so + adj.such + a(n) + n.

so + adj. + a(n) + n.such + n. (pl.)

so + adj. + n. (pl.) such +n. (pl.)

so + adj. + n. [不可數]such +n. [不可數]

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 雖相當于 many，但 a lot of 為名詞性的，只能用such搭配。

so…that與such…that之間的轉換既為 so與such之間的轉換。