精品中考英语中考英语必备IT用法概览.docx
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精品中考英语中考英语必备IT用法概览.docx
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精品中考英语中考英语必备IT用法概览
(精品中考英语)中考英语必备:
IT用法概览
中考英语必备:
IT用法概览摘要:
一、指代物it可替代动植物与无生命的东西,它与one的区别在于one=a/an+none;it=the+n。
1.---Whereismypencilcase?
---Isntitinyourbackpack?
2.---Ihaveamotorbike.It(=themotorbike)一、指代物it可替代动植物与无生命的东西,它与one的区别在于one=a/an+none;it=the+n。
1.---Whereismypencilcase?
---Isntitinyourbackpack?
2.---Ihaveamotorbike.It(=themotorbike)wasboughtthreeyearsago.3.Asthischairisbroken,Imusthaveit(=thechair)repaired.4.Myfatherboughtapenandgaveit(=thepen)tome.5.Youcannoteatyourcakeandhaveit.世事难两全。
试比较:
6.Ihavenodictionary,soIwanttobuyone.(one=adictionary)7.Ihaveadictionary,itisoverthere.(it=thedictionary)二、指代人it可指代一个未亲眼看到的、不明身份性别的、面目不详的人,或婴儿、儿童,照片中的人物等。
8.---Whoistherewavingtoyou?
---ItsmyfriendTom.9.---Whoiscryingintheroom?
---ItsmybrotherJack.10.---Whoisknockingatthedoor?
---ItmustbeKate,myclassmate.11.---Whoisthegirlinthephotoonthewall?
---Itsmysister.12.---Whoisit?
---Itsme.(有人敲门)13.---Someoneisringingthedoorbell.Goandseewhoitis.(敲门)14.---Oh,bytheway,thereisatelephonecallforyou.---Whowasit?
(打电话)15.---Whoismakingsomuchnoise?
---Itmustbethechildren.16.Thereisapersonknockingatthedoor.Whocanitbe?
17.Justatthattime,incameagirl.ItwasMarkssister.18.Thereisayoungladyatthedoor.Itishisdaughter.19.Whatabeautifulbaby!
Isitaboy?
20.Ababyislyinginthecradle.Itwasborntwomonthsago.21.Thebabycrybecauseitishungry.22.Thebabyhasgotitsfirsttooth.注意:
若身份已确定则要用人称代词。
23.Thereisaladyatthedoor.Shewantstoseeyou.注意:
向别人介绍某人时用this。
24.Thisismyfriend,Jim.三、指代前述内容,或者是文中的内容25.Beautyiseverywhere.Itmakesushappy.26.Thereisafootballmatchtonight.Itstartsatsixoclockintheevening.27.Ifyourememberthesepoints,itwillhelpyou.28.Whenwedieforourmotherlandorthepeople,itisaworthydeath.29.Youhavehelpedmealot.Ishallneverforgetit.30.YangLiweiwasthefirstChinesetobesentupintospace.ItmadetheChineseproud.31.Hismotherisfifty-seven,butshedoesntlookit.32.Mr.Wangwasill.Haveyouheardit?
33.---Thankyouforyourhelp?
---Dontmentionit.34.Althoughwecantseeit,thereisairallaroundus.35.Itwouldbewonderfulifyoucouldcometohelpus.四、指时间36.---Whattimeisitbyyourwatch?
---Itstenminutespasttwo.37.---Whatdayisittoday?
---ItsFriday.38.---Whatsthedatetoday?
