguewithShylock.五、作形式宾语,代替不定式,动名词短语或宾语从句。
Wethinkitimportanttolearnaforeignlanguage.该句型中的it作形式宾语,该结构中常用的动词有:
think,believe,make,findconsider,feel;Wethinkitourdutytocleanourclassroomeveryday.HefeltitimportantlearningEnglishwell.Theyfounditdifficultthattheywouldfinishtheirworkintwodays.TheInternetmakesiteasierforcompaniestokeepintouchwithcustomers.六、强调句型:
1.强调句型:
Itis/was+被强调部分+that从句(被强调的主语如果是人,that可以改为who)Heboughtabookinabookshoplastweek.Itwashethatboughtabookinabookshoplastweek.Hereadthreebooksinthelibraryyesterday.(转换成强调句)强调主语强调宾语强调地点状语强调时间状语注:
not...until...的强调形式为:
Itisnotuntilthat...强凋时间状语,意为"是直到...才..."。
Ididntrealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar.强凋时间状语NotuntilshetookoffherdarkglassesdidIrealizeshewasafamousfilmstar.倒装句Hedidntgotobeduntilmothercameback.强凋时间状语练习巩固Exercise1.Choosethebestanswer.1.Ittookusoveranhour_______alongthestreet.A.walkB.towalkC.walkingD.walked2.Ithinkitagreathonour_______tovisityourcountry.A.toinviteB.invitingC.havinginvitedD.tobeinvited3.Manypeoplenowmake_______aruletobuycardsfortheirfriendsbeforeChristmas.A.themselvesB.itC.thatD.this4._______isverycleartoeveryonethathe’sroundandtalllikeatree.A.ThisB.WhatC.ThatD.It5.IntheUnitedStates,bustraveldoesn’tcostmuchastraintravel,_______?
A.don’ttheyB.doesitC.dotheyD.doesn’tit6.Someoneisatthedoor,whois_______?
A.thisB.thatC.itD.he7.Itisrainingcatsanddogs._______.A.SoitisB.SoisitC.NeitheritisD.Neitherisit8.Myhomeisinthattallbuildingoverthere._______?
A.CanitseeB.CanseeitC.CanbeseenitD.Canitbeseen9._______raininghardfor3hourswithoutstopping.A.ItisB.ItwasC.IthasbeenD.Ithadbeen10.Hastheboygothisbicyclenow?
Yes,thepolicegave_______.A.himtohimB.ittoitC.ittohimD.himtoit11.It’snouse_____overspiltmilk.A.cryB.cryingC.thatyoucryD.foryoutocry12.Itisimportant_______theiroffer.A.rejectB.rejectsC.torejectD.rejecting13.Has_______beendecidedwhenwearetoholdthesports-meeting?
A.thatB.thisC.itD.what14.DidLiLeicallmewhileIwasout?
Yes,itwas_______thatcalledyou.A.himB.heC.whoD.whom15.Nothingiswrongwiththeradio,_______?
A.isn’titB.isthatC.isitD.isn’tthat16.Idon’tknow_______makesherafraidofhavingherbusinessdiscussed.A.whatitisaboutMarythatB.thatisitabutMarywhatC.whatisitaboutMarythatD.thatisaboutMarywhat17..Itwaswithgreatjoy_______hereceivedthenewsthathislonglostsonwouldreturnhomeA.asB.thatC.soD.for18.Idon’tthink____difficultforaChinesestudenttomasteraforeignlanguagewithinfiveyears.A.thatB.itC.tooD.very19.It’sthesecondtimeyou_______latethisweek.A.arriveB.arrivedC.havearrivedD.hadarrived20.Itwillnotbe_______wemeetagain.A.longbeforeB.beforelongC.soonafterD.shortlyafter21.It’sdemandedthatwe_______thereonfoot.A.nottogoB.don’tgoC.notgoD.won’tgo22.Itisoftenusedto_______ababy.A.meantoB.sticktoC.pointtoD.referto23.Itwasnotuntil1936_______basketballbecamearegularpartoftheOlympicGames.A.thatB.whenC.whichD.then24._______youmettheEnglishman?
A.WhereitwasthatB.WhoitwasthatC.WherewasitthatD.Wherewasthat25._______thatshehasgonetotheUnitedStates?
A.WasittrueB.IsittrueC.ItistrueD.Itwastrue26._______certainthathisinventionwillleadtothedevelopmentofproduction.A.That’sB.ThisisC.It’sD.What’s27._______in1914_______theFirstWorldWarbrokeout?
A.Wasthat,thatB.Wasthat,whenC.Wasit.thatD.Wasit,when28.Itisimportantthatshe_______withMrWilliamsimmediately.A.speakB.spokeC.willspeakD.tospeak29._______thattheresanothergoodharvestthisyear.A.ItsaysB.ItissaidD.ItwassaidD.Hewassaid30.Itisthefirsttime_______theplay.A.I’vewatchedB.I’llwatchC.IwatchD.IwouldwatchExercise2.Fillintheblanks.1.(据报道)alotofpeoplelosttheirjobsinthecitylastmonth.2.(碰巧)Ihadbeenawaywhenhecalled.3.(看来)nobodyknowswhathashappened.4(看起来似乎)it’sgoingtorain.5.(很可能)thethievesdontknowhowmuchitisworth.6.forme(我也许可以)toleaveamessageforher.7.nouse(抱怨是毫无用处的)theyneverlisten.8.(难怪)youveachievedsomuchsuccess.9.(很明确)mostofthefarmershavebroughtinmoremoneybyallmeans.10.(据说)theprofessorhasalreadysucceededincarryingoutthisexperiment.(11.Theprofessorissaid(已成功)incarryingoutthisexperiment.(succeed)12.(感到遗憾)Ihaventbeentotheget-together.13.I(使之成为一种惯例)thatIgetupatsixeverydayinthemorning.14.I(认为有必要)totakeplentyofhotwatereveryday.15.Itshightimethatwe(采取措施)tostoppollution.16.alongtime(要花费她很长时间)torecoverfromtheillness.17.This/ItisthethirdtimethatIthatmovie.(看那部电影).18.Itwasthefirsttimethatshe(到长城)totheGreatWall.19.Itis/hasbeentwoyearssince(自从他结婚,marry).20.(毫无疑问)hewillbeadmittedtothekeyuniversity.21.(没必要)foryoutogetupearlytomorrow.Exercise3.Cloze.LucydidntpassheroralEnglishtestmadeusveryserprised,andshecouldntbelieve1.However,itisreally2.pitythatshe3.(fail)inthetest.4.fact,itwasher5(lazy)thatledtoherfailureinthetest.Thus,sherealized6.itwasimportantforher7.(work)hardandpracticemore,8.shehasbeenworkinghardeversince.Nowshefindsitinterestingandhelpfultopractice9.(speak)Englishandshelikesitwhenshespeaks10.(fluently)English.高二it用法答案Exercise1.1.BDBDB6.CADCC11.BC.C.BC16.ABBCA21.CDACB26.CCABAExercise2.1.Itisreportedthat2.Ithappenedthat3.Itseemsthat4.Itlooksasif5.Itislikelythat6.Itispossible7.Itiscomplainingthat8.Itisnowonderthat9.Itiscertainthat1
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