各种从句引导词总表一、如何选择定语从句的关系词关系词先行词从句成分例 句备 注关系代 词who人缺少主语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人缺少宾语Mr. Smith is the person with whom I am workingThe boy (whom) she loved died in the war.whose人或物缺少定语I like those books whose topics are about history.The boy whose father works abroad is my deskmate. that人或物缺少主语，宾语A plane is a machine that can fly. 缺少主语She is the pop st
