初三英语下册《介词》课件外研版

初三英语下册《介词》课件外研版Task1自学指导：1.阅读课本P159-160了解介词的分类、介词短语的使用及介词的兼词现象。2.完成课本P30A1andA2（5分钟）一、介词的种类：1.简单介词：

at;in;off;on;about;under;of;over;past;after;before2.短语介词：accordingto;becauseof;infrontof;outof;insteadof合成介词:into;inside;onto;without;outside

about,behind,down,up,in,off,on,overⅠ.时间介词:(1)in,on，at在……时1.in表示较长时间2.on表示具体某一天3.at表示某一时刻或较短暂的时间Exercise:____the20thcentury;_____themorning;_____January;______May1st;_____Monday;______Sundayafternoon;______3:20;_______thistimeinininonononatat(2)in,after在……之后

“in+段时间”将来的一段时间以后；“after+段时间”将来或过去的一段时间以后；

Exercise:Mymotherwillcomeback____threeorfourdays.2.Hearrived_____fivemonths.

(3)for,since在完成时的情况

for+一段时间since+一个过去的时间点Exercise:1.Hehasstudiedthepiano___10years.2.Theyhavelivedhere______1978.inafterforsinceExercise:1.Icanseeanapple___thetable.2.Jim’scoatis______hisbed.Itisdirty.3.--Whatis___thebox?--Idon’tknow.4.Isit_______Mary,sheisinfrontofme.5.Hishomeisfar____hisschool.Itisn’tnear.Ⅱ.方位介词：⒈

on在..上面 under在..下面infrontof在..前面 behind在..后面ontheleft在..左面 ontheright在..右面over在..正上方 above在..上面（非正上方）near在..的附近 befarawayfrom..离..很远onunderinbehindfrom⒉at,in,on,toat

(1)表示在小地方;

(2)表示“在……附近，旁边”in

(1)表示在大地方;

(2)表示“在…范围之内”on表示毗邻，接壤to表示在……范围外，不强调是否接壤Exercise:1.Hearrived____thestationatten.2.Heissitting___thetable.3.Hearrived____Shanghaiyesterday.4.Guangzhouis____theeastofChina.5.Russialies____thenorthofChina.6.Fujianis___thesouthofJiangsuProvince.atinatinontoⅢ、表运动方向的介词：

across,through通过，穿过

1.across表示横过,即从物体表面通过2.through穿过,即从物体内部穿过Exercise:1.Sheswam______theriver.

2.Hewalked_______theforest.

3.Walk_______thestreet,andyouwillseeahospital.acrossthroughacrossⅣ、表示“在……之间”的介词：

between,among在…之间between指在两个人或两个事物之间

among指在三个或三个以上的人或事物之间

Exercise：Thereisafootballmatch________ClassOneandClassTwoontheplayground.2.Theteacherisstanding______thestudents.betweenamongⅤ、表示其他意义的介词：

(1)on,about关于

on关于；专业性；学术性

about关于；表示内容较为普通，不专业。

Exercise：Therewillbealecture(讲座)____physicsthisafternoon.2.Heiswritingabook_____cooking.3.Hetoldmealot______hislifeinthesummervocation.ononaboutⅥ、by,with,in表示方法、手段、工具by以……方法、手段或泛指某种交通工具；with+工具、手段in表示用…方式，用…语言(语调、笔墨、颜色)

Exercise:Hemakesaliving___sellingnewspapers.2.Hebrokethewindow____astone.3.Theforeignerspoketous__English.bywithinTask3:Haveamatch（5minutes)请根据下列短语的中文意思，写出相应的介词。写下write______打电话给ring____赶快hurry______起飞\脱下take_____嘲笑laugh______参加takepart_____听listen_______寻找look_____担心worry______照顾takecare_____关闭turn_______交朋友makefriends_____等待wait______付钱pay_____穿上put______收到来信

hear______看look_____开turn______查字典look_____关turn_______浏览look______把声音调大turn_____照顾look_______把声音调小turn_____downupattoaboutoffforonupoffinforofwithforfrom看你记得这些词组的介词搭配吗？atonupoffthroughupafterdown1.Tinacan’tseetheblackboardbecausetheboywhosits___herisverytall.(2006佛山)A.behind B.infrontof C.nextto2.Idon’tknowhowtostartatalkwithBetty.Shecansitallday___aword.(2007佛山)A.by B.with C.without3.HeisafanofACMilanandnevermissesanyofitsgames____otherteams.(2008佛山)A.with B.against C.for中考连接4.Hewillbeback____aweek.(2008广州） A.from B.at C.afterD.through5.Sheisreadytohelppeoplewhoare____trouble.(2009广州)A.at B.for C.in D.on6.–Howisitgoing?--Thanks___theweather,thecropsgrowwell.(2010广州)A.to B.for C.with D.on7.Whohastakenmybook___mistake?（2010深圳）A.by B.with C.of D.for中考连接8.Ifyougetonwell____yourclassmates,youwillenjoyyourschoollifemore.(2010广州)A.to B.at C.with D.in9.WewillflytoNewYorkonMondaymorning,thenwe’llstayinNewYork____Wednesdayafternoon.(2007广州)A.until B.after C.on D.in10.Iprefercoffee___milk.A.from B.with C.toD.for(2009深圳)中考连接Exercise1:1.Taiwanis________thesoutheastofChina.（in,on,to）

2.Go_________thebridge,you’llfindtheshop.（across,through;over,above）

3.Igotoschool__________7:30everymorning.（in,on,at）

4.Hewouldliketomeether__________8:00and9:00tomorrowmorning.（between,among）

5.TheGreenshavelivedinChina________threeyears.（in,for,after）inacrossatbetweenfor6.Wegotoschooleveryday________SaturdayandSunday.（except,besides）7.Hewrotetheletter_____ink.（by,with,in）

8.Shereturnedtohercountry______fiveyears.（in,after,for）

9.Thereisabigtree_________ourclassroom.（after,behind）10.Iusuallygotowork____bi