inonat后加时间的讲解in,on,at加时间时候的区别。in加年，月，季节等大时间。如，in1981.on加具体某一天，具体某一天的上午中午下午晚上。有形容词修饰的上午中午下午晚上。at加具体时刻。如at8;30.固定搭配；inthemorning、intheafternoon、intheevening、atnight.选择in,on,at.____Monday____themornong.____Mondaymorning_____acoldmorning.______themorningofMonday______acoldnight______night______7:00.______Shanghai_____theschoolgate_____duty.in,at,on,接时间的区别：in加大时间，如年月，季节，如：inspring在春天，at加具体时刻如：at8：30on加具体某一天，具体某一天的上午，中午，下午，晚上。或有形容词修饰的上午，中午，下午，晚上。如：onacoldmorning.在一个寒冷的早上。（2）in,on,at的一些固定用法，inthemorning在早上，intheafternoon在下午intheevening在晚上intwoidays在两天之内，或在两天之后，atnight在深夜1atnoon在中午（3）for加上一段时间fortwodays。做题：选择in,on,at.____themorning_____Mondaymorning____ahotmorning____Wednesday_____1999_____summer/s_____night_____awarmnightI’llcomeback_____twominutes.HehasbeeninJinan____sevenyears.初中英语语法介词强化练习题1.Someareas,_______theirsevereweatherconditions,arehardlypopulated.AbutforBinspiteofCduetoDwithregardto2.Visitorsareaskedtocomply______theregulations.AatBinCwithDon3.He______somuchworkthathecouldn’treallydoitefficiently.AputonBtookonCbroughtonDturnedon4.Inordertosavetime,I______myshoppingtoonceaweek.AcutoffBcutoutCcutupDcutdown5.Theideahas______thatsciencecannotbewrong.ApiledupBpickedupCgrownupDputup6.Hedideverythinghecouldtopreventiffrom______intofighting.2AbreakingoffBbreakingupCbreakingoutDbreakingof7.Theconstructionofthenewbuildingwillcost______1,000,000dollars,andit’snoteasytogetsomuchmoney.AatlastBatmostCatleastDatlarge8.Nobodynoticedthethiefslipintothehousebecausethelighthappenedto____.A.beputupB.giveinC.beturnedonD.goout9.Everymorningshewouldgivehimbreakfast____bedandbringhimthepaperstoread.A.toB.atC.inD.by10.Yourperformanceinthedrivingtestdidn’tteachtherequiredstandard,____,youfailed.A.intheendB.afterallC.inotherwordsD.atthesametime11.Whydon’ttheybuildanewroadthatgoes____thetown?A.toB.throughC.overD.round12.____productionupby60%,thecompanyhashadanotherexcellentyear.A.AsB.ForC.WithD.Through13._____thisbookandtellmewhatyouthinkofit.A.LookthroughB.LookonC.LookintoD.Lookup14.Thedoctorwillbefree____.A.10minuteslaterB.after10minutesC.in10minutesD.10minutesafter15.Didyouhavetrouble____thepostoffice?A.tohavefoundB.withfinding3C.tofindD.infinding16.Ifyoukeepon,you’llsucceed_____.A.intimeB.atonetimeC.atthesametimeD.ontime17.Weofferedhimoutcongratulations_____hispassingthecollegeentranceexams.A.atB.onC.forD.of18.----Howlonghasthisbookshopbeeninbusiness?A.AfterB.InC.FromD.Since19.Thetrainleavesat6:oopm.SoIhavetobeatthestation____5:40pmatthelatest.A.untilB.afterC.byD.around20.DoesJohnknowanyotherforeignlanguage_____French?A.exceptB.butC.besidesD.beside答案与解析（部分）1---7（略）8.答案是D。A和B与句意完全不符，putup意为“举起”，givein意为“让步”。C项意为“开灯”，与该句意思相反。D项意为stopburningorshining,正适合句意。9.答案是C。本题考查bed一词与什么介词搭配。“在床上”应上inbed。10.答案是C。本题考查对几个介词短语的辨析。A项意为最后，B项意为毕竟，D项意为同时，这三项均不符合句意。C项意为换言之正合题意。11.答案是D.本题考查对这几个介词的辨析。A和C明显不符合题意。through通常是指通过某个空间，如gothroughatunnel（通过隧道），因此C项也不合题意。12.答案是C.with可表示原因，意为“因”、“由于”。13.答案是A.Lookon意为“旁观”，lookinto意为“调查”，lookup意为“抬头看”，这几个选项均不符合题意。414.答案是C。本题考查对表示时间的介词短语的掌握。in与一段时间连用表示“…….之内”或“……之后”。after与一段时间连用通常用于过去时。15.答案是D如果能掌握havetroubleindoingsomething这一句型，就知道答案了。16.答案是A.本题考查对介词短语的辨析能力。intime除了意为“及时”外，还可为“迟早”、“总有一天”，相当于soonerorlater/someday.17.答案是B.本题考查对介词与名词搭配的掌握。表示“向某人祝贺谋事”、常用的句型是offersomebodycongratulationsonsomethingordoingsomething。18.答案是D。问句使用现在完成时，只有since才能与之搭配。19.答案是C.20.答案是C.本题考查对习惯用语的掌握，helponeselfto是固定搭配。5
