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1、M7U1Grammar导学案(Prepositionsandprepositionalphrases)Learningaims(学习目标):Toreviewtheusageofsomecommonprepositionstoexpresstime,place,and-movementTolearnthatprepositionscanbecombinedwithverbs,nouns,andadjectivestoformprepositionalphrasesImportantpoints(学习重
2、点)：TolearnhowtousesomecommonprepositionsandprepositionalphrasesindifferentsituationsDifficultpoints(学习难点)：ToapplywhattheyhavelearnttopracticebyfulfillingsomewrittentasksLearningguides(方法导引)：compare,deduceandpracticeLearningprocedure（学习过程）:Step1Lead-inT
3、hehouseholdappliancesectionisonthefifthfloor.ElectricalappliancesareusefulforkeepingourdailyliveseasyDon’tlookoutofthewindowinclass.1)What’sthepartofspeedofthewordsinbold?2)Wherearetheyput,beforeanounorafteranoun…?3)Whataretheyusedtoexpress?Step2Prepos
4、itionsofTimePrepositionslikeat,in,on,for,byandsincecanbeusedtoexpresstime.Othersoftimeinclude________________________________________,etc.1、表示时间的at,in,on：at表示片刻的时间，如：at8o’clock，常用词组有：atnoon,atnight,atmidnight,attheendof,atthattime,atthebeginningof,atth
5、eageof,atChristmas,atNewYear等。in表示一段的时间，如：inthemorning,intheafternoon,intheevening,inOctober,in1998,insummer,inthepast,inthefuture等。on总是跟日子有关，onMonday,onChristmasmorning,onthefollowingday,onMayDay,onawarmmorning等。2、表示时间的since和from：since表示从过去到现在的一段时间的过程
6、，常与现在完成时连用。from表示从时间的某一点开始，不涉及与现在的关系。一般多与现在时、过去时、将来时连用。如：Ihopetodomorningexercisesfromtoday./Wehavenotseeneach8othersince1995.3、表示时间的in和after：两者都表示“在（某个时间）之后，区别在于in表示“在（一段时间）之后”，而after则表示“在（某一具体时间点之后）”，in短语和将来时态连用，after短语和过去时态或将来时态连用。如：We’llbebackinthr
7、eedays./Afterseventherainbegantofall./Whatshallwedoaftergraduation?注意：after有时也可以表示在一段时间之后（常用在过去时里）。如：Aftertwomonthshereturned.1.RegularpublicTVbroadcastingbegan___________1928.2.Thefirstrecordplayersonlyplayedarecord_______twominutes.3.____________1967
8、,mostTVbroadcastswereincolor.4Heinvitedmetoadanceaftertheshow____ChristmasEve.(2009陕西)A．atB．onC．inD．by5—_______whenhasthecountrybeenopentointernationaltrade?（2007陕西卷）—1978,Isuppose.A.SinceB.InC.FromD.AfterStep3PrepositionsofPlaceat,inan
