前面有such时，引导定语从句的关系代词用as,不用which。如：?

Such women as know Tom thought he was charming.?

认识汤姆的女人都认为他很?迷人。??

I have never heard such stories as he tells.他讲的那些故事我从没听过。?

He is not such a man as I expected.他不是我期望的那种人。?

前面有the same时，引导定语从句的关系代词用as而不用which。如：?

We are facing the same problems as we did years ago.?

我们正面临着和多年以前同样的困难。?

This is the same wallet as I lost.这只钱包与我丢失的那只相同。?

I have the same trouble as you have.我和你有着同样的困难。?

总之，which与as引导定语从句的区别要在实践中多体会，体会多了，才能正确运用。??五、定语从句中的谓语动词与先行词保持一致的问题

1.one of+复数名词+关系代词+复数形动词。如：?

Titanic is one of the most wonderful movies that have been produced in Hollywood.《泰坦尼克号》是在好莱坞拍的最好的电影之一。?

2.the (only)one of+复数名词+关系代词+单数形动词。如：?

The Great Wall is the (only)one of the buildings on the earth that is seen from the moon.?

长城是地球上惟一一个从月球上能够看到的建筑。?

3.当关系代词as或which引导非限制性定语从句，修饰主句内容时，若as或which作主语，则从句的谓语动词用单数形式。如：?

Great changes have taken place in China，as is known to all.?

中国发生了巨大的变化，众所周知。?

4.其他情况?

I，who am your teacher，will try my best to help you.我，你的老师，要尽全力帮助你。?

To own a colour TV set in each family，which we thought was impossible twenty years ago，now becomes true.?

每家拥有一台彩电，这在20年前我们认为不可能的事情，现在变成了现实。?

Have you heard of the persons and things that are being talked about??

你听说了他们谈论的人和事了吗?

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