It's amazing how much this helped.句中为什么要用how much?how much this helped在句中是什么成分?
问题描述:
It's amazing how much this helped.句中为什么要用how much?how much this helped在句中是什么成分?
答
是主语从句,it在句中是形式主语,真正主语是how much this helped.
之所以要用how much而不是how many,是因为help的对象是个不确指的东西,这种情况下,往往要用指示不可数对象的how much,how many的对象必须明确是可数的东西.