1、介词介词一般位于名词或代词前,表示该词与句中其他成分的关系.介词后接名词或动词的ing形式介词介词时间介词时间介词方位介词方位介词其他介词其他介词时间时间表示时间的介词主要有at,on和inat:a.表示某一具体的时刻Heusuallygoestoschoolat3:20b.表示一天中某段时间或特定的时候atnight,atnoon,atthistimeofyear,atthattimec.表示节日,泛指atChristmas,atHalloweenona,表示具体某一天,表示在节日,onMayfirstonNewYearsDayb,表示在周几及其早、中、晚。onMonday,onSunday
2、afternoon,onacoldnightina,表示一天中的早、中、晚,inthemorning,intheevening.b,表示较长的时间段,如月份,季节,年份,世纪等.inthe20thcentury,in1989,insummer,inMay.When did you became an actor?_ 1995,when I graduated from college.”A.After B.In C.From D.Since 其他表示时间的用法:In&after在之后“in+段时间”表示将来的一段时间以后；“after+段时间”表示过去的一段时间以后；“after+将来点时间”
3、表示将来的某一时刻以后。Mymotherwillcomebackinthreeorfourdays.Hearrivedafterfivemonths.Shewillappearafterfiveoclockthisafternoon.The doctor will be free _ A10minutes later Bafter ten minutes Cin 10minutes D10minutes after For&from&sincefor后接时间段的名词词组，表示行为状态持续了多久。from接时间点的名词词组，表示行为或状态的起始点，而不涉及其持续时间的长短。since接时间点的名
4、词词组，不仅表示行为或状态 的起始点，而且还强调该行为或状态从起始点一直持续到此时此刻，因而与延续性动词的现在完成时连用Mr.Brown enjoyed the country life and lived there for almost fifteen years after his retirement.My younger sister began to learn dancing from the age of five.He has been working in Tibet since he graduated from college.Shirley,a real book l
5、over,often brings home many books to read _library.A.in B.for C.by D.fromMrs.Green has lived _ London _ ten years.A.at,forB.in,sinceC.in,for D.on,byHow long have you worked on the farm?_ the end of last year.”A.In B.By C.At D.Since How long will you work on the farm?_ the end of next year.”A.In B.By
6、 C.At D.Since When did you leave the farm?_ the end of last year.”A.In B.By C.At D.Since 注意注意在last,next,this,that,some,every,all或者tomorrow,yesterday,today等词之前一律不用介词：Wemeeteveryday.Wheredidyougolastweekend?Whereareyougoingnextweek?方位表示位置的介词,主要有at,in,on,toat(1)表示在小地方(一个点);(2)表示“在附近，旁边”athome,atthebuss
7、top,atschoolHeissittingatthedesk.Hearrivedattheairportat9:00am.in(1)表示在大地方;(2)表示“在范围之内”。InParis,inthewater,inschoolHearrivedinShanghaiyesterday.JiangsuliesintheeastofChina.（深度接触）on(1)表示在一个表面(2)毗邻，接壤Therearemanybooksonthedesk.RussialiesonthenorthofChina.(表面接触）to表示在范围外，不强调是否接壤FujianistothesouthofJiang
8、suProvince.区分点区分点over,underover指垂直的上方,与物体有一定的空间，不直接接触。under表示在正下方，不直接接触Thereisabridgeovertheriver.Thereisacatunderthetable.On，beneathon表示某物体上面，与之接触。beneath表示某物体下面，与之接触。Heputhiswatchonthedesk.The cloth is beneath the book.Above,belowabove指在上方,不强调是否垂直below表示在下Thebirdisflyingabovemyhead.Pleasewriteyour
9、namebelowtheline.He was a good student and scored _average in most subjects.A.below B.of C.on D.above(2011天津）表运动方向的介词：across,through通过，穿过across表示横过,即从物体表面通过，与on有关through穿过,即从物体内部穿过，与in有关。Sheswamacrosstheriver.Hewalkedthroughtheforest.Up向上down向下The sunlight came in _ windows in the roof and lit up th
10、e whole roomAthrough Bacross Con Dover There were a lot of people standing at the door and the small girl couldnt get _.A.between B.throughC.across D.beyond表示“在之间”的介词：between,amongbetween指在两个人或两个事物之间；among指在三个或三个以上的人或事物之间。ThereisafootballmatchbetweenClass1and2Theteacherisstandingamongthestudents.Ple
11、ase draw a line _ A and B.3.表示其他意义的介词1)on,about关于on表示书,文章或研究是关于某方面题材,话题的,学术性的about表示内容较为普通，不那么正式。Heiswritingabookoncooking.Hetoldmealotabouthisvocation.Nick，it is good for you to read some books _China before you start your trip there.A.in B.for C.of D.on People have always been curious_ how living
12、things on the earth exactly began.A.at,for B.in,sinceC.in,forD.on,by2)for of3)by,with,in表示方法、手段、工具by以方法、手段或泛指某种交通工具；bybus,byfoot,bydoingsthHemakesalivingbysellingnewspapers.with表示用工具、手段，一般指具体的工具手段writewithapenWhat do you want _ those old boxes？To put things in when I move to the new flatAby Bfor Cof
13、 Dwith In those days,we had no phones,so we have to keep in touch _ writing often.A.with B.of C.on D.by in表示用方式，用语言(语调、笔墨、颜色)等inagoodmanner,inredTheforeignerspoketousinEnglish4)except,besides除了except除之外，不包括在内besides除之外，包括在内ExceptMr.Wang,wewenttoseethefilm.BesidesMr.Wang,wealsowenttoseethefilm.5)as作为,担任,像Heworksasawaiterinthatrestaraut.a.asadj/advas和一样Sheisastallashersister.b.asadj/advaspossible/onecan尽可能Iwillcomeassoonaspossible/Icanc.aswellas和,不但,而且,和一样好Jimaswellashisbrother,wentoutforaparty.
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