it,代词的用法.ppt

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1、It做形式宾语和形式主语，用于代替动词不定式和从句1.find/think/consider/feel/make+it+adj./n.+todothatclause我发现与朋友旅游非常有趣。我发现与朋友旅游非常有趣。Ihavefounditfuntotravelwithmyfriends.他非常清楚地表示他想去上海读书深造。他非常清楚地表示他想去上海读书深造。Hehasmadeitclearthathewillgoonhisfurtherstudyinshanghai.It做形式宾语和形式主语，用于代替动词不定式和从句Itis+adj.of+sb.+todo=主语+be+形容词todo.Iti

2、s+adj./nfor+sb.+todo=主语+be+形容词todo.Itwassillyofyoutobelievehim.Youweresillytobelievehim.Itisamustforyoutolistentoyourteacherattentively.Youareamusttolistentoyourteacherattentively.It在句型中的特殊用法1.like,love,enjoy,appreciate,hate,dislike+it+when/if引导的从句2.seetoitthat,dependonitthat,oweittosb.that,takeitfo

3、rgrantedthat,想当然不喜欢你迟到。Idontlikeitifyouarelate.你放心我们绝不会灰心。Youcandependonitthatweshallneverloseheart.makeit及时赶到;成功;办成如果你赶快,还可以及时赶到。Youcanmakeitifyouhurry.你不必担心,他会办到的。Youneedntworry;hewillmakeit.我明白了。Igotit.It在句型中的特殊用法It在句型中的特殊用法Itis+时间+since+主语主语did（非延动词）（非延动词）我到纽约已经五个月了。ItisfivemonthssinceIarrivedin

4、NewYork.Its10yearssincemyfathersmoked.我爸爸戒烟已有10年了。stoppedsmokingquittedsmoking若since从句中的谓语动词是终止性动词，表示“自某人做某事以来已经多久了”；若从句中的谓语动词是延续性动词，则表示“自某人不做某事以来已经多久了”。-Whatwasthepartylike？-Wonderful！Itsbeenyears_IenjoyedmyselfsomuchA.afterB.whenC.beforeD.since我们没有见面已有10年。Itis10yearssincewelastmet.Itwas+时间段+sinces

5、b.haddonesth.自我们离开家乡已经10年了.Itis10yearssinceweleftourhometown.1.Thatwasreallyasplendidevening.Itsyears_Ienjoyedmyselfsomuch.(2005.全国I卷.29)A.whenB.thatC.beforeD.since2.Itis+时间段名词+before.若为主句为肯定句，意指“过了多久才”，若为主句为否定句，则是指“没过多久就”13小时以后他才会从上海到伦敦。Itwillbe13hoursbeforehearrivesinLondonfromShanghai.没多久他们就意识到他们

6、错了。Itwasnotlongbeforetheyrealizedthattheywerewrong.1.Scientistssayitmaybefiveorsixyears_itispossibletotestthismedicineonhumanpatients.A.sinceB.afterC.beforeD.when2.Itwassometime_werealizedthetruth.A.whenB.untilC.sinceD.before3.Howlongdoyouthinkitwillbe_Chinasendsamannedspaceshiptothemoon?Perhapstwoo

7、rthreeyears.A.whenB.untilC.thatD.before3.Itis/was+时间名词+when/thatItwas8oclockhecameback.Itwasat8oclockhecameback.whenthat4.Itis/was+地点名词+where/thatItistheplaceIwasborn.ItwasintheplaceIcametoknowhim.wherethatanother,more:另外的another:修饰单数可数名词more:修饰不可数名词和可数名词的复数这本书我想在借2个星期。Idliketokeepthisbookforanother

8、2weeks.for2moreweeks.one+名词,theother+名词（单复数）:一个；另一个；我有2本书，一本为科学，另一本为数学。Ihavegot2books.Onebookisaboutscience,theotherbookisaboutmath.Ihave3books.Onebookisaboutscience,theotherbooksareaboutmath.Ihavegot3books.Onebookisaboutscience,anotherbookisaboutmathandtherestbookisaboutEnglish.otherssome+名词,other+