---ItsMay1st.39.Itsearlyspring,butitsstillverycold.makeit+时间把时间定在;约定40.Letsmakeiteightoclock.41.Let’smakeitthreeo’clocksharp.我们约定3点整吧。
Itstime(forsb.)todosth.42.Itstimetohavesupper.=Itstimeforsupper.53.Itstimetotakeawalk.44.Itistimeforustosetout.45.Itistimeforyoutogotobed.Itstimeforsth.46.Itstimeforclass.(口语中可省略为Timeforclass.)47.Itstimeforlunch.(口语中可省略为Timeforlunch.)48.Itstimeforabreak.(口语中可省略为Timeforbreak.)49.Itstimeforarest.(口语中可省略为Timeforrest.)50.Itstimefordinner.(口语中可省略为Timefordinner.)Itshigh/abouttime+did/should(虚拟语气)51.Itshightimeyouleft.52.Itsabouttimeweshouldworkhardatourlessons.Itis/hasbeen+时间+since53.Itstwentyyearssincesheleftme.54.Ithasbeen20yearssinceIlefthere.55.Iheardithadbeen20yearssincetheydepartedfromeachother.Itwas/willbe+时间名词+before从句在多长时间后才发生某事56.Itwastwentyyearsbeforetheymetagain.57.Itwontbelongbeforeyourecover.58.ItwillbetwoyearsbeforeIcomehereagain.五、指天气等自然现象59.ItsverycoldinwinterinHaerbin.60.Itsfivedegreebelowzero.61.Itwillbewindytomorrow.62.Itwillsnowheavilytomorrow.63.Thevolleyballmatchwillbeputoffifitrains.64.Itwassnowingheavilywhenhewentout.65.---WhatstheweatherlikeinBeijing?
---Itscloudy.六、指距离、速度、金钱、度量66.Itsjusttwostopstothepark.到公园只有两站路。
67.Itsabouttenkilometersfrommyhometomyschool.68.Itsabouttenminuteswalkfromheretothezoo.69.Itis90dollarsinprice.70.Its200mphinvelocity.速度是每小时200英里。
Itis+数词+meters/miles/kilometerslong/wide.71.Itsthreekilometerslongforfromeasttothewest.72.Its200meterswidefromthissidetothatside.七、指环境情况73.Itsveryquietintheforest.74.Itllbeveryinterestingatthepartytoday.75.Itisalwaysverycleanandtidyinmysonsroom.76.Itsverychillyinmyroom.77.Itwasnoisywhenhegottotheclassroom.78.Ifitisconvenienttoyou,Iamgoingtovisityou.79.Itwasexcitingwhenwewatchedtheastronautstakingspacewalks.八、替代this或that80.---Whatsthis/that?
---Itsmypencilsharpener.81.Thatsnotinteresting,isit?
82.Thisisyourpoint,isntit?
九、作形式主语
(一)、替代动词不定式Itis+adj.todosth.83.Itisgoodtoeatvegetables.84.Itisanhonortohavebeenaskedtospeakatthemeeting.Itis+adj.+forsb.todosth.注意:
此结构中的形容词是描述事情的、说明句尾动词不定式特征的形容词。
这些形容词主要有certain,clear,dangerous,difficult,easy,hard,illegal,impossible,important,obvious,possible,polite,proper,right,unnecessary,unimportant,unlikely,useless,useful等。
85.Sheissuchaneccentricwomanthatitisdifficultforanyonetogetonwellwithher.86.Itisagoodcustomforyoungpeopletogiveuptheirsetstooldpeopleinthebusestrains,orsubways.Itis+adj.+of+sb.todosth.注意:
本句型中的形容词一般表示人(逻辑主语)的某种特性,要么是夸赞,要么是贬损。
主要有brave,careful,careless,considerable,cruel,clever,foolish,good,grateful,generous,impolite,kind,nice,polite,rude,silly,stupid,thoughtful,unkind,wise,wrong,等。
87.Itiskindofyoutolendmesomanybooks.88.Itiscleverofyoutosolvesodifficultaproblem.89.Itiswiseofyoutorefusehisoffer.90.Itisremarkableofhertobealwaysworkinglikethis.Itisapity(forsb.)todosth.很遗憾做某事91.Itwouldbeapitytomisstheopeningceremony.92.ItisapityforyounottogotoPariswithus.Itisagreatrelief(tosb.)todosth.做是一大慰藉;真叫人送了一口气93.Itisagreatrelieftohaverainafteralongtimeofdrought.94.Itsagreatrelieftometoknowyouaresafe.95.Itsagreatrelieftohearthatshewontheprize.Itisworthwhiletodosth.做是值得的注意:
本句型就相当于Itpaystodosth.;worthwhile不要写成worthwhile。
96.Itisworthwhiletotakeatripabroad.97.ItisworthwhiletolearnEnglish.Itsbesttodosth.最好做某事=Todosth.isbest.98.Itsbesttosetofftomorrow.最好明天动身。
=Tosetofftomorrowisbest.99.Itsbesttoreviewthelessonsonemoretime.=Toreviewthelessonsoncemoreisbest.ItsbettertodoAthantodoB=TodoAisbetterthantodoB.100.Itisbettertoborrowthantobuy.=Toborrowisbetterthantobuy.101.Itsbettertostayathomethantogotothecinema.=Tostayathomeisbetterthantogotothecinema.Howisitpossibletodosth.?
