一、介词“in”的用法1.表时间inthemorning/afternoon/eveninginJulyinspring2.表场所intheclassroominChinainthesameclassinBeijingintheworldinthemiddleof在……的中间3.其他固定用法inhospital住院inturn轮流(read)inbed躺着（看书）inahurry匆忙地(stand)inline（站）成行；成线intime及时二、介词“at”的用法1.表时间atthemoment此刻,现在attimes有时；不时ateighto’clock在8点钟atnightatnoonatbreakfast在早饭时分2.表场所atschool/home/work上学、在家、上班atthefactory在工厂atthegate在门口atNo.2BakerStreet在贝克街2号attable/thetable吃饭、在桌旁三、介词“on”的用法1.表时间（指具体的一天）onMondayonMondaymorningonJune6onthemorningofJune62.表场所onthetree/wallontheearthontheright/left3.其他固定用法ontheleft/righthandsideonduty值日onwatch值班onavisit(to…)访问；参观……onshow展览onfoot步行onone’swayhome在某人回家的路上四、of的用法1:表示剥夺,除去

　　deprivesb.ofhisright

　　denudesb.ofhispossession(hope)

　　divestthebabyofhisclothes

　　ridhimofthisfearrobsb.ofhiswallet

　　defraudsb.ofgoldring

　　curesb.ofcancerhealsb.ofcancer

　　purifythenationcleanthejarofcrust

　　clarifytheriverofflowingrubbish

　　--getridof,ridof,disposeof

　　2:of接直接宾语

　　-告诉-tellsb.ofsth.informsb.ofsthwarnsb.offire

　　remindsb.ofhisdutiesacquaintsb.ofsth.notifyof..

　　-其他,劝服-persuadesb.ofhonestyassuresb.ofthebestseatsconvincesb.ofsth.

　　-法律词汇-accusesb.ofburglary;convictsb.ofmurder;suspectsb.ofatheft

　　-reassurehiswifeofhissafearrival

　　3:of接间接宾语

　　requeststh.ofsb.expectsth.ofsb.requiresth.ofsb.

　　askaquestionofsb.befearfulofmistakesbejealousofwealthypersonsbereminiscentofhispastbepatientoftheenormousnoisebeguiltyofrobberybeinnocentofrobbery

　　4:of表示人物的特性,籍贯,特性或出生等

　　HeisofIrishdescend(ascent)

　　Peopleofobscureorigin(humble/noble)

　　Manofkeenperceptionamanofmoralintegrity

　　5:固定词组

　　-sayof,taleof,hearof,thinkof,learnof,savorof

　　Theroomsmellsofstalecabbage.

　　-bragofhisachievements.Boastofhischildren

　　bewareofpickpocketsapproveoftheprogram

　　doubtofsuccesscomplainofpoormanagement

　　-besureofbesuspiciousofbeawareof

　　beconfidentofbeproudofbeashamedof

　　beafraidofbecapableofbelackof

　　becriticalofbeshortlyofbeconsciousof

　　beignorantofbewaryofbecautiousog

　　beappreciativeofyouradvice

　　-regardlessof,irrespectiveof,不管….无视

　　infavorof

　　decideonthreemostpopularleisure

　　activitiesirrespectiveofage

　　五、介词“for”的用法1.表时间（+一段时间）fortwodaysforaminute/moment/whileforlong永远forhours/days/years好几小时、几天、几年2.为……目的foroneself为自己(goout)forawalk（外出）散步