20.6 比較so和 such
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  其規(guī)律由so與such的不同詞性決定。such 是形容詞,修飾名詞或名詞詞組,so是副詞,只能修飾形容詞或副
詞。so 還可與表示數(shù)量的形容詞many,few,much, little連用,形成固定搭配。

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(shù)]  such +n. [不可數(shù)]

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(dāng)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(zhuǎn)換既為 so與such之間的轉(zhuǎn)換。