定语从句 一、 概述 在复合句 (有主句有从句的句子) 中，修饰某一名词或代词，用作定语的从句叫做定语从句(attributive clause)。 关系代词 The man who lives next to us sells vegetables. 先行词 定语从句 被定语从句所修饰的词叫做先行词(antecedent)。定语从句必须放在先行词之后。 关系代词和关系副词的作用： ①连接作用 ② 指代先行词 ③在句子中充当一定成分 引导定语从句的关联词有: 关系代词who、whom、whose、which、that 、as 关系副词when、where、why 关系代词作主语 指人 who that 不可省 指物 which that 关系代词作宾语 whom 指人 that who (口语) 可省 指物 which that 关系代词作定语 Whose 指人 指物 A plane is a machine（ that 、which）can fly. 飞机是会飞的机器。（引导词that、 which 在句中作主语） The foreigner （who 、that）visited our class yesterday is from Canada.昨天到我班来访的外国人来自加拿大。（引导词who、that 在句中作主语） They planted the trees （which、that） didn't need much water. 他们种植了需水不多的树木。（引导词which、that 在句中作主语） The noodles (that、which、—) I cooked were delicious. 我煮的面条美味可口。（引导词that、which 可省略 作宾语） The fish (which、that、—) we bought were not fresh. 我们买的鱼不新鲜。（引导词作宾语） The girl （that 、whom、 who 口语、—） we saw yesterday was Jim’s sister. 我们昨天看到的女孩是吉姆的姐姐。（引导词作宾语） 特殊请况： 人+介词+whom 不可省，不可用 that 物+介词+which The person to (whom) you just talked is Mr.Li. 刚才你与其交谈的人是李先生。（引导词whom，不可省略） The person t (whom、that、who、—) you just talked to is Mr.Li. The knife with which we cut the bread is sharp.我们用来切面包用的刀子很锋利。 The knife （which、that、—） we cut the bread with is sharp. 指人 Whom that who(口语) +介词（可省） 指物 which that 题： She was educated at Beijing university, _____she went on to have her advanced study abroad. A.after which B. from which ...
