〜まま
As it is 〜まま
Meaning
A state left unchanged — "as it is", "still ~", "without changing".
Formation
[verb た-form / ない-form] + まま · [noun] の + まま · [い-adj] + まま · [na-adj] な + まま
Notes
With a verb it is almost always the た-form, because the state was created and then left: 電気をつけたまま寝た ("slept with the light left on"). Do not use the plain non-past — ×つけるまま is wrong.
Examples
電気(でんき)をつけたまま寝(ね)てしまいました。
I fell asleep with the light still on.
Breakdown
靴(くつ)を履(は)いたまま入(はい)らないでください。
Please do not come in with your shoes on.
Breakdown
窓(まど)を開(あ)けたまま出(で)かけました。
I went out leaving the window open.
Breakdown
この町(まち)は昔(むかし)のままです。
This town is just as it used to be. (noun + の + まま)
Breakdown
何(なに)も言(い)わないまま帰(かえ)ってしまった。
He went home without saying anything. (ない-form + まま)
Breakdown
⚠️ Often confused with
〜っぱなし
Left as it is 〜っぱなし
"Left ~ing", "~ and left that way" — something was done and never undone.