定语从句关系词关系词先行词从句成分例句备注关系代词who人主语Do you know the man who is talking with your mother?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。 Smith is the person with whom I am workingThe boy (whom) she loved died in the war.。whose人，物定语I like those books whose topics are about history。The boy whose father works abroad is my desk mate. that人,物主语宾语A plane is a machine that can fly。She is the pop star (that) I want to see very much。which物主语宾语The book （which） I gave you was worth ＄10.The picture which was about the accident was terrible.as人，物主语宾语He is such a person as is respected by all of us。This is the same pen as I lost yesterday。 as 做宾语一般不省略关系副词when时间时间状语I will never forget the day when we met there。可 用 on whichwhere地点地点状语This is the house where I was born.可 用in whichwhy原因原因状语I can't imagine the reason why he turned down my offer.可 用 for which
