如何区别使用be动词和do动词?

问题描述:

如何区别使用be动词和do动词?
如题?例:Does she word hard?还是Is she word hard?
怎么区别?

在问动作的时候要用do或does,
Does he know me?Do you want something to eat?
在问名词(时间地点等等)还有形容词的时候要用be动词.
比如 Is she pretty?Is it 5 o'clock?