Might with 〜かもしれない
Grammar: Possibility » 〜かもしれない
〜かもしれない expresses possibility or uncertainty: “might/may/could.” The colloquial shortened form is 〜かも.
かもしれない combines the interrogative particle か (questioning), the inclusive particle も (“even”), and the verb 知る (“to know”) modified to the negative potential non-past 知れない (“cannot be known”). Together, it means “cannot even be known whether”, which can be condensed to the word “might”.
Usage
Conveys low-to-moderate certainty (speaker is not confident).
Formation
- Clause + (の) + かもしれない
- 明日は雨が降るかもしれない。
- "It might rain tomorrow."
- Clause + (の) + かも(casual)
- 彼はもう帰ったのかも。
- "He might have already gone home."
Further Reading
- 〜かもしれない|日本語能力試験 JLPT N4文法 (edewakaru.com)
- 「~かもしれません」話し手の気持ちを表す表現 (tomojuku.com)
Related Grammar
- Presuming with 〜だろう and 〜でしょう (higher certainty)
Examples
Might appear bigger with 〜かもしれない

Due to Chino’s concerns about her height, Rize suggests that if her voice is louder, she might have a bigger appearance.
- リゼ:
- 「声が大ければ存在も大く見かもしれない」
Might get along with 〜かもしれない

Tippy remarks on how Cocoa adapted immediately to working in the shop. He says someone like that might get along with Chino.
- ティッピー:
- 「チノにはああいう友達が合ってるかもしれん」
Might have similar tastes with 〜かもしれない

At the library, Cocoa thinks she’s realized which book Chino is trying to find, but forgot the title of. She suggests the two of them might have matching preferences in books.
- ココア:
- 「私本の趣味合うのかもしれないねっ」