it的用法、常用句型PPT文件格式下载.ppt

1、事、物或情况等；婴儿、性别不明或没必要婴儿、性别不明或没必要区分性别的人或动物。此外，区分性别的人或动物。此外，it也可指代未知也可指代未知的人。如：的人。Inmyopinion,lifeinthetwenty-firstcenturyismucheasierthanitwasusedto.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。然现象等。Itisonlyhalfanhourswalktothehospital.Itsab

2、outtwokilometersfromheretothestation.Itisrainingheavilyoutside.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+）动词原形）动词原形”。常用于本句型的主。常用于本句型的主要有要有apity,ashame,nowonder,noaccident等。等。Itisagreatpitythatheshouldbesogreedy.Itisashamethatheshouldattempttoinjurethereputatio

3、nofanhonestman.Itwasnoaccidentthatsuchabookshouldappearinthe18thcentury.“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。常用于本句型的形容词主要有于本句型的形容词主要有impossible,strange,surprising等。Itisimpossiblethatitshouldbeamerecoincidence.Itsstrangethatsheshouldhavebeenarrestedforstealing.Itwas

4、surprisingthatheshouldhavefinishedwritinganovelinonlytwentydays.“It+动词（动词（+宾语或状语）宾语或状语）+主语从句主语从句”。常用于本句型的动词主要有常用于本句型的动词主要有please,happen等。Itpleasedmeverymuchthathesucceeded.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。常用于本句型的动词主要有本句型

5、的动词主要有accept,admit,allow,announce等。Itsacceptedthattheuniverseisendless.Itisgenerallyadmittedthatheisatrustworthyperson.Itwasannouncedthatallprisonerswouldbesetfree.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作形式宾作形式宾语，而将真正的宾语放在宾语补足语

6、后。常用语，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于这种句型的动词有believe,bring,consider,declare,feel,find,make,prove,think等。Ifinditamazingthatanyonewouldwanttolistentothatmusic.Idontthinkitpossibletomasteraforeignlanguagewithin3months.Ifounditworthwhilereadingthisbook.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+if/when从句从句当当enjoy,

7、like,dislike,love,hate,prefer,appreciate等动词后需要接一个等动词后需要接一个if或或when引导的引导的从句时，需要在动词后接从句时，需要在动词后接it作形式宾语。作形式宾语。Shewontlikeitifyouarrivelate.Hehatesitwhenpeopleusehisbike.IdpreferitifIdidnthavetodosomuchwork.Iwouldappreciateitverymuchifyouwouldhelpmewithit.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：d

8、ependon,answerfor,seeto。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强调句型可以对句中除谓语动词以外的成分加以强调。以强调。四、四、it用在一些固定表达中用在一些固定表达中Assomeoneputsit,.像某人所说的那样像某人所说的那样Pleaseseetoittha

9、t.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（某人）该干某事了了Itis（high）timethat.（早就）该（早就）该Itsfirst/second/third/.time+that.这是这是某人第几次干某事（从句谓语用现在完成时）某人第几次干某事（从句谓语用现在完成时）Itis/hasbeen+一段时间一段时间+since.自从自从已已经经；Itwasnt/wontbelongbefore.没过多久就没过多久

10、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指的指的是与前面已提到的事物为同一物，此时的是与前面已提到的事物为同一物，此时的it等于等于“the+名词名词”；而；而one指的是与前面已提到的指的是与前面已提到的事物为同一类物，此时的事物为同一类物，此时的one等于等于“a+名词名词”。IhaveadictionarybutIvelentittoMary.Ihaventadictionary;canyoulendmeone?I.选用括号内合适的单词填空。选用括号内合适

11、的单词填空。1.Itwasonlyaftershehadbeguntocarryoutthetask_（that,when）Maryrealizeditwasextremelydifficulttocomplete.2._（It,As）isourbeliefthatwecanmakeagoodlifeifweworkhard.3._（It,What）issuggestedthatparentsshouldpaymoreattentiontotheirchildrensinnerworld.thatItIt4.Asamatteroffact,_（that,it）isnotfailureitsel

12、f,butwhatwethinkoffailureandwhatwedoafterwardsthatcounts.5.DoyoustilldriveyourFordcar?No,Isold_（it,that）twoyearsago.6.Youmustkeep_（it,what）inmindthatyoucanneverbetoocarefulwhenproofreadingthenewspaper.7.Will_（that,it）beconvenientforyoutostartworktomorrow?itititit8._（There,It）isnodoubtthatthevisiting

13、team,whichhasbetterplayers,willwinthematch.9.IdontthinkIcanworkoutthemathsproblem.Itstoodifficult.Thinkitover,andperhapsyouwillmake_（it,that）.ThereitII.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.

14、3.IkepttellingMarynottostayuptoolateanymore,but_didnthelp.4._isanurgentneedforqualifiedteachers.5.Ilike_whenIamwithpeoplelikeMr.Ma,whoisalwayswillingtohelpothers.itititThereit6.Whoismakingloudnoisesoutsidethewindow?_isTom,myneighboursson.7._wasnopointinstayinganylonger.8.Imasgoodacookassheisexceptwh

15、en_comestomakingpizza.9.Ihavenoideawho_wasthattaughtmethetrick,whichhelpedmetosolvetheproblem.10._isahardjobforsuchalittleboytocarrytheheavyboxupstairs.Letsgivehimahand.ItThereititItIII.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,thesmoothestpebblesyoucouldfindonthebeach,andyourclassphoto.Ifyouhavekeptthingslike4._,thenyouareacollector!Somepeoplemightcall5._collectionjunk,ititItthesethebutyoucancall6._MEM