IT用法讲与练

Itisalongwaytomyhouse.Canyoumatchtherightanswer?Whatdoesitstandfor?ItisApril11thtoday.ItrainsalotinNewZealandNowit’sninetoaquarter.天气距离日期时间1.It:可用于表达天气、时间、日期、距离、季节、温度、环境等2:It作人称代词,代替前面提到的事物,动物或人,在句中可做主语或者宾语;XxhasamMP3,andcanyoulendittome?宾语TheMP3Myunclehasgotadog;hehashaditforoneyear.宾语Thedog他脱掉他的帽子,把它挂在墙上.Hetookoffhishatandhungitonthewall.宾语Hishat-Whoisknockingonthedoor?-是我主语whoHehasababy;helovesit.宾语thebabyIt’sme.指与谋事有关的人或物Payattentionto‘It’and‘One’.-XxhasamMP3.-Canyoulendittome?-Wheredidyoubuyit?-Iwanttobuyone.Xx’sMp3AnotherMP3ThedictionaryAnotherdictionaryYesterdayshesawadictionaryinabookstoreandheboughtit.Hehasadictionaryandshewantstobuyone,too.1).Itisimportantforyoutolearnwell2).ItissaidthatyouarenotallowedtouseMp3inclass.3.it作形式主语.a.Itis+形容词(+forsb.）+todosthb.Itis+名词+todosth1).it作形式主语.Theinfinitive(不定式)做真正的主语.important,necessary,easy,hard,safe,interesting,difficult,common,normal,natural,dangerous,unusual,possible,impossible,pleasantandsoon.a.Itis+形容词(+forsb.）+todosth在公共的地方大声讲话是不礼貌的玩火是很危险的Itisimpolitetotalkloudlyinpublicplaces.Itisdangeroustoplaywithfire.在此结构中,当形容词是表示不定式逻辑主语的特征或属性(如:wise,bright,kind,nice等)时,介词用of;形容词是说明不定式短语(如:important,possible,necessary,strange等)时,介词要用for。Forexample:你真好,帮了我一个忙.对与你一个小时做这么多作业是不可能的.Itiskindofyoutogivemeahand.Itisimpossibleforyoutodosomuchhomeworkinanhour.badmanners,agoodhabit,ashock,apleasureandsoon.b.Itis+名词+todosth睡得很迟并不是一个好习惯.去野炊是一件很快乐的事情.Itisnotagoodhabittostayuplate.Itisapleasuretogotopicnic.Itisapitythatyouhas’treadthebook.2).it作形式主语Theclause(从句)做真正的主语.a.Itis+名词+clauseb.C.ItisimportantthatwelearnEnglishwellinthefuture.ItissaidthathehasgonetoNewYorkItis+形容词+clauseItissaid/reported/announced/(well)known+clauseAttention:remember.Itisnouse/gooddoingsth.Itisnogoodgoingtheresoearly.it作形式主语-ing(动名词)做真正的主语.Itisnousetryingagain1.it指代时间,季节,距离等.2.It作人称代词,代替前面提到的人或物.3.it作形式主语.当不定式,从句,动名词作主语时,常用it作形式主语.Conclusion(总结)1._______isverycleartoeveryonethatheisroundandtalllikeatree.A.ThisB.WhatC.ThatD.ItD2.Someoneisatthedoor,whois_________?A.thisB.thatC.itD.heC3.____raininghardforthreehourswithoutstopping.A.ItisB.ItwasC.IthasbeenD.IthadbeenC4.—Hastheboygothisbicyclenow?—Yes，thepolicegave_______.A.himtohimB.ittoitC.ittohimD.himtoitC5.Itisimportant_______theiroffer.A.reject(反对)B.rejectsC.torejectD.rejectingC6.Weneededanewdesk.SoPetermade____fromsomewood.A.itB.oneC.himselfD.anotherB7.Has________beendecidedwhenwearetoholdthesports-meeting?A.thatB.thisC.whatD.itD8.______thatshehasgonetotheUnitedStates?A.WasittrueB.IsittrueC.ItistrueD.ItwastrueB9._______certainthathisinventionwillleadtothedevelopmentofproduction.A.That’sB.ThisisC.It’sD.What’sC10._________thatthere’sanothergoodharvestthisyear.A.ItsaysB.ItissaidC.ItwassaidD.HewassaidB11.It’snouse____overspiltmilk.A.cryB.cryingC.thatyoucryD.foryoutocryBDogrammarP103-104Reviewintegratingskill.