よう

auxiliary verb

will; shall

Expresses the speaker's volition or intention. Attaches to the stem of non-五段 verbs (e.g., 食べる→食べよう).

• 明日あしたは早はやく起おきよう。

  I'll get up early tomorrow.

auxiliary verb

let's

Used for suggestions or invitations, often with a sense of 'shall we?'. Attaches to non-五段 stems.

• 一いっ緒しょに映えい画がを見みよう。

  Let's watch a movie together.

auxiliary verb

I wonder; maybe; perhaps

Expresses speculation or uncertainty about something. Often used in self-directed questions or when thinking aloud.

• 彼かれはもう帰かえっていようか。

  I wonder if he has already gone home.