初中英语定语从句PPT幻灯片课件

定语从句,1,定语从句主要考查关系代词的选择。,2,一、定语从句（一）：1.定语从句的概念：在复合句中，修饰某一名词或代词的从句叫定语从句。2.先行词：被定语从句修饰的名词或代词叫先行词。3.关系词：引导定语从句的连词叫关系词。如that、which、who、whom、whose、where、when等。4.由that、which、who、whom、whose引导的定语从句。,3,二、定语从句（二）1.先行词是物时，一般情况既可用that也可用which.但下列情况下，只能用that不用which。1).当先行词为指物的不定代词，如all、everything、something、anything、nothing、none、theone等时，只能用that。Thereisnothing_IcandoforyouIhavenothingthatcanberead.我没有什么可读的。.,4,2).当先行词被theonly、thevery、thelast、all、no、little等词修饰时，只能用that。Thisistheverybook_Imlookingfor.,5,3).先行词被序数词修饰时，只能用that。Thisisthefirstnextbook_Istudiedinthemiddleschool.,6,4).先行词为最高级或被最高级修饰时，只能用that。Thisisthemostbeautifulmountain_Ihaveeverseen.=Ihave_seen_abeautifulmountian.,7,5).先行词既有人也有物时，只能that。Hetoldusmanyinterestingthingsandpersons_wehad.,8,2.先行词是物时，一般情况既可用that也可用which.但下列情况下，只能用which不用that。1).关系代词前有介词时，关系词只能用which。Thisisthebuildingin_helives.2).先行词本身是that时，关系词只能用which。Theclockisthat_tellsthetime.3).引导非限定性的定语从句（先行词是物且先行词与关系词用逗号隔开），关系词用which。Hisbook,_waslostlastweek,hasbeenfoundnow.,9,3.先行词是人时，一般情况下既可用who也可用that。但以下情况下，只能用who。1).当先行词为those、one、ones、anyone且作主语时，一般用who。Those_aresingingareallmyclassmates.2).在therebe句型中，先行词指人时，只能用who。指物时用that。Thereisagirl_expectstoseeyou.,10,3).当先行词是I、you、he、they等时，只能用who。He_playswithfiregetsburned.,11,练习与巩固：熟能生巧，取得好成绩！()1.Theman_isstandingthereismyfather.A.whoB.whomC.which()2.Tomistheonlyperson_Icandependon.A.thatB.whichC.who()3.Itisthebestfilm_shehaseverseen.A.thatB.whichC.when,12,()5.Beijingisthe29thcity_holdstheOlympicGames.A.whereB.thatC.whichD.what()6.Thefootballmatch_Iwatchedyesterdayisfantastic!A.whenB.thatC.whatD.who()7.Ch