介词教学183661ppt课件VIP

.,Prep.,介词(prep),Findprep,.,介词的考点,一.表示时间介词,三.表示方位介词,二.表示地点介词,四.表示方法、手段,五.常见介词的搭配,.,放在_词后作表语,放在“_语+_语+_语”结构后，作状语或者宾补,放在_词后作_定语,2.介词短语在句中的位置：,圈出下列句子中的介词，再划出介词短语,Mydictionaryisinthebag.Thepenonthetableisblue.Wecanfindinformationbyusingcomputers.Ifoundhimatthebusstation.,1.介词的位置：可放在_词、_词之前，构成介词短语。,名,动名,即动词ing,系动,系表结构（介词不能单独作谓语,名,后置,主,谓,宾,.,介词的主要分类：,1.atthecinema,inthehospital_2.Writewithapen,gobybus_3.insummer,onSeptember1st_4.laughforjoy,beangryathiswords_5.bytheway,atlast,intheend_,地点介词,方式介词,时间介词,固定搭配,原因介词,其他介词.,.,一、表示时间的介词,.,inonat,sincefrom,in，after，within,intheendattheendofbytheendof,.,inthemorning,inJune,inAutumn,in1990,onSunday,on1stOctober,onSaturdaymorning,ontheeveningofMay1st,onacoldwinterday,1.时间介词(in,onat-在),atsixoclock,atlunchtime,attheageof15,atChristmas,atnoon,.,另外注意：在表示时间的词（morning,afternoon,evening;Sunday）前有last,next,this,that时，不再用介词.tomorrow,tonight前也不用介词。,.,1._themorning2._spring3._Mondaymorning4._20025._arainyevening6._night7._themorningofApril108._3:509._thistime10._March,即学即练,in,in,in,at,at,at,on,in,on,on,.,_+later,in+_,2.时间介词(in,after,later在之后),（用于一般将来时）,一段时间,一段时间,（用于一般过去时）,时间/句子,after+,（可用于一般将来时,强调过了这个时间之后）,具体时间点,1.Hewillcomebackinhalfanhour.2.Hewenthomeafterthemeeting.3.Thewillstartworkingafter10oclock.4.Ourteacherwillbebackthreemonthslater.,in,halfanhour,after,themeeting,after,10oclock,threemonths,later,.,“从时候开始”,时间点,+bynow-用现在完成时,“到时候为止”（表示一个动作持续到某个时间点为止）,时间点,“自从”（表示动作或状态从过去持续到现在）,时间点,时间段,句子时态,意义,后面接,介词,3.时间介词(since,for,from,by+时间),since,for,from,by,表示某个动作或状态持续了时间,完成时,完成时,根据具体时间状语选择时态,haveworked,twenty-fourhours,havenevermet,then,+过去的时间点-用过去完成时,+将来的时间点-用将来完成时,willhavebeenfinished,theendofthismonth,havefinished,bynow,thetimeIarrived,hadalreadygone,work,decided,willstudy,fromnowon,from7am.tomidnight,then,.,即学即练:填入适当介词,Wehavelearnt3000words_theendofthisterm.Hestartedwork_eightoclock.Hehasworked_eightoclock.Ihavework_nearly10hours.,since,from,for,by,.,(fromto,betweenand.,notuntil,during),4.时间介词(在之间，从到),fromtobetweenand.notuntilduringbefore,从到,在和之间,直到才,跟一段时间，在期间,在之前,.,1.Hedidntseehisuncle_7:45lastnight.2.Hewasdoinghislessons_7and9lastnight.3.Thereisacartoonprogramme_6:30to7:00intheevening.4._thepastyears,hehasworkedhardatEnglish.5.Hewontcomeback_five.A.atB.afterC.until6.Theworkmustbefinished_Friday.A.atB.byC.after7.Youdbettercheckyoubagagain_youleave.A.inB.beforeC.by,until,between,from,During,to,didnt,and,即学即练,.,二、表示地点的介词,.,1.in+大地方at+小地方on+门牌，某层楼1.Myunclelive_F12_thefifthfloor.A.at,onB.in,onC.on,at2.Theyarrived_Beijingat12:00andwaitedforabus_thestationtothehotel.A.at,inB.in,onC.in,at,.,2.,1.Weare_TeamOne.Isit_thefrontoftheclassroom.LiPingis_myleft.A.on,in,atB.in,in,atC.in,at,on2.Ihaveagoodseat.Isit_thebus.A.inthefrontofB.infrontof,.,2.Xiaowanziissitting_LuffyandConan.Sheseemsveryhappy_herclassmates.,among,between,between.and.,表示两者之间,用于三者或三者以上的中间,among,.,Thehorsegoes_theforest.,through,through,(从物体中间)穿透,穿越,.,Later，thehorsegoes_thegrassland.,(从物体表面)跨越,越过,across,across,.,GuangdongNorthKoreaJapan,theeastofChina.,inonto,is,in,on,to,境内；范围内,境外接壤,境外分离,be+in/on/to+the+方位词+of.,east,west,south,north,.,in,on,to,境内；范围内,境外接壤,境外分离,1)Shanghailies_theeastofChinaand_thenortheastofGuangdong.2)Hubeiis_thenorthofHunan.3)Fujianis_theeastofChina.4)Chinalies_theeastofAsiaand_thenorthofAustralia.,in,on,in,to,in,be+in/on/to+the+方位词+of.,to,.,Theboyis_(在树上),inthetree,onthetree,Thereisaredapple_(在树上),树上长出来的东西,用on,不属于树本身的东西,用in,in和on,.,inthewall(镶嵌在墙内部的事物),1)Thereisamap_thewall.2)Therearetwowindows_thewall.,onthewall(墙表面的事物),on,in,.,Thenewspaperis_thetable.,Thereisaninterestingarticle_thenewspaper.,on,in,表示占去某物一部分,只表示在某物的表面上,.,1.