这怎么可能?
102.Howwasitpossibletofalldownfromthethirdfloorwithoutbeinghurt?
103.Howisitpossibleforagirloftentoflyanairplane?
Itsnousetodosth.做是没有用的104.Itsnousetoarguewithhim.105.Hedoesntknowtheanswer,soitisnousetoaskhim.Ittakes(sb.)+时间/条件+todosth.某人花了多少时间做某事;做某事需要(条件)106.Ittakesmehalfanhourtowalkfromheretoschool.107.HowlongdoesittaketoflyBeingtoLondon?
108.IttakespatienceandhardworktomasterEnglish.Itcostssb.somemoneytodosth.某人花多少金钱做某事109.Itcosthimagreatdealofmoneytotakethetrip.100.Itcostme2019dollarstocollectthesestamps.Itoccurstosb.todosth.某人突然想到做某事111.Itneveroccurredtometotakeadvantageofyou.我决没有想到过要占你便宜。
(利用你)Itfeels+adj.+todosth.112.Itfeelspleasanttotalkwithher.同他谈话使人感到愉快。
113.Itmustfeelstrangetohaveatwinbrother.114.Itfeelsunhappytobewithhim.同他在一块让人感到不舒服。
115.Itfeelsnicetotakeawalkintheevening.晚间散散步感觉很好。
其它例句116.Itseemsapitynottohavetakenhisadvice.117.Itwonthurttopostponethepartyforafewweeks.118.Itdidsurprisemetohearyousayso.119.Itgavegreatpleasuretohavefinishedthisworkaheadofthedeadline.
(二)替代动名词动名词可以直接位于句首作主语,但为了强调,或动名词过长时,要用it作形式主语置于句首,而把动名词放到句子最后。
这也是英语尾部重压原则所要求的。
Itisnogood/use(in)doingsth.做是没用的;做是白费力气的=Itisofnogood/usedoingsth.=Itisnotanygood/usedoingsth.120.Itisnosuecryingoverspiltmilk.覆水难收,悔恨无益。
121.Itisnousetryingtodrownyoursorrowsindrink.解酒浇愁无济于事。
122.Itsnogoodgettingcrosswithhim.和他生气没有用。
123.Itsnogoodreadingwithoutfullunderstanding.Itsexcitingdoingsth.124.Itsexcitingmeetingyouhere.Itsdangerousdoingsth.125.Itsdangerousplayingwithfire.Itsfoolishdoingsth.126.Itsfoolishbehavinglikethat.Itspleasantdoingsth.127.Itspleasantlyinginthesun.Itsfundoingsth.128.Itsfunbeingamagician.Itsnousedoingsth.做没有用129.Itsnousecryingoverspiltmilk.130.Itsnouseregretting.131.Itsnouseyourunningaway.注意:
1.辨析:
Itsnousedoingsth.Itsnousetodosth.132.Itsnousedoingsth.通常指比较一般的情况。
133.Itsnousetodosth.常指具体的情况,也就是指在某一特定的场合所发生的事情。
2.类似句型134.Itsuselesstodosth.135.Itsofnousetodosth.Itsanuisancedoingsth.做很烦人。
136.Itsanuisancehavingtodosomuchhomework.注意:
这一结构中的动名词还可加ones即物主代词来充当该动名词的逻辑主语。
137.Itsawasteoftimeyourtalkingtohim.Itisjustlikecastingpearlsbeforeswine.138.Itwasgreatencouragementtoustheircomingtohelp.139.Itisuselessdoingthatoverandoveragain.注意:
辨析:
Itsnicetodosth.Itsnicedoingsth.140.Itsnicetodosth.常用于见面或活动开始;Itsnicedoingsth.则用于分手
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