（5）限制性定语从句与非限制性定语从句的翻译。
（6）关系词前有介词或复杂介词，关系词只能是which和whom。
（7）几个特殊的定语从句句型：
①He is the only one of the students who has got very good marks in the match.（句中one为先行词）
He is one of the students who have got good marks in the match.（句中students为先行词）
②Is this place the one (that) we visited yesterday?
Is this the place(that / which)we visited yesterday ?
③He stood at the window, from where he could see what was happening.
④It may rain, in which case the match will be put off.