高考英语复习之it的用法及改错十大典型.ppt

彭泽一中高中英语高考复习教学课件彭泽一中高中英语高考复习教学课件彭泽一中彭泽一中 赵万赵万2018.10.262018.10.261.it的用法、常用句型及的用法、常用句型及高考改错之十大典型高考改错之十大典型2.知识梳理知识梳理it可以作代词（如人称代词、非人称代词）和引导词，可以作代词（如人称代词、非人称代词）和引导词，也可以用于强调句式中，还可以用于一些固定表达中。也可以用于强调句式中，还可以用于一些固定表达中。一、一、it作代词作代词1.用作人称代词，指代：用作人称代词，指代：上文提到过的人、事、物上文提到过的人、事、物或情况等；或情况等；婴儿、性别不明或没必要区分性别的人婴儿、性别不明或没必要区分性别的人或动物。此外，或动物。此外，it也可指代未知的人。如：也可指代未知的人。如：In my opinion,life in the twenty-first century is much easier than it was used to.3.Someone is ringing the doorbell.Go and see who it is.Its John on the phone.2.用作非人称代词，指时间、天气、距离或自用作非人称代词，指时间、天气、距离或自然现象等。如：然现象等。如：It is only half an hours walk to the hospital.Its about two kilometers from here to the station.It is raining heavily outside.4.二、二、it作引导词作引导词1.it作形式主语的常用句型作形式主语的常用句型“It+be+名词名词+主语从句主语从句”中从句谓语常用中从句谓语常用“（should+）动）动词原形词原形”。常用于本句型的主要有。常用于本句型的主要有apity,ashame,nowonder,noaccident等。如：等。如：It is a great pity that he should be so greedy.It is a shame that he should attempt to injure the reputation of an honest man.It was no accident that such a book should appear in the 18th century.“It+be+形容词形容词+主语从句主语从句”中从句谓语常用中从句谓语常用“（should+）动词原形（或完成时）动词原形（或完成时）”。常用于本句。常用于本句型的形容词主要有型的形容词主要有impossible,strange,5.surprising等。如：等。如：It is impossible that it should be a mere coincidence.Its strange that she should have been arrested for stealing.It was surprising that he should have finished writing a novel in only twenty days.“It+动词（动词（+宾语或状语）宾语或状语）+主语从句主语从句”。常用于。常用于本句型的动词主要有本句型的动词主要有please,happen等。如：等。如：It pleased me very much that he succeeded.6.It pleases me that he should want to talk with me.It so happened that he had just left for Tianjin.“It+动词的被动语态+主语从句”。常用于本句型的动词主要有accept,admit,allow,announce等。如：Its accepted that the universe is endless.It is generally admitted that he is a trustworthy person.It was announced that all prisoners would be set free.7.2.it作形式宾语作形式宾语根据句子结构的需要，人们常用根据句子结构的需要，人们常用it作形式宾语，而作形式宾语，而将真正的宾语放在宾语补足语后。常用于这种句型的将真正的宾语放在宾语补足语后。常用于这种句型的动词有动词有believe,bring,consider,declare,feel,find,make,prove,think等。如：等。如：I find it amazing that anyone would want to listen to that music.I dont think it possible to master a foreign language within 3 months.I found it worthwhile reading this book.8.it作形式宾语的常用句型：1）动词+it+if/when从句当enjoy,like,dislike,love,hate,prefer,appreciate等动词后需要接一个if或when引导的从句时，需要在动词后接it作形式宾语。如：She wont like it if you arrive late.He hates it when people use his bike.Id prefer it if I didnt have to do so much work.I would appreciate it very much if you would help me with it.9.2）动词）动词+介词介词+it+that从句从句能用于此句型的主要有：能用于此句型的主要有：dependon,answerfor,seeto。如：如：You may depend on it that he will turn up in time.I cant answer for it that the boy is honest.Ill see to it that all these letters will be sent to the post before twelve.10.三、三、it用于强调句型中用于强调句型中强调句型可以对句中除谓语动词以外的成分加以强调。强调句型可以对句中除谓语动词以外的成分加以强调。四、四、it用在一些固定表达中用在一些固定表达中As someone puts it,.像某人所说的那样Please see to it that.请务必When it comes to.当提到时It looks/seems as if.