介词的用法与练习I.介词的种类1.简单介词，常用的有at,in,on,about,across,before,beside,for,to,without,to,by,with,of,over,behind,up,after,against等。2.复合介词，如onto,alongwith,becauseof,infrontof,insteadof等。3.介词和其他词类的习惯搭配关系(1)和动词的搭配，如agreewith,askfor,belongto,keepawayfrom,careabout等。(2)和形容词的搭配，如afraidof,angrywith,differentfrom,goodat(3)和名词的搭配，如answerto,keyto,reasonfor,avisitto等.***介词后常跟人称代词的宾格和动词的ing形式。II.某些介词的意义与用法区别1.at,on,in(表时间):at表示时间的一点；in表示一个时期；on表示特殊日子A.at后常接几点几分，天明，中午，日出，日落，开始等。如：atfiveo’clock,atdown,atnoon,atmidnight,atthattime/moment，atthistimeofdayB.in后常接年，月，日期，上午，下午，晚上，白天，季节，世纪等。如：in2006,inMay，2004，inthemorning，intheafternoon，intheevening，inthe21stcentury，inthreedays，inaweek，inspring。**C.on后跟某日，星期几，某日的朝夕，节日等,即具体某一天极其早\中、晚.onSunday，onawarmmorninginApril，onaDecembernight，，onChristmasafternoon，onOctober1，1949，onNewYear’sDay.**(特别提示):在last,next,this,that,some,every等词之前一律不用介词2.between,among(表位置)“在…..之间”A.between仅用于二者之间，如I’msittingbetweenTomandAlice.B.among用于三者或三者以上之间。如：Heisthebestamongthestudents.3.beside,besides,exceptbeside意为"在…旁边"，Hesatbesideme.besides意为"除…之外",包括在内。Whatdoyouwantbesidesthis?except意为"除…之外",不包括在内TheygotoworkinaweekexceptSaturday.4.inthetree,onthetreeinthetree,指动物或人等外来的东西在树上，onthetree,指果实或叶子等树本身长出来的东西5.ontheway,bytheway,inthiswayontheway指在路上,onone’swayto.....bytheway指顺便问一句inthisway用这样的方法,inthatway,inotherway,intheseways6.across,through,和past“通过,经过”across从表面经过,如,road,bridge,riverthrough从内部空间经过,如:city,woods,forests,window,gatepast,从旁边经过.EX:Fillintheblankswithpast,acrossorthrough.1.Wehavetowalk____________thegatetogointothefactory.2.Whenwewent__________thecinema,wesawatrafficaccident.3.Lookout___________thewindow,please.4.Don’twalk__________theice.It’sdangerous.5.Suddenly,ayoungmanran__________me.6.Ifyouwalk_________thesquare,youwillseetheSunflowerHotel.7.Therivergoes______________thecity.8.Theoldmancanswim__________thestream.9.Iwalked_________himwithoutsayinghello.10.Thearmymoved_____________theforestsquietly.7.for,since,A.since仅说明什么时候开始，,后常跟一个具体的过去的时间.B.for表示某动作或情况持续多久,后常跟一段时间。Hehasstudiedthepianofor5years..Theyhavelivedheresince1978.EX:Fillintheblankswithfororsince.1.Thelittleboyhasbeenwaiting________twohoursoutside.2.Hehastaughthere________hegraduatedfromthecollege.3.Themanhasworkedinthecompany________twentyyearsago.4.HaveyoulivedinChina_____manyyears?5.Hergrandmahasbeenill_________afewmonths.8.in,after“……以后”A.“in+段时间”表示将来的一段时间以后,用在将来时态中.,常回答howsoon的提问.B.“after+段时间”表示过去的一段时间以后,相当于一段时间+laterMymotherwillcomebackinthreeorfourdays.Hearrivedafterfiftyminutes.=Hearrivedfiftyminuteslater.EX:Fillintheblankswithinorafter.1.TheywillleaveforGuangzhou________twohours.2.Myfathersaidthathewouldcomeback_______aweek.3._______threehous,theyarrivedatasmallvillage.4.Willyoubeabletofinishthetask________halfanhour?5.Mr.Wangfinallymasteredhowtoworkthemachine________tendays.9.by,with,in,on表示方式,手段,工具，A.by以……...
