oneonesthatthoseitthisthat区别0.pptx

辨别one,theone,ones,theones,it,that,thoseone/ones用来代替可数名词,表泛指­theone/theones/that/those表特指­that指上文所提到的事it指上文所提到的物（本身）Ihaveabike.Doyouhave?Ihavetwopens,aredandablue.—Whichone?—inthewhitecar.当one和ones被定语修饰，表示特指时，前面用定冠词。ThesenewEnglishbooksaredifferentfromtheold.—Whichwindows?—intheclassroom.one前面可以加this或that。构成thisone和thatone，而ones前面不能用these或those，但当ones前面有形容词修饰时，可以用these或those。如：Thisappleisred,butthatoneisyellow。ThesewhitecoatsareLiPing'sandthoseblueonesareLiDong's.替代词one,ones,that,those,it,this,thatthat只用于替换表示事物的名词，而one/ones替换表示人和表示事物的名词皆可。that/those一般不带前置定语，但必须有后置定语。one/ones都可。当替换词的后置定语用所有格的of短语或当替换词被所有格修饰时，不用one/ones而用thatof/thoseof.that/those用于替换有定冠词的名词；one/ones用于替换有不定冠词的名词。1.Ipreferredrosestowhite.2.Acakemadeofwheatischeaperthanmadeofrice.3.Thecostofwheatislessthanofrice.4.Thehousesofthericharegenerallylargerthanofthepoor.5.ThepopulationofChinaismuchlargerthanofJapan.6.Thestudentsinourclassaremuchclevererthanintheirclass.7.Thepenmyfatherboughtformeischeaperthanofmyclassmates.AscientistwhospeaksandwritesEnglishisinclosertouchwiththescientistinothercountriesthan____whodoesn't.A.oneB.thoseC./D.that2.TheEnglishspokenintheUnitedStatesisonlyslightlydifferentfrom____spokeninEngland.A.whichB.whatC.thatD.theone2)it,this和that当前面提到的事物不止一件时，it通常指最先提到的事物，而this/that是指最后提到的事物。This可以出现在它所指代的事物之前；而that则指上文所提到的事物。Eg:IboughtadictionarythreeyearsagoandIamstillusing______now.IboughtadictionarythreeyearsagobutIamgoingtobuyanew_______soon.It引起的几个易混淆的时间句型It+be+时间+since-clause这个句型表示从since从句谓语动作发生以后到现在或过去所经过的一段时间，意为“自从......以来已多久了”Itisthreeyearssincehisfatherpassedaway.It+be+时间+before-clause这个句型中的时间一般为表示一段时间的词语(如：alongtime,months,weeks,days,hours,minutes)，主句中的谓语动词用肯定式，意为“过多长时间才......”。主句的谓语动词是否定式时，意为“没过多长时间就......”。主句的时态可用过去时was或将来时willbe；用was时，before从句的动词用一般过去时；用willbe时，before从句常用一般现在时。她没过多久就背会了那些诗歌。Itwas_______________shelearnedthosepoemsbyheart.过了很久警察才来。Itwas______________thepolicearrived.要过好几个小时他才会作出决定。It__________hoursbeforehemakesadecision.要不了几个小时我们还会再见面的。__________________beforemeet