在广州_Guangzhou2.在电影院_thecinema3.树上的苹果apples_thetree4.树上的小鸟birds_thetree5.在农场上_thefarm,地点介词练一练,in,at,on,in,on,.,三、方位介词,.,on的用法,on:在上,例如:Thedollis_thebox。,on,点击鼠标填空,继续,.,in的用法,In：在里面,例如：Thecatis_thebox。,in,点击鼠标填空,继续,.,under的用法,under:在下面,Thecatis_thebox.,under,点击鼠标填空,继续,.,between的用法,between:在中间,例如:Thebookis_thetwoboxes.,between,点击鼠标填空,返回,.,nextto的用法,Thedollisnexttothebox.,.,4.infrontof和inthefrontof,Themanis_thecar.,infrontof,Thegirlis_thecar.,inthefrontof,在(外部的)前面,在(内部的)前面,.,常见方位介词重难点,aboveoveronbelowunderbeneath,above,over,beneath,below,under,on,Becareful,thereisaheavybox_yourhead.Thesunis_themountainintheeast.Therearesomestamps_thedesk.Thepositionhepointedtowas_thesealevel.Thelittlemouseis_thetable,soitisnoteasytofindit.,over,above,on,abovebelow,under,.,2.acrossoverthroughpast,across,over,through,past,横穿，发生在物体的表面,跨过越过，发生在物体的上方,纵穿，发生在某物的内部空间,经过，发生在某物的旁边,TheGreatwallwindsitswayfromwesttoeast,_deserts,_mountains,_valleys,tillatlastitreachesthesea.Thecrowdofpeoplewalked_theCityHalltotheCentreSquare.Swim_theriver,go_thestreet,fly_themountain,_thedoor,window,abridge_theriver,across,over,through,past,across,_across,over,through,over,.,四.方式介词之in的用法,1.WetalkinEnglish._,(使)用某种语言,用汉语:inChinese,2.Youcansolvethisprobleminthisway._,inthisway,用这种方式,indifferentways,用不同的方式,用的方式,3.Mysisterisinred.Thewomaninayellowdressismymother._,in+服装,颜色表示,穿什么颜色的衣服,用日语:inJapanese,.,3.Withthemoney,theybuiltsomeschoolsinthepoorarea._,三.方式介词,之with的用法,“使用”的意思,1.Weseewithoureyesandhearwithourears._,使用人体器官做某事,2.Chineseusuallyeatwithchopsticks._,使用某一工具,使用(利用)某材料(金钱等),.,三.方式介词,之by的用法,Wegotoschoolbybike/bus/car/ship/plane_,by常接,表示通过某种方式做某事.,Italkwithmyfriendsbysendinge-mail._,通过某种手段或方式,注意:步行是_.在表达”乘”时,还可用介词on/in.,onfoot,bybus=,ona/thebus,bybike=,ona/the/onesbike,byplane=,ona/theplane,bycar=,ina/the/onescar,交通工具,.,五、其它介词,.,1.表示原因的介词（单个介词：for,with，at),_:较正式，侧重情感或行为产生的依据，或因此带来的结果。,Icouldntspeakforlaughing.我笑得说不出话来。,_:多用来表示感情上的原因，常和表示一定感情的词连用。,_：多用来表明身体或精神产生的变化。,Immuchpleasedatyourarrival.你来了我非常高兴,Herfingerswereredwithcold.她的手指冻得发红了。,for,at,with,观察与总结,red,withcold,couldntspeak,forlaughing,pleased,at,.,Practice（单个介词：for,with，at),1.Theysanganddanced_joy2.Theywillrewardyou_yourhelp.3.Heisangry_beingdelayed.4.Theoldmanwasbent_age.5.Hisfaceturnedred_anger.6.Thesoldierwasseverelypunished_havingdisobeyedtheorder.7.Thelittlegirlshandsturnedred_cold.,for,for,at,with,with,for,with,.,2.表示原因的介词（短语：becauseof,dueto,thanksto),becauseof,dueto,thanksto,观察总结,位于句_或句_,位于句_或句_,常位于句_,+_、代词或动名词,Becauseof/Duetotheheavyrain.Icamelate.由于交通阻塞我来晚了。Theyarrivedlatebecauseof/duetothestorm.他们由于风暴而来迟。Thankstoyourhelp,wefinishedtheworkheadoftime.多亏你的帮助，我们提前完成了任务。,名词,Becauseof,Dueto,Thanksto,becauseof,dueto,首,中,首,中,首,.,of,of,3.表示原因的介词（of、from）（短语：dieof;diefrom),dieof,diefrom,因为内在原因而死亡（身体内部发生变化）,因为外在原因而死亡（车祸，意外等）,from,.,表示“量”的介词,by表示“增加了”,beyond表示“范围,限度超出”。,to表示“增加到”,100,80,30,50,.,即学即练,增加：addupgoupincreaserise下降：fall、decrease,1)这个学校的学生人数增加了500。2)这个城市的人口上升到3,000,000。3)他这个月的月薪超出了10,000美元。,_of_inthissc