具体用法：
1.maybe是副词，意思是“也许、可能”，在句中作状语，相当于perhaps，常位于句首。
Maybe she’ll come this afternoon. 她可能今天下午来。
Maybe you put the letter in your pockets. 大概你把信放在衣袋里了。
2.maybe的`释义
（1）也许，可能，或许：
Maybe I'll have to change my opinion of you yet.也许我得对你改变看法呢！
（2）大概，多半：
How long have you had a policy with them?--Oh,I don't know.Maybe five years.“你在他们那里保险有多长时间了？”“噢，记不清楚了。大概五年了。”
3.在may be中，may是情态动词，be是动词原形，两者构成完整的谓语形式，与主语形成系表结构，意为“也许是、可能是”。
I can’t find my watch. It may be in your pocket.
我找不到我的手表了，它可能在你的口袋里。
He may be a soldier. 他可能是军人。
4.maybe和may be可相互转换。
He may be in the office.
= Maybe he is in the office. 他或许在办公室。
You may be right.
= Maybe you are right. 你或许是对的。