的农场。РIs this the place where they fought the enemy? 这是他们当初打敌人的地方吗?Р3. why 指原因,在定语从句中作原因状语。РPlease tell me the reason why you missed the plane. 请告诉我你误机的原因。РThe reason why he was punished is unknown to us. 他受惩罚的原因我们都不知道。РI don’t know the reason why he looks unhappy today. 我不知道他今天为什么看上去不愉快。Р 注意:关系副词引导的定语从句经常可以用“介词+关系代词”引导的定语从句来表示。如:Р From the years when / in which he was going to primary school in the country he had known what he wanted to be when he grew up. 自从他在农村读小学时,他就已经知道长大后要做什么。Р Great changes are taking place in the city where / in which they live. 他们生活的城市正发生巨大的变化。Р The reason why / for which he refused the invitation is quite clear. 他为什么拒绝接受邀请的原因是十分明了的。Р(五)限制性定语从句和非限制性定语从句Р形式上Р限制性定语从句:不用逗号“,”与主句隔开。Р非限制性定语从句:用逗号“,”与主句隔开。Р意义上Р是先行词不可缺少的定语,如删除,主句则失去意义或意思表达不完整。Р只是对先行词的补充说明,如删除,主句仍能表达完整的意思。