看起来好像Its time for sth.该做某事了Its time(for sb.)to do sth.（某人）该干某事了It is(high)time that.（早就）该Its first/second/third/.time+that.这是某人第几次干某事（从句谓语用现在完成时）11.Itis/hasbeen+一段时间一段时间+since.自从自从已经已经；Itwasnt/wontbelongbefore.没过多久就没过多久就/很快很快Its+时间段时间段+before.过过时间才时间才五、五、it与与one的区别的区别两者均可代替前面提到的事物，区别是：两者均可代替前面提到的事物，区别是：it指的是与指的是与前面已提到的事物为同一物，此时的前面已提到的事物为同一物，此时的it等于等于“the+名名词词”；而；而one指的是与前面已提到的事物为同一类物，指的是与前面已提到的事物为同一类物，此时的此时的one等于等于“a+名词名词”。如：。如：IhaveadictionarybutIvelentittoMary.Ihaventadictionary;canyoulendmeone?12.巩固练习巩固练习I.选用括号内合适的词填空。选用括号内合适的词填空。1.Itwasonlyaftershehadbeguntocarryoutthetask_(that,when)Maryrealizeditwasextremelydifficulttocomplete.2._(It,As)isourbeliefthatwecanmakeagoodlifeifweworkhard.3._(It,What)issuggestedthatparentsshouldpaymoreattentiontotheirchildrensinnerworld.thatItIt13.4.Asamatteroffact,_(that,it)isnotfailureitself,butwhatwethinkoffailureandwhatwedoafterwardsthatcounts.5.DoyoustilldriveyourFordcar?No,Isold_(it,that)twoyearsago.6.Youmustkeep_(it,what)inmindthatyoucanneverbetoocarefulwhenproofreadingthenewspaper.7.Will_(that,it)beconvenientforyoutostartworktomorrow?itititit14.8._(There,It)isnodoubtthatthevisitingteam,whichhasbetterplayers,willwinthematch.9.IdontthinkIcanworkoutthemathsproblem.Itstoodifficult.Thinkitover,andperhapsyouwillmake_(it,that).Thereit15.II.用用there或或it的正确形式填空。的正确形式填空。1.DuringmystaythereImade_arulenottoeatfattyfoods.2.Idappreciate_ifyoucouldhelpmefindoutthereasonwhythecomputerdoesntwork.3.IkepttellingMarynottostayuptoolateanymore,but_didnthelp.4._isanurgentneedforqualifiedteachers.5.Ilike_whenIamwithpeoplelikeMr.Ma,whoisalwayswillingtohelpothers.itititThereit16.6.Whoismakingloudnoisesoutsidethewindow?_isTom,myneighboursson.7._wasnopointinstayinganylonger.8.Imasgoodacookassheisexceptwhen_comestomakingpizza.9.Ihavenoideawho_wasthattaughtmethetrick,whichhelpedmetosolvetheproblem.10._isahardjobforsuchalittleboytocarrytheheavyboxupstairs.Letsgivehimahand.ItThereititIt17.III.选择正确的词完成下面短文。选择正确的词完成下面短文。it,these,that,what,theDoyouhaveadraweroraboxofyourspecialstuff?1._maylooklikejunktoanybodyelse,buttoyou2._maybeveryimportant.Maybe3._isyoursetoflastyearshockeycards,abottletopyouhopedwouldshowthewinningnumber,thesmoothestpebblesyoucouldfindonthebeach,andyourclassphoto.Ifyouhavekeptthingslike4._,thenyouareacollector!Somepeoplemightcall5._collectionjunk,ititItthesethe18.butyoucancall6._MEMORABILIA(MEM-or-a-BILLY-a)(值得纪念的事物值得纪念的事物).Thatsoundsmoreimpressive,doesnt7._?Ifyouthinkabout8._happenswhenyoulookthroughyourcollection,youmightguesswhatmemorabiliaare.Sometimesjustlookingatoneofyourspecialthingshelpstotrigger(触发触发)amemoryofhowyougot9._.Inmostkindsofcollections10._iseasytoseehowtheitemsbelongtogether.ititwhatitit19.Ifyoucollectstamps,anybodycanseehowtheymakeacollection.11._isnotsoeasyforsomebodyelsetounderstandhowyourmemorabiliamakeacollection.Thatswhyotherpeoplethinktheyarejunk.Buttheydobelongtogetherbecausetheyareallpartofyourlife.Theyarepartofthatspecialsomething12._makesyoudifferentfromanybodyelse.Itthat20.