关系代词 指代 在从句中充当的成分 人 物 句子 主语 宾语 表语 定语 状语 who √ √ √ whom √ √ that √ √ √ √ √ √ which √ √ √ √ √ whose √ √ √ as √ √ √ √ √ √ 　　1.that和which的用法

　　which指物，that既可指人也可指物；它们在从句中作主语、宾语或表语，which和that在从句中作宾语时可以省略。

　　Please find a room which/that is big enough for all of us to live in.

　　请找一间足够住下我们所有人的房间。

　　This is the house (which/that) we bought last month.

　　这是我们上个月买的那幢房子。

　　The man (that) we have just seen is a famous writer.

　　我们刚刚看到的那个人是一位著名的作家。

　　Shanghai is no longer the city that it used to be.

　　上海不再是过去的那座城市了。

　　I hate the way (that) she always criticizes me.

　　我讨厌她一贯批评我的方式。

　　[名师点津]

只能用that而不用which的情况 先行词是all，little，few，none，anything，something，everything，nothing等词时 当先行词是序数词、形容词最高级或被形容词最高级、序数词修饰时 当先行词被the only，the very，the same，the right等修饰时 当先行词既有人又有物时 只用which的情况 关系代词前有介词时，一般用which，而不用that He is the very person that they are looking for.