为深入学习习近平新时代中国特色社会主义思想和党的十九大精神, 贯彻全国教育大会精神, 充分发挥中小学图书室育人功能介词+ 关系词引导的定语从句 1）某些在从句中充当时间，地点等状语的 介词+ 关系词结构可以同关系副词when 和where,why 互换。例如：This is the house _ I lived two years ago. Do you remember the day _ you joined our club? Is this the reason _ he refused our offer? 2）介词后面的关系词不能省略。3）先行词是物，关系词用which, 先行词是人,则关系词用whom 4) 表所属关系时用of which/whom The boy whose/ of whom the parents are both doctors won the first place in the exam. 1为深入学习习近平新时代中国特色社会主义思想和党的十九大精神, 贯彻全国教育大会精神, 充分发挥中小学图书室育人功能介词关系词结构中介词的确定来源于构成完整
