That用法总结

That用法总结That在英语中是一个使用频率很高的词。它可用作代词、连词、关系代词等，有时可以省略。但在以下几种情况下that不可省略，使用时尤其需注意。一、that用作指示代词，指上文提到的人或事物(单数名词)，且需一个后置定语来修饰，此时that不可省Theircottonoutputof1997wasdoublethanthatof1987.Mary’shandwritingisfarbetterthanthatofPeter.二、that用作副词。1.that用作普通副词。Iwasthat/soangryIcouldhavehithim.三、that用作连词，1。在so...that,such。。。that,inorderthat等引导的状语从句中，that不可省。Theystartedsoearlythattheymightarriveintime.Itissuchaheavyboxthatnobodycanmoveit.Heworkedhardinorderthathemightcatchupwiththeothers.引导条件状语从句。意为“假使、假设”。Supposingthatyouwereinmyposition,whatwouldyoudo?Onconditionthatyouwerelostinthedesert,youshouldaskforhelpassoonaspossible.nowthat，意为“既然、由于”。Nowthattheyhavetakenmattersintotheirhands,thepaceofeventshasquickened.2、that用作连词，引导主语从句时，当它放在主句谓语动词之前时，that不可省。Thathecamelatemadehisteacherangry.Thatshewaschosenmadeusveryhappy.如用it作形式主语，把从句置于谓语动词之后时，that可以省略。例如：Itisapity(that)hehasmadesuchamistake.Itisobvious(that)heisright.3、that用作连词，引导表语从句和同位语从句时，that不可省。Thenewsthatourteamhaswonthematchistrue.Myideaisthatweshouldgetmorecomradestodothework.4、that用作连词，引导宾语从句时，如主句的谓语动词是及物动词make,find,see等时，且后有宾语补足语时，that引导的从句可置于宾语补足语之后，用it作形式宾语，此时that不可省。Wefinditnecessarythathewillsucceed.Hemadeitclearthathewasnotinterestedinthissubject.三、that用作关系代词，引导定语从句时，当它作为从句的主语时，that不可省。Allthathavetodoistopractiseeveryday.That’sthesamemanthataskedmeformoneyyesterday.但如that作从句的宾语时，that可省略。Theletter(that)Ireceivedwasfrommyfather.四、在强调句型Itiswas...that结构中，that不可省。ItisEnglishthatProfessorLiteachesus.ItwasinShanghaithatIsawthefilm.《英华大词典》(P1439)认为，that可用作关系副词。在表明方式、时间或地点的单词后面，常用that来代替inwhich，when或where,that也可省去。一、表示方式时，that(=in+which)常省去。此时不能用how引导定语从句，但可以把theway去掉之后，直接用how引导。如：Idon’tliketheway(inwhich/that/省略)theseparentstreattheirchildren我不喜欢这些家长对待孩子的方式。Idon’tlike(theway)howtheseparentstreattheirchildren.我不喜欢这些家长对待孩子的方式。二、表示地点时，that(=where=介词+which)也可省掉。如：Doyouknowanywhere(that)Icanputupforthenight?Thisistheplace(that=where=atwhich)heworks三、表示时间时，that(=when=介词+which)也可省掉。如：ThisisthelasttimethatIshallgiveyoualesson.Welefttheday(that/when)hearrived.我们在他来的那天走的。四、另外，关系副词that有时还可用来代替关系副词why，表示原因。Thereasonthat(=why)helosthislifewaslackofmedicalcare.在下面这个句子中，不能用why,只能用which/that：Idon’twanttohearanyreason(that/which)youmightgive.我不想听你所提出的任何理由。五、thesame…as…与thesame…that…，such…as…与such…that…1、thesame…as…引导的定语从句往往侧重方式，“如同……一样的”，thesame…that…引导的定语从句往往侧重同一对象或人。如：Iboughtthesamedictionaryasyouborrowed.我买了一本和你借的词典一样的词典。ImetthesamepersonthatIsawyesterday.我遇见了昨天我看见的同一个人。在表示方式时必须用thesame…as…。如：YoushouldwatchcarefullyanddothesamethingasIdo.such…as…引导定语从句，such…that…引导结果状语从句。如：Theyhadsuchafiercedogthatnoonedaretogoneartheirhouse.他们家有一条凶狗，没人敢靠近他家。（that在句中不做成分）TheyhadsuchafiercedogasIhadneverseen.他们家有一条我从未见过的凶狗。（as在句中作seen的宾语）