定语:由形容词,名词、代词、数词、分词、副词、不定式以及介词短语担任,也由一个句子担任
单词作定语在所修饰词前,前置定语
短语、从句作定语时在所修饰词后,后置定语
定语从句:定语从句=先行词+关系词+从句先行词:被定语从句修饰的名词、代词或句子,在定语从句的前面
关系词:①连接作用,连接主句和定语从句
②指代先行词
③在定语从句中担当成分
关系词词形所修饰的先行词在从句中所作的成分关系代词who人主语、宾语、表语whom人宾语which物主语、宾语、表语that人、物主语、宾语、表语whose人、物定语关系副词when时间名词时间状语where地点名词地点状语why原因名词原因状语2
先行词为人时(1)TheboysarefromClassOne
Theboysareplayingfootball
Theboys(theboysareplayingfootball)arefromClassOne
Theboys(who\thatareplayingfootball)arefromClassOne
who\that==theboys,在定语从句中做主语,并连接先行词和定语从句
(2)Theman(youmetthemanjustnow)ismyfriend
Theman(whom\thatyoumetjustnow)ismyfriend
Theman(youmetjustnow)ismyfriend
先行词为物时(1)Ifoundtheletter
Thelettercameyesterday
(2)IfoundTheletter(thelettercameyesterday)
IfoundTheletter(which\thatcameyesterday)
which\that==theletter(2)Thisisthepen
Heboughtthepenye