真题再现真题再现从从A、B、C、D四个选项中，选出可以填入四个选项中，选出可以填入空白处的最佳选项。空白处的最佳选项。1.Sarahmade_totheairportjustintimetocatchherplanethismorning.(2012大纲全国卷大纲全国卷II)A.herselfB.thisC.thatD.it21.2.Newtechnologieshavemade_possibletoturnoutnewproductsfasterandatalowercost.(四川四川2012)A.thatB.thisC.oneD.it3.Theemploymentratehascontinuedtoriseinbigcitiesthankstotheeffortsofthelocalgovernmentstoincrease_.(北北京京2011)A.themB.thoseC.itD.that22.4.Whydontyoubring_tohisattentionthatyouretooilltoworkon?(江西江西2011)A.thatB.itC.thisD.him23.24.做形式主语作形式宾语用于强调结构用作人称代词作为非人称代词习惯用法25.1.It is honest for you to tell me the truth.it十大典型错误例析十大典型错误例析of Itskind/niceofsb.todosth【改错】_Itsimportant/necessaryforsb.todosth26.2.It is great importance to protect the environment.it十大典型错误例析十大典型错误例析of Itisveryimportanttodosth.【改错】27.3.It was clear they had no desire for peace.it十大典型错误例析十大典型错误例析that Itis+形容词+that【改错】做形式主语做形式主语28.4.It is illegal drive a car without a license.it十大典型错误例析十大典型错误例析toItis+形容词+todosth.【改错】做形式主语29.5.It is no doubt that he will study abroad.it十大典型错误例析十大典型错误例析There Thereisnodoubt/possibility/chance等常常引出同位语从句，进一步说明doubt,possibility,chance等中心词的具体内容。【改错】对比：Itsnowonder(that)没什么奇怪。与therebe结构的惯用句型的区别 30.61.I find this difficult to remember so many grammars.it十大典型错误例析十大典型错误例析itfindit+adj.+todosth.【改错】形式宾语31.62.No matter where he is，he makes a rule to go for a walk before breakfast.it十大典型错误例析十大典型错误例析itmakeitaruletodosth.养成做某事的习惯，该结构中it为形式宾语，真正的宾语是动词不定式togoforawalk【改错】形式宾语32.7.I hate so when the weather in Changsha becomes freezing cold because there is no heater inside.it十大典型错误例析十大典型错误例析it 句意为：我讨厌长沙天气很冷的时候，因为室句意为：我讨厌长沙天气很冷的时候，因为室内没有暖气。内没有暖气。有些动词如有些动词如likelike，appreciateappreciate，dislikedislike，hatehate等等习惯上先用习惯上先用it it作形式宾语，再接一个宾语从句。作形式宾语，再接一个宾语从句。【改错】固定结构33.8.You may depend on that they will support you.it十大典型错误例析十大典型错误例析it 固定结构dependonitthat.表示“相信某事”，it为形式宾语。【改错】固定结构34.9.If youre buying todays paper from the stand，could you get it for me？it十大典型错误例析十大典型错误例析one paperpaper作作“报纸报纸”讲时是可讲时是可数名词。结合情景，说话人要对方给自己捎一数名词。结合情景，说话人要对方给自己捎一份报纸，也就是份报纸，也就是apaperapaper，而与此相对应的就是，而与此相对应的就是oneone。句意为：如果你要从书报摊买今天的报。句意为：如果你要从书报摊买今天的报纸，你能给我买一份吗？纸，你能给我买一份吗？【改错】_35.10.That is half an hours walk to the city center.it十大典型错误例析十大典型错误例析It 注意！It作为非人称代词,泛指距离【改错】_非人称代词it36.作为非人称代词1)起指示代词的作用，指一个人或事物 Who is knocking at the door？2)泛指天气今天阳光灿烂。Its sunny today.3)泛指时间她回来时已经快半夜了。It was nearly midnight when she came back.Its me.37.4)泛指环境泛指环境这里很吵。这里很吵。It is noisy here.5)泛指距离泛指距离去市中心要走半个小时的路。去市中心要走半个小时的路。It is half an hours walk to the city center.38.11.If I can help that，I dont like working late into the night.（全国卷（全国卷I06-26）it十大典型错误例析十大典型错误例析itIt的一些习惯用法意思是“如果我有办法的话，我可不喜欢工作到深夜。”Icanthelpit.我没有办法。【改错】_ It的一些习惯用法39.It的一些习惯用法的一些习惯用法uHow is it with your study?学习好吗？学习好吗？uThats it.这就对了。这就对了。uIt went hard with him.他身遇不幸他身遇不幸。uIt is all over with me.我完蛋了。我完蛋了。uWe must fight it out.我们必须坚持到底。我们必须坚持到底。uI cant help it.我没有办法。我没有办法。40.41.