定语从句引导词的用法(1) 如果先行词是all, much, anything, something, nothing, everything, little, none等不定代词，引导词一般只用that ，不用which。例如：1.All the students that are very happy.2.Everything that teachers say is very helpful.(2) 如果先行词被形容词最高级以及first, last, any, only, few, mush, no, some, very等词修饰，引导词常用that,不用 which, who，或whom。例如：1.The first lesson that is very funny.2.He is the only one person that works very hard.(3) which还有一种特殊用法，它可以引 导从句修饰前面的整个主句，代替主句 所表示的整体概念或部分概念。在这种 从句中，which可以作主语，也可以作宾 语或表语，多数情况下意思是与and,this 相似，并可以指人。例如：He succeeded in the competition, which made his parents very happy.(4) 如果作先行词的集体名词着眼于集体 的整体，引导词用which;若是指集体中 的各个成员，则用who。例如：1.The Smiths who went to the party were happy.2.The family which went to the party was happy. (5) 先行词有两个，一个指人，一个指 物，引导词应该用that。例如：1.The boy and the football that are in the picture are very lovely. 2.The girl and her dog that walk on the street are peaceful.(6)如果先行词是anyone,anybody, everyone,everybody,someone,somebody, 引导词应该用 who 或whom，不用 which 。例如：1.Is there anyone here who will go with you?