重庆市璧山县大路中学九年级英语 定语从句课件.ppt

定语从句1 1 概念 在句中做定语 修饰一个名词或代词 有时也可以修饰部分或整个句子 被修饰的名词 词组或代词即先行词 定语从句通常出现在先行词之后 由关系词 关系代词或关系副词 引出 e g afriendwhohelpsyouisarealfriend 先行词 定语从句所修饰的名词或代词 关系词 引导定语从句的词 分为关系代词 who whom that which whose 和关系副词 where when why 定语从句2 3 复合句 themanwho that cameismike 先行词关系代词limingistheonethatgotfullmarksinourclass 先行词关系代词上句的白体字为复合句中的主句 黄体字为定语从句 定语从句3 4 定语从句的关系代词which的用法 若先行词指物则代替先行词在定语从句中充当主语或宾语 thisisthepenwhichwasgivenbymyfriend 先行词指物代替先行词在定语从句中充当主语thisisthepenwhichmyfriendgavetome 先行词指物代替先行词在定语从句中充当宾语 定语从句 5 定语从句的关系代词who的用法 若先行词指人则代替先行词在定语从句中充当主语或宾语 如果前面带介词则必须用whom themanwhoiswearingawhitesuitismybrother 先行词指人代替先行词在定语从句中充当主语themanwho whomhewantedtoseelastweekisinshanghai 先行词指人代替先行词在定语从句中充当宾语sheisthegirlwithwhomiwentthere iwenttherewiththegirl 先行词指人代替先行词在定语从句中充当介宾且介词于前 定语从句 6 定语从句的关系代词whom的用法 若先行词指人则代替先行词在定语从句中充当宾语 包括介词的宾语 与who的区别是如果前面带介词则必须用whomthisistheteacherwhom whowelikebest welikebesttheteacher 先行词指人代替先行词在定语从句中充当宾语sheisthegirlwhom whoiwentwiththere iwenttherewiththegirl 先行词指人代替先行词在定语从句中充当介宾 idon tliketheboytowhomyouaretalking 先行词指人代替先行词在定语从句中充当介宾且介词于前 定语从句 7 定语从句的关系代词that的用法 若先行词指人或物则代替先行词在定语从句中充当主语或宾语theanimalthat whichislostisapanda 先行词指物代替先行词在定语从句中充当主语sheisthepersonthat whoweareworriedabout 先行词指人代替先行词在定语从句中充当宾语 定语从句 注意1 that which在代物时常常可以通用 但有时只宜于用which 不用that关系代词前有介词时 thisisthehotelinwhichyouwillstay 如有两个定语从句 其中一句的关系代词是that 另一句宜于用which letmeshowyouthenovelthatiborrowedfromtheliberarywhichwasnewlyopen 新开放 tous 定语从句 注意2 that which在代物时常常可以通用 但有时只宜于用that 不用which 1 先行词是形容词最高级或者它的前面有形容词最高级时thisisthebestthathasbeenusedagainstairpollution 反对空气污染 incities englishisthemostdifficultsubjectthatyouwilllearnduringtheseyears 2 先行词是序数词 或它的前面有一个序数词时heisthefirst secondpersonthatiwanttosee 3 主句中已有疑问词时whichisthebikethatyoulost 定语从句 4 先行词既有人又有物时 e g thebikeanditsriderthathadrunover 撞倒了 anoldmanweretakentothepolicestation 5 先行词是all much little something everything anything nothing none theone等代词时 e g youshouldhandinallthatyouhave wehaven tgotmuchthatwecanofferyou imeantheonethatyoutalkedaboutjustnow 定语从句 6 先行词前面有only any few little no all oneof thesame thevery等词修饰时 e g theonlythingthatwecandoistogiveyousomemoney limingistheonlyonethatgotfullmarks 满分 inourclass limingisoneofthestudentsthatwanttobeteachersinourclass 7 有两个定语从句 其中一个关系代词已用which 另外一个宜用that e g edisonbuiltupafactory 办了一个工厂 whichproducedthingsthathadneverbeenseenbefore 定语从句 8 定语从句的关系副词where的用法 若先行词指地点且其在定语从句中充当地点状语 e g thisisthehousewhereiwasborn 这就是我在那儿出生的房子 先行词关系副词inwhichiwasborn 介词 关系代词whichiwasbornin 关系代词thatiwasbornin关系代词 定语从句 练习 用which where填空1thisisthefactorytheywanttovisit 2mysisterworksinabookshopinwecanreadmanykindsofbooks3haveyouvisitedthecitythefamousscientistwasborn 4isthisthemuseumtheyvisitedlastmonth 5hebuiltatelescopethroughhecouldstudytheskies thepencilwith hewrotewasbroken isthistheshop sellschildren sclothing istillrememberthesitting room mymotherandiusedtositintheevening don tgoin thisistheshop wehavejustbeento pleaseshowmethebook youboughtyesterday 定语从句 9 定语从句的关系副词when的用法 若先行词指时间且其在定语从句中充当时间状语 e g hecameatatimewhenweneededhelp关系副词atwhichweneededhelp介词 关系代词whi