引导非限制性定语从句的关系代词有:which.who.whom.whose.关系副词只有where, 非限制性定语从句一般要用逗号跟主句断开. You should go to see Mary, who has been ill for a long time. 你应该去看看玛丽.她病了好长时间了. Last night I saw a very good film, which is about the Second World War. 昨天晚上我看了一部好电影.是关于第二次世界大战的. My brother, whom you saw just now, is an engineer. 我弟弟是个工程师.你刚才见到他了. My cousin, whose English is the best in his school, is going to study in Australia this week. 我的表弟这个星期要去澳大利亚学习.他的英语在他们学校是最好的. The building, whose roof we can see from here, is a church. 那栋楼是教堂.我们可以从这里看见它的屋顶. He is leaving for Beijing, where he will attend a meeting. 他要去北京.在那里参加一次会议. 限定性定语从句和非限定性定语从句在语法性质和用法上有区别.有时在意思上也有区别.例如: He has a son, who is a writer. 他有一个儿子.儿子是作家.(他就一个儿子.定语从句起补充说明的作用.) He has a son who is a writer. 他有一个是作家的儿子.(他有几个儿子.其中一个是作家.定语从句起修饰限定范围的作用.) 【查看更多】
