It is such difficult work that we can't finish it in a shout time.为何用such,不用such a 或者用so

问题描述:

It is such difficult work that we can't finish it in a shout time.为何用such,不用such a 或者用so

work不可数
such a +形容词+名词
so+形容词

work 是不可数名词,所以不用冠词,如果用so就不对了,因为so后面不跟不可数名词

such修饰名词,这句的中心语是work是个名词,所以用such
so修饰形容词,如果是so,应该是这样The work is so difficult that
再因为work是不可数名词,不能用a修饰