it的用法

it的用法【知识要点】It的用法（一）作人称代词1、it代替前面（或后面）的单数名词或分句等所表示的事物。Theysayhehaslefttown,butIdon’tbelieveit.（it代替前面They…town分句中的情况）2、代替有生命但不能或不必分阴阳性的东西（包括婴儿）。Thebabycriedbecauseitwashungry.（it代替前面的baby）3、在某些习惯说法中，可以代替人。e.g.----Someoneisknockingatthedoor,Peter.----Whoisit?----It’sme.4、it与one的区别：这两个词都可以代表前面说过的名词，但it用于同名同物的场合；one则用于同名异物的场合。e.g.----Doyoustillhavethebicycle----No,Ihavesoldit.---Whydon'twetakealittlebreak?---Didn'twejusthave__________?one5、it与that的区别：两词都可代替某一特定名词，但that指同一类，并非同一个。e.g.TheclimateofSouthChinaismild;Ilikeitverymuch.TheclimateofSouthChinaismuchbetterthanthatofJapan.（二）作无人称代词it作无人称代词时，除了句中找不到它所代表的词语外，另一个特点是它后面的内容都是表示天气、时间、距离、度量衡及情况等。Itisfine(rainy,windy,etc.).Itisnoon.Itisahalfhour’swalktothefactory.Itiseighteensquaremetresinarea.Whatdoesitmatter?（三）构成强调结构ItwasinShanghaithatIboughttheguitar．(that引起强调句)Itwasattwelveo'clockthatwearrivedthere．（that引起强调句）（四）引导词it作形式主语（宾语）为了使句子平衡，常采用形式主语（或宾语）it，而把真正的主语（或宾语）置于句子后面。通常引导词it与它所代替的句子成分中间要夹有某些词。It做形式主语●todo做真正的主语1.我很方便和他取得联系。Itisconvenientformetogetintouchwithhim.2.你那样做是很愚蠢的。Itisstupidofyoutodoso.3.修长城花费了成千上万人很多年的时间。IttookthousandsofpeoplemanyyearstobuildtheGreatwall.●doing做真正主语4.你和他理论是没有用的。Itisnouseyourarguingwithhim.5.覆水难收Itisnogoodcryingoverspiltmilk.Itisworthwhiledoingthework.●that做真正主语6.他整天责备别人是不足为奇。Itisnowonderthathescoldsothersalldaylong.7.据信他在国外学习/要去国外学习/去了国外学习。Itisbelievedthatheisstudyingabroad/togoabroadforstudy/hasgoneabroadforstudy.Heisbelievedtobestudyingabroad/togoabroadforstudy/tohavegoneabroadforstudy.8.我突然想起我忘了锁门。ItoccurredtomethatIhadforgottentolockthedoor.Itstruck/hitmethatIhadforgottentolockthedoor.9.他的陈述原来是假的。Itturnedout（proved）thathisstatementwasfalse.10.很奇怪他考试竟然没有及格。It’sstrangethatheshouldhavefailedintheexamination.11.建议你马上去看医生。It'ssuggestedthatyou(should)consultthedoctoratonce.常跟it做形式宾语的动词有believe，guess，suppose，consider,think，feel，find，notice，make我发现学英语很重要。Ifinditimportant/ofimportancetolearnEnglishwell.Ofimportance/value/difference/interest/help/use/benefit/effect.我习惯了七点以前起床。Igenerallymakeitaruletobeupby7.命题的热点集中于以下几个方面:.1.it/that/one用法区别（it主要指代前面提到的同一物；one用来指代前面出现的单数名词，相当于a/an+单数名词，表泛指概念，往往是同类而非同一物；that用来替代前面出现的特指的单数可数名词或特指的不可数名词，相当于the＋单数/不可数名词）2.it用在某些动词后,如likeitthat/if;appreciateitthat/if;dislikeitthat/if;resentitthat;hateitthat;feellikeitthat;seetoitthat;depend/relyonitthat;takeitforgrantedthat;getitthroughtosb.that;keep/bear(it)inmindthat;bringittoone'sattentionthat;Looktoitthat（务必、确保）；answerforitthat（务必、确保）;haveitthat…据说……;据闻……之后;putitthat…理解为……;可以说是……takeitthat…假定……;猜想……;认为……Rumourhasitthatwe’llhaveanewmanagersoon.据说我们不久就要来一位新经理。Youcanputitthatitwasarrangedbefore.你可以说这是以前安排的。Itakeitthathewillcomeontime.我认为他会准时来的。it在一些惯用语中出现：take...inturns;leave...to;owe...to;take...upononeselftodosth.(擅自/承担)：●Canyoudoalltogether?Ithinkyouhavetotakeitinturns.●Iwillleaveittoyoutoassignthedutiestothestaff.●PaulowedittoSusanthathehadmadeit.●HowcanJohntakeituponhimselftodoallthechores?4.作形式宾语或形式主语（主要代替ving,todo或从句）5.考查it构成的习语，it也常表示抽象的情况,属于虚指.Takeiteasy.keepitup（继续下去而不松弛）.带it的习语That’sit=that’swhatImean=that’swhatIwanttoknow.那就对了就这样。You’llcatchit.你会受罚的。Ican’thelpit.我没有办法。Makeit.成功做某事。Takeiteasy放松点，别急That/itdepends依情况而定。Assbputsit…正如某人所说的那样Getit理解，明白。【高考链接】1.（2010高考英语辽宁卷，33）Thefactthatshewasforeignmade_____difficultforhertogetajobinthatcountryit1.（2010高考英语大纲全国II卷，14）Thedoctorthought____wouldbegoodforyoutohaveaholiday.it1.（09四川）6.Ilikethishousewithabeautifulgardeninfront,butIdon’thaveenoughmoneytobuy__________.it3.（09北京）2.Beingaparentisnotalwayseasy,andbeingtheparentofachildwithspecialneedsoftencarrieswith___extrastress.it4.（2006年浙江卷，4）_______isourbeliefthatimprovementsinhealthcarewillleadtoastronger,moreprosperouseconomy.It5.IfIcanhelp_______,Idon'tlikeworkinglateintothenight.it6.（2006年安徽卷，34）Catherineboughtapostcardoftheplaceshewasvisiting,addressedtoandthenposteditatthenearbypostoffice．it;herself7.（2007年山东卷，24）_____________worriesmethewayhekeepschanginghismind.It8.（2007年陕西卷，16）—Thereisstillacopyofthebookinthelibrary.Willyougoandborrow?—No,I’dratherbuyinthebookstore.it;one9..（2007年天津卷，1）Hedidn’tmake________clearwhenandwherethemeetingwouldbeheld.it