〜かもしれない

Expresses possibility: something may or might be true.

N4uncertaintysentence-ending

Examples

傘をホームに置いたかもしれません。

かさを ホームに おいた かもしれません。

I may have left my umbrella on the platform.

午後から雨が降るかもしれません。

ごごから あめが ふる かもしれません。

It might rain from the afternoon.

Meaning

〜かもしれない means "might..." or "may..." It shows that the speaker is not sure.

Usage

Use a plain form before かもしれない. In polite conversation, use かもしれません.

PatternMeaning
Verb plain + かもしれませんmight do; might happen
い-adjective + かもしれませんmight be
Noun / な-adjective + かもしれませんmight be

Notes

This is useful when explaining uncertain details, such as where something was lost or whether plans may change.