9、名词:一些；另一些；我班有50人，一些来自于农村，另一些来自于城市。Wehavegot50kids.Somekidsarefromthecountry,otherkidsarefromthecity.others两者之间肯定否定bothneithereither三者之间肯定否定allnone:完全否定notall:部分否定eachany前面一定要有特定范围前面一定要有特定范围P43:4,6,8,9,other+名词(前面没有提到过的):另外的，其余的我们学习语数外和其他一些课程。WelearnChinese,math,Englishandothersubjects.anyother+名词(相当

10、与最高级):最,比都要美国要比世上任何一个国家要发达。TheU.S.Aisthemostadvancedcountryintheworld.TheU.S.Aismoreadvancedthananyothercountryintheworld.不定代词的用法all:，指物something:指物anything：指物everything：指物nothing：指物all:指人，someone:指人anyone：指人everyone：指人noone：指人 人称代词的用法主格宾格物主代词所有格反身代词Imeminemymyselfweusoursourourselvesyouyouyoursyour

11、yourselfyouyouyoursyouryourselves人称代词的用法主格宾格物主代词所有格反身代词hehimhishishimselfsheherhersherherselfitititsitsitselftheythemtheirstheirthemselves特殊用法no.(no)such修饰单数可数，复数和不可数名词Believeitornot,thereisnosuchthingasstandardEnglish.Nosuchpersonexists.Notsuchapersonexists.Nosuchpersonsexist.Notsuchanypersonsexist

12、.1)one,ones,that,thosethat/those在比较级、同等比较级和在比较级、同等比较级和equal、bedifferent替替换换指指物物的的单单、复复数数可可数数名名词词或或不不可可数数名名词词；One/ones只只替替换换指指人人和和物物的的单单、复复数数的的可可数数名词。名词。ThecoffeeproducedinBrazilismorefamousthan_inMexico.that1.Weremovingtothecountrysidebecausetheairthereismuchfresherthan_inthecity.A.ones B.itC.thatD.

13、theoneit/them，one/ones,that/those2)、前面有、前面有形容词形容词或或名词名词修饰（即前制修饰（即前制定语定语），用），用one/ones;后置定语有所有格后置定语有所有格of短语短语,用用that/thoseHisyoungersisteristallerthantheelder_.Ineedtheplasticbags,notthepaper_.oneonesThe windows of your flat are cleaner than_ofmine.thoseAgrandparentsjobiseasierthan_ofaparent.that2.Fe

14、wpleasurescanequalofacooldrinkonahotday.A.someB.anyC.thatD.those 3)、在在使使用用比比较较级级、同同等等比比较较级级、beequal或或其其他他句子句子时时：定冠词定冠词+名词名词(the+名词名词)：用用that/those不定冠词不定冠词+名词名词(a/an+名词名词)：用one/onesThestyleofthebuildingissimilarto_ofatemple.A CD player made in Japan costs more than_madeinChina.thatoneIboughtadictiona

15、rythreeyearsagoandIamstillusing_now.I bought a dictionary three years ago but I amgoingtobuyanew_soon.It/them完全指代前面所提到的名词短语；而而one/ones指代前面所提到的名词短语中的名词，因因此此，one之之前前一一般般要要有有形形容容词词和和名名词词来来修修饰语饰语。4)it和和oneitone1.Carsdocauseussomehealthproblemsinfactfarmoreserious_thanmobilephonesdo.A.oneB.onesC.it D.tho

16、se2.Wevebeenlookingforhouses,buthaventfound_welikeyet.A.one B.onesC.itD.them3.IpreferaflatinInvernessto_inPerth,becauseIwanttolivenearmyMoms.A.oneB.thatC.itD.this4.Helpingothersisahabit,_youcanlearnevenatanearlyage.A.itB.thatC.whatD.one5.ThecostofrentingahouseincentralXianishigherthan_inanyotherareaofthecity.A.thatB.thisC.itD.one 6.TheEnglishspokenintheUnitedStatesisonlyslightlydifferentfrom_spokeninEngland.A.whichB.whatC.thatD.theone7.Ivereadanotherbookthisweek.Well,maybeisnothowmuchyoureadbutwhatyoureadthatcounts.A.thisB.thatC.thereD.it