one it that的用法专练.ppt

1、it，one，ones，that，those可以用来代替上文中提到的名词，以避免重复。,1.it1)代替上文提到的名词，指代同一事物(同名同物)，不能带修饰语：,-Doyouwantthemagazine?-Yes，Iwantit.,IdontwanttodrinktheteaItistoohot,2)it用作人称代词时，可指已知的或暗含的事实或情况，或用作形式主语/宾语，也可替代性别不明的婴儿。,Oncethesupermarketcloses,itwillmeanthat200workerswillbelaidoff.,Itwouldbeapitytomissit.,Itisnotwort

2、hgettingupset.,Ifinditdifficulttotalktoyouaboutanythingserious.,Shethoughtitawasteoftimearguingwithhim.,Georgemadeitclearthathedisagreed.,2.one,1）代替上文中出现过的单数可数名词，表泛指（同类但不是同一）,前面可以有冠词或形容词，也可以有this或that或another，但前不能有物主代词：,Ihave1ostmypenImgoingtobuyone.,Thispendoesntwork.Imustbuyanotherone.,Ipreferthis

3、onetothatone.,比较：,Imlookingforaflat.Idlikeasmallonewithagarden.Imlookingforaflat.Idlikeonewithagarden.（不能说：.aonewithagarden.）,2）one作为不定人称代词,可泛指“任何一个人”，有ones和oneself形式。,Onehastotakecareofoneselfandonesfamilyifhecan.,3ones是one的复数形式，常用来代替复数可数名词，表泛指.,Ihaveanewcoatandseveraloldones.,Theseyellowovercoatsa

4、resosmall.Iwantthosegreenones.,4theone替代表特指的单数名词：,Herearesixrings.Pickouttheoneyoulikebest.,Yourdictionaryismoreusefulthantheonemyunclegaveme.,5theones替代表特指的复数名词：,Dontbuytheexpensiveapples;getthecheaperones.,Idliketotryonthoseshoes，theonesnearthewindow.,6that用来代替上下文中的名词，它表示与前面同类不同一的东西。that既可代替不可数名词，

5、又可代替单数可数名词，其后总有后置定语，一般不指人：,Lifeinthecountrysideseemsmoreexcitingthanthatintown.,Immovingtothecountrysidebecausetheairthereismuchfresherthanthatinthecity.,注意：that指代可数名词时，that相当于theone,若后置定语为of引起的介词短语，则通常用that。,Myroomisbetterthanthat/theonenextdoor.,Thepriceofwheatishigherthanthatofrice.,Thepopulation

6、ofChinaislargerthanthatofJapan.,7those是that的复数形式，可用来替代可数名词的复数形式，表示特指;有时theones和those可互换使用，常有后置定语：,Thestudentsinourclassworkharderthanthoseintheirclass.,Thebookismoredifficultthanthosewehavereadbefore.,Studentswhodowellinexaminationsarethosetheoneswholiketoaskquestionsinclass.,1.Ilike_intheautumnwhen

7、theweatherisclearandbright.A.thisB.thatC.itD.one2.-Doyoulike_here?-Oh,yes.Theair,theweather,thewayoflife.Everythingissonice.A.thisB.theseC.thatD.it3.Imreadinganewbookthesedays,_inEnglish.itB.thatC.oneD.which4.Mr.Greengavethetextbookstoallthepupilsexcept_whohadalreadytakenthem.A.oneB.theonesC.someD.theothers,C,C,D,B,5.Haveyoueverseenasnakealive?Yes,Iveseen_.A.thatB.soC.oneD.it6.Ipreferastreetinasmalltownto_insuchalargecityasShanghai.A.thatB.itC.thisD.one7.Meetingmyuncleafteralltheseyearswasanunforgettablemoment，_Iwillalway