so...that...与such...that...辨析

1、so...that...的结构中，so后面何时用形容词，何时用副词。

①主语+谓语（连系动词）+so+形容词+that从句

②主语+谓语（行为动词）+so+副词+that从句

2、such...that...的结构中是否要用不定冠词取决于名词。

①主语+谓语+ such+ a/an+（形容词）+可数名词单数+that从句

②主语+谓语+such+（形容词）+不可数名词或可数名词复数+that从句

如 :Table tennis is such an interesting game that people all over the world play it.

乒乓球是一项很有趣的运动，以至于全世界都参加这项运动。

They are such interesting books that I want to read them once more.

这些书非常有趣，我想再读一遍。