2020-2021学年初三英语知识点归纳及题型专练:语法归纳一、定语从句1、关系代词和关系副词基本用法
2、关系代词特殊用法
定语从句起了形容词的作用,在句中修饰一个名词或代词
被修饰的词叫做先行词,引导定语从句的词叫关系词,他的作用一是放在先行词与定语从句中间起了连接作用,二是在从句中担当一个成分,并与先行词保持数的一致
关系词先行词从句成分例句备注关系代词who人主语Doyouknowthemanwhoistalkingwithyourmother
whom,which和that在从句中做宾语时,常可以省略,但介词提前时后面关系代词不能省略,也不可以用thatwhom人宾语Mr
SmithisthepersonwithwhomIamworkingTheboy(whom)sheloveddiedinthewar
whose人,物定语Ilikethosebookswhosetopicsareabouthistory
Theboywhosefatherworksabroadismydeskmate
that人,物主语,宾语Aplaneisamachinethatcanfly
Sheisthepopstar(that)Iwanttoseeverymuch
which物主语,宾语Thebook(which)Igaveyouwasworth$10
Thepicturewhichwasabouttheaccidentwasterrible
as*人,物主语,宾语Heissuchapersonasisrespectedbyallofus
ThisisthesamepenasIlostyesterday
as做宾语一般不省略II
that与which,who,whom的用法区别:情况用法说明例句只用that的情况1.先行词为all,everything,anything,nothing