高一上学期英语人教版必修第一册UNIT5DISCOVERINGUSEFULSTRUCTURES介词加关系代词课件-(34张PPT)

Lead-inShangqiuXinghuaHighSchool,inwhichwewillspendthefollowingoneandahalfyears,hasaglorioushistory.Thefaceofthebuilding,atthetopofwhichthereare3quitelargecharacters”启智苑”,canbeseenfaraway.Thereisapassage(通道)betweenthetwobuildings,throughwhichweoftengotoeitherside.Thestudentsaboutwhomtheyaretalkingarereadingbooks.Whataretheydoing?介词+关系代词介词+关系代词“介词+关系代词”引导定语从句时，介词的宾语只能用which（指物）或whom(指人)，whose既可指人也可指物,即介词+which/whom/whose.介词+关系代词与when、where或why转换12介词的选用3“介词+关系代词”型定语从句四大考点CONTENTS目录介词+关系代词与when、where或why转换1介词+关系代词与when、where或why转换1关系副词=介词+关系代词when,where,whywhen指时间，在从句中作时间状语。when=during/on/in/...which(介词同先行词搭配)

(2)where指地点，在从句中作地点状语。where=in/at/on/...which(介词同先行词搭配)(3)why的先行词只有reason，why在从句中作原因状语。

why=forwhichThey’llneverforgetJuly1_____HongKongreturnedtoitsmotherland.Thedays______weusedforeignoilaregoneforever.关系副词when介词+关系代词与when、where或why转换1Therewasatime_____thebusinessmanlostheart.when=onwhichwhen=onwhichwhen=duringwhichThisis

thehouse

inwhich/where

heusedtolive.Thisis

thehouse

(which/that)heusedtolivein.Iknowof

aplace

inwhich/where

wecanswim.Iknowof

aplace

(which/that)

wecanswimin.介词+关系代词与when、where或why转换1关系副词

where介词+关系代词与when、where或why转换1Idon’tknow

thereason

why/forwhich

hedidit.Thereason

why/forwhichhewasfiredwasnotclear.

试比较：Thereason____________heexplainedtotheteacherisnottrue.Thereason___________wasexplainedtotheteacherisnottrue.(which/that)（作宾语）which/that（作主语）关系副词why

有些含有介词的固定动词短语一般不拆开,介词仍放在后面,如:lookfor,lookafter,lookforwardto,takecareof等e.g.Thebabywhomthenurseislookingafterisveryhealthy.Thebabyafterwhomthenurseislookingisveryhealthy.(x)Special介词的选用2介词的选用2考虑三个因素:

“一先,二动,三意义”根据定语从句中先行词的搭配习惯确定IneverforgetthedaysduringwhichIstudiedhard.IneverforgetthedayonwhichIwenttocollege.IneverforgettheyearinwhichIwenttocollege.daysdayyear2.根据定语从句中谓语动词的搭配习惯确定HaveyoufoundthebookforwhichIpaid$10?HaveyoufoundthebookonwhichIspent$10?Haveyoufoundthebookaboutwhichsheoftentalks?paidspenttalks介词的选用23.根据定语从句所表达的意义来确定Air,________whichmancan’tlive,isreallyimportant.Thefilm____________Ifellasleepwasveryboring.Thepen_____whichheiswritingnowwasboughtyesterday.duringwhichwithoutwith介词的选用2Practice1.Theman______

_Ispokeonthephonelastnightisverygoodatwriting.2.Glasses,_________________Ican’tseeclearly,arereallyimportantforme.3.Theman___________Ishookhandsjustnowismydaughter’steacher.4.Adesertisagreatland_________nothingwillgrow.towhomwithoutwhichwithwhominwhich用prep+关系代词填空“介词+关系代词”型定语从句四大考点3“介词+关系代词”型定语从句四大考点31、恰当的简单介词+关系代词“介词+关系代词”型定语从句四大考点32.复杂介词+关系代词Wegottoahouseatthebackofwhichwasalargegarden.IsthereacertaintestbymeansofwhichtheNo.1willbedecided?

infrontof,atthetopof等“介词+关系代词”型定语从句四大考点33.the+n.+of+关系代词RecentlyIboughtanancientChinesevase,_____________________________(它的价格）wasveryreasonable.whoseprice/thepriceofwhichWhose从句可转换为“

the+of+关系代词”型“介词+关系代词”型定语从句四大考点34.some/any/all/both/none/neither/either/most/many/few/数词（序数词/基本数词/分数或百分数）/the比较级(最高级)of+关系代词TheChineseteamwon16goldmedals,______________(其中有12枚）werewonbywomen.Hepaidtheboy$10forwashingtenwindows,________________(他们中有绝大多数）hadn’tbeencleanedforatleastayear.12ofwhichmostofwhichPractice41.Anoldphotoisourfavorite,ourmomwasmakingthemostbeautifulanddeliciousbirthdaycakeforusgirls.inwhich/wherewhichwhom2.Formanycitiesintheworld,thereisnoroomtospreadourfurther,of

Tokyoisanexample.3.Whatisknowntousallisthattheoldworker,for

lifewashardinthepast,stillworkshardinhisseventies.Practice4

介词加关系代词的基本用法1.Theroom__________myfamily

liveusedtobeagarage.inwhichwithwhichonwhich2.Didyoufindthepen_________Iwrotejustnow?3.Didyoufindthepaper________Iwrotemyletter?Practice44.Thefarm

weworkedtenyearsagoisn’twhatitusedtobe.onwhichtowhomunderwhich5.Heistheman

youcanturnforhelp.6.Thisisthetree

weusedtoplaygames.Practice47.Thesungivesusheatandlight,____________wecan’tlive.withoutwhichonwhichforwhich8.I’llneverforgettheday_________shesaidgoodbyetome.9.Whocangivemethereason________hehasn’tturnedupyet?Practice4THANKYOUFORWATCHING谢谢欣赏Remember:Theyareallgreatscientists.Let’splayaguessinggame!ReviewHeis…AlbertEinstein想象力比知识更重要。ImaginationismoreimportantthanknowledgeHeisfamousforthetheoryofRelativity.Itmakesgreatcontributionstohumanrace.ThetheoryofRelativity,_________heisfamous,makesgreatcontributionstohumanrace.用prep+which/whom/whose+n.进行句型转换。forwhichHeis…ThomasEdisonThomasAlvaEdison天才是百分之九十九的汗水加百分之一的灵感。Geniusis1percent