询问可数名词的多少,用how many 如桌子上有多少个苹果?How many apples are there on the table?询问不可数名词的数量多少,用how much如这件衣服多少钱?How much does this coat cost?
howmany多少多少后面一般跟的是复数形式,而头发是数不清的,所以不用加复数。铅笔盒如果在多少的后面,就要用pencilboxes
how many 加可数名词how much 加不可数名词
how many