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I am not sure where mary is now .she (    )at home now.

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I am not sure where mary is now .she (    )at home now.
may be ,maybe.填空
I am not sure where mary is now .she (    )at home now.
ig difference
1)maybe是副词,意为“也许,大概”.它通常放在句子的开头,在句子中作状语.如:
Maybe they won't come here tonight.他们大概今晚不会来这儿.
Maybe she is happy.也许她是幸福的.
2)may be是情态动词may加动词原形be构成的,在句中做谓语,意为“可能是、大概是”,后接形容词、介词短语或名词作表语.如:
She may be at home.她可能在家.(也可以说:Maybe she is at home.)
You may be right.你可能是对的.(也可以说:Maybe you are right.)
正误例析
你的钢笔可能在你的口袋里.
误:Your pen maybe in one of your pocket.
正:Your pen may be in one of your pockets.
Maybe your pen is in one of your pockets.
解析:maybe为副词“或许,可能”之意,在句中作状语;may be为情态动词may加系动词be构成,在句中作谓语,one of后面须接可数名词的复数形式.