Book1 unit 2 such / so 1.such是形容词，用来修饰名词，名词前有无形容词都可以。 1) such a (big) fool / such a (poor) family /such an ( honest ) boy →→such+a/an+(adj)+单数名词 eg: He is such a (big) fool. 2) such (good) things/ such (useful) books →→such+（adj）+复数名词 eg:Such things often happen in our daily life. 3）such (fine)weather/ such (valuable )time →→such+（adj）+不可数名词 eg: Such weather is not seen in Wuhan. 4）such people are dangerous. →→such+集合名词 2.so是副词，用来修饰形容词或者副词。 so beautiful/ so popular/ so wonderful so fast/ so quickly/ so smoothly eg:She is so clever a girl that we all like her. The horse ran so fast that no one could stop it. 1) so后面也可以接名词 so clever a boy/ so useful a book →→so+adj+a/an+单数名词 (此句型可与such句型互换,但位置不同 ) such a clever boy/ such a useful book eg: He is such a clever boy. →→→→He is so clever a boy. 2)当名词前有表示“多、少”意义的many,much,few,little等修饰词时用so,不用such. so many students / so many flowers/ so many people so few books / so few cards So+many/few+复数名词 ※ so much knowledge / so much water ※ so little money / so little time So+much/little+不可数名词 3）当many,much ,few ,little 单独作为名词使用时，用so so much for today There are so few that I can not give you any more. 4)当little表示小的意思修饰可数名词时，只能用such,不用so. I have never seen such a little girl. The girl is such little that she knows so little. »»→→→→ It is such fine weather that many people are playing in the park. Jack has read so many novels that he wants to write his own novel. I don’t understand why such a rich country has so many beggars. 本文来源：https://www.wddqw.com/doc/8f75eeb01a37f111f1855b26.html