介词 + 关系代词”引导的定语从句介词加关系代词引导的定语从句要注意以下几点：1“介词 + 关系代词”引导的定语从句时，介词的宾语只能用which（指物）和whom（指人），即：介词+which/whom。不能用that 和who。e.g. This is the teacher from whom weve learned a lot. 这就是从他那里我们学了很多东西的老师。Great changes have taken place in the city in which we live. 我们所居住的城市发生了巨大的变化。2有时介词也可放在从句的末尾，这时关系代词可用which/that(指物)，who/whom/that（指人），也可以省略。e.g. The situation (which/that ) we had got into was very dangerous. 我们当时的处境很危险。The man (whom/who/that) you were talking to just now is my English t
