高考英语总复习 语法强攻 it的用法常用句型优秀课件.ppt

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1、高考英语总复习 语法强攻 it的用法常用句型课件第1页，本讲稿共23页it的用法、常用句型的用法、常用句型第2页，本讲稿共23页it可以作代词（如人称代词、非人称代词）和引可以作代词（如人称代词、非人称代词）和引导词，也可以用于强调句式中，还可以用于一些导词，也可以用于强调句式中，还可以用于一些固定表达中。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、上文提到过的人、事、物或情况等；物或情况等；婴儿、性别不明或没必要区分性婴儿、性别不明或没必要区分性别的人或动物。此外，别的人或动物。此外，it也可指代未知的人。如：也可指代未知的人。如：In

2、myopinion,lifeinthetwenty-firstcenturyismucheasierthanitwasusedto.第3页，本讲稿共23页Someoneisringingthedoorbell.Goandseewhoitis.ItsJohnonthephone.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：Itisonlyhalfanhourswalktothehospital.Itsabouttwokilometersfromheretothestation.Itisrainingheavilyoutside.二、

3、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第4页，本讲稿共23页“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+）动词原形）动词原形”。常用于本句型的主要。常用于本句型的主要有有apity,ashame,nowonder,noaccident等。如：等。如：Itisagreatpitythatheshouldbesogreedy.Itisashamethatheshouldattempttoinjurethereputationofanhonestman.Itwasnoaccidentthatsuchabookshoulda

4、ppearinthe18thcentury.“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。常用于本句型的形容词主要有句型的形容词主要有impossible,strange,第5页，本讲稿共23页surprising等。如：等。如：Itisimpossiblethatitshouldbeamerecoincidence.Itsstrangethatsheshouldhavebeenarrestedforstealing.Itwassurprisingthatheshouldhavefinishe

5、dwritinganovelinonlytwentydays.“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。常用于本句型的动词主要有于本句型的动词主要有please,happen等。如：等。如：Itpleasedmeverymuchthathesucceeded.第6页，本讲稿共23页Itpleasesmethatheshouldwanttotalkwithme.ItsohappenedthathehadjustleftforTianjin.“It+动词的被动语态动词的被动语态+主语从句主语从句”。常用于本。常用于本句型的动词主要有句型的动词主要有accept,ad

6、mit,allow,announce等。如：等。如：Itsacceptedthattheuniverseisendless.Itisgenerallyadmittedthatheisatrustworthyperson.Itwasannouncedthatallprisonerswouldbesetfree.第7页，本讲稿共23页ItwasannouncedthatthePrimeMinisterwouldspeakontelevisionthatevening.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，作形式宾语，而将真正的宾语放在宾

7、语补足语后。常用于这种而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句型的动词有believe,bring,consider,declare,feel,find,make,prove,think等。如：等。如：Ifinditamazingthatanyonewouldwanttolistentothatmusic.Idontthinkitpossibletomasteraforeignlanguagewithin3months.Ifounditworthwhilereadingthisbook.第8页，本讲稿共23页it作形式宾语的常用句型：作形式宾语的常用句型：1）动词）动词+it+

8、if/when从句从句当当enjoy,like,dislike,love,hate,prefer,appreciate等等动词后需要接一个动词后需要接一个if或或when引导的从句时，需要在引导的从句时，需要在动词后接动词后接it作形式宾语。如：作形式宾语。如：Shewontlikeitifyouarrivelate.Hehatesitwhenpeopleusehisbike.IdpreferitifIdidnthavetodosomuchwork.Iwouldappreciateitverymuchifyouwouldhelpmewithit.第9页，本讲稿共23页2）动词）动词+介词介词+

9、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：Youmaydependonitthathewillturnupintime.Icantanswerforitthattheboyishonest.Illseetoitthatalltheseletterswillbesenttothepostbeforetwelve.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句型可以对句中除谓语动词以外的成分加以强调。强调。第10页，本讲稿共23页四、四、it用在一些固定表达中用在一些固定表

10、达中Assomeoneputsit,.像某人所说的那样像某人所说的那样Pleaseseetoitthat.请务必请务必Whenitcomesto.当提到当提到时时Itlooks/seemsasif.看起来好像看起来好像Itstimeforsth.该做某事了该做某事了Itstime(forsb.)todosth.（某人）该干某事了（某人）该干某事了Itis(high)timethat.（早就）该（早就）该Itsfirst/second/third/.time+that.这是某这是某人第几次干某事（从句谓语用现在完成时）人第几次干某事（从句谓语用现在完成时）第11页，本讲稿共23页Itis/has

