One word or two

Maybe vs. May be

Maybe is one word, an adverb meaning perhaps: maybe it will rain. May be is a two-word verb phrase meaning might be: it may be cold tonight. If perhaps fits, use maybe.

WordPart of speechMeaning
maybeadverbperhaps or possibly, used when you are not sure
may bephrasethe verb may plus be, meaning might be or could be

Maybe

adverb: perhaps or possibly, used when you are not sure

May be

phrase: the verb may plus be, meaning might be or could be

How to remember the difference

Swap in perhaps. If it works, write maybe. If might be fits instead, write may be as two words.

Good to know

Maybe can also be a noun for an unsure answer, as in 'Is that a yes or a maybe?' Both spellings are standard; the only question is which job the words are doing in the sentence.

Spot the mistake

Check yourself

Pick the word that fits each sentence.

1. The roads slippery after the freezing rain.

2. I'm not sure, but the bus is late again.

Other words people mix up