any 许多。Many是个形一容词。容词既形可以用在名词的前面，又可以用在动词be的后面。所有的形容词都有这种用法。Be动词用的时候要随人称变化。
I am we are
you are you are
he is she is it is
they are
have这个动词也要随人称而变化。
I have we have
you have you have
he has she has it has
they have
1 many boys 许多男孩。
2 many children. 许多小孩。
3 many men. 许多人。
4 many girl. 许多女孩。
how many。how是怎样的意思。“how many......？”则表示“几个”、“多少”的含义。