11、been+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指的是与前面已提到的事物为同一类物，此时的物，此时的one等于等于“a+名词名词”。如：。如：IhaveadictionarybutIvele

12、ntittoMary.Ihaventadictionary;canyoulendmeone?第12页，本讲稿共23页I.选用括号内合适的单词填空。选用括号内合适的单词填空。1.Itwasonlyaftershehadbeguntocarryoutthetask_(that,when)Maryrealizeditwasextremelydifficulttocomplete.2._(It,As)isourbeliefthatwecanmakeagoodlifeifweworkhard.3._(It,What)issuggestedthatparentsshouldpaymoreattention

13、totheirchildrensinnerworld.thatItIt第13页，本讲稿共23页4.Asamatteroffact,_(that,it)isnotfailureitself,butwhatwethinkoffailureandwhatwedoafterwardsthatcounts.5.DoyoustilldriveyourFordcar?No,Isold_(it,that)twoyearsago.6.Youmustkeep_(it,what)inmindthatyoucanneverbetoocarefulwhenproofreadingthenewspaper.7.Will_

14、(that,it)beconvenientforyoutostartworktomorrow?itititit第14页，本讲稿共23页8._(There,It)isnodoubtthatthevisitingteam,whichhasbetterplayers,willwinthematch.9.IdontthinkIcanworkoutthemathsproblem.Itstoodifficult.Thinkitover,andperhapsyouwillmake_(it,that).Thereit第15页，本讲稿共23页II.用用there或或it的正确形式填空。的正确形式填空。1.Dur

15、ingmystaythereImade_arulenottoeatfattyfoods.2.Idappreciate_ifyoucouldhelpmefindoutthereasonwhythecomputerdoesntwork.3.IkepttellingMarynottostayuptoolateanymore,but_didnthelp.4._isanurgentneedforqualifiedteachers.5.Ilike_whenIamwithpeoplelikeMr.Ma,whoisalwayswillingtohelpothers.itititThereit第16页，本讲稿共

16、23页6.Whoismakingloudnoisesoutsidethewindow?_isTom,myneighboursson.7._wasnopointinstayinganylonger.8.Imasgoodacookassheisexceptwhen_comestomakingpizza.9.Ihavenoideawho_wasthattaughtmethetrick,whichhelpedmetosolvetheproblem.10._isahardjobforsuchalittleboytocarrytheheavyboxupstairs.Letsgivehimahand.ItT

17、hereititIt第17页，本讲稿共23页III.选用正确的词完成下面短文。选用正确的词完成下面短文。it,these,that,what,theDoyouhaveadraweroraboxofyourspecialstuff?1._maylooklikejunktoanybodyelse,buttoyou2._maybeveryimportant.Maybe3._isyoursetoflastyearshockeycards,abottletopyouhopedwouldshowthewinningnumber,thesmoothestpebblesyoucouldfindonthebea

18、ch,andyourclassphoto.Ifyouhavekeptthingslike4._,thenyouareacollector!Somepeoplemightcall5._collectionjunk,ititItthesethe第18页，本讲稿共23页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,youmightguess

19、whatmemorabiliaare.Sometimesjustlookingatoneofyourspecialthingshelpstotrigger(触发触发)amemoryofhowyougot9._.Inmostkindsofcollections10._iseasytoseehowtheitemsbelongtogether.ititwhatitit第19页，本讲稿共23页Ifyoucollectstamps,anybodycanseehowtheymakeacollection.11._isnotsoeasyforsomebodyelsetounderstandhowyourme

20、morabiliamakeacollection.Thatswhyotherpeoplethinktheyarejunk.Buttheydobelongtogetherbecausetheyareallpartofyourlife.Theyarepartofthatspecialsomething12._makesyoudifferentfromanybodyelse.Itthat第20页，本讲稿共23页从从A、B、C、D四个选项中，选出可以填入空白处四个选项中，选出可以填入空白处的最佳选项。的最佳选项。1.Sarahmade_totheairportjustintimetocatchherp

21、lanethismorning.A.herselfB.thisC.thatD.it第21页，本讲稿共23页2.Newtechnologieshavemade_possibletoturnoutnewproductsfasterandatalowercost.A.thatB.thisC.oneD.it3.Theemploymentratehascontinuedtoriseinbigcitiesthankstotheeffortsofthelocalgovernmentstoincrease_.A.themB.thoseC.itD.that第22页，本讲稿共23页4.Whydontyoubring_tohisattentionthatyouretooilltoworkon?A.thatB.itC.thisD.him第23页，本讲稿共23页