can和may都是情态动词,后面必须跟动词原形,形成谓语动词,区别如下:
can为动词原形,过去式为could,基本含义是表示体力或智力方面的能力。也可表示允许做某事,较口语化,最常用,也可以表示理论上的可能性。如:
Can you speak English?
Can I talk to you for a minute, Tom?
Alaska can be very cold.
may的过去式为might,基本含义是允许做某事,用于正式文体,多含尊敬之意,也可以表示现实上的可能性,如:
He may be right.
May I leave the table?
No, you may not.
May I have my pocket of electricity?
Well, and who may you be?
Bill asked who she might be.
你知道can和may的区别吗