2018年公共英语四级重点语法资料：that引导的定语从句

　　that引导的定语从句

　　在这种定语从句中that可以指人或物，代替who, whom, which在句中作主语或谓语动词的宾语(不能放在介词后面作介词宾语)，例如：

　　The comrade that (who) is speaking at the meeting is a friend of mine.

　　在会上讲话的同志是我的一个朋友。

　　Is this the actor that (whom) you talked about yesterday? 这就是你们昨天谈到的那个演员吗?

　　(about不能放在that前面。)

　　The letter that (which) I received yesterday was from my brother.

　　昨天我收到的信是我哥哥寄来的。

　　但在下列两种情况下只能用that：

　　1.序数词或最高级形容词修饰先行词时，要用that。例如：

　　The first English novel that I’ve read was Hard Time by Charles.

　　2.all, everything, nothing, something, anything等不定代词作先行词时，要用that，例如：

　　Everything that we saw at the village greatly interested us.

　　The school has told us something that we should do in the summer vacation.

　　Is there anything that you want to buy in town?

　　All that we have to do for our students is to suggest how to be honest.

　　Nothing that the teacher does doesn’t influence his students .