比较：so和 such

　　其规律由so与such的不同词性决定。such 是形容词，修饰名词或名词词组，so 是副词，只能修饰形容词或副词。 so 还可与表示数量的形容词many, few, much, little连用，形成固定搭配。

　　so foolish　　　　　　　such a fool

　　so nice a flower　　　　such a nice flower

　　so many / few flowers　 such nice flowers

　　so much / little money. such rapid progress

　　so many people　　　　　such a lot of people

　　（ so many 已成固定搭配，a lot of 虽相当于 many，但 a lot of 为名词性的，只能用such搭配。）

　　so…that与such…that之间的转换既为 so与such之间的转换。

　　The boy is so young that he can't go to school.

　　He is such a young boy that he can't go to school