18.1 关系代词引导的定语从句
?
   关系代词所代替的先行词是人或物的名词或代词,并在句中充当主语、宾语、定语等成分。关系代词在定语从句中作主语时,从句谓语动词的人称和数要和先行词保持一致。
1)who, whom, that
  这些词代替的先行词是人的名词或代词,在从句中所起作用如下:
  Is he the man who/that wants to see you?
他就是想见你的人吗?(who/that在从句中作主语)
  He is the man whom/ that I saw yesterday.
他就是我昨天见的那个人。(whom/that在从句中作宾语)

2) Whose 用来指人或物,(只用作定语, 若指物,它还可以同of which互换), 例如:
  They rushed over to help the man whose car had broken down.  那人车坏了,大家都跑过去帮忙。
  Please pass me the book whose (of which) cover is green. 请递给我那本绿皮的书。

3)which, that
   它们所代替的先行词是事物的名词或代词,在从句中可作主语、宾语等,例如:
   A prosperity which / that had never been seen before appears in the countryside. 农村出现了前所未有的繁荣。(which / that在句中作宾语)
   The package (which / that) you are carrying is about to come unwrapped. 你拿的包快散了。(which / that在句中作宾语)
















 学习啦--英语语法大全