～まま
Leave or keep something unchanged
You'll be able to say that a state continues while another action happens or nothing is changed.
蓮は電気をつけたまま寝ました。
ren wa denki o tsuketa mama nemashita.
What do you think this sentence means?
Ren slept with the light left on.
Leave a condition unchanged
～まま says that a condition continues unchanged while something else happens. An expected change may not have occurred.
靴を履いたまま入らないでください。
kutsu o haita mama hairanaide kudasai.
Please do not enter with your shoes on.
Form and use ～まま
Use た-form for an established state and ない-form for something left undone. Nouns take の, な-adjectives take な, and い-adjectives attach directly. This describes an unchanged state while another action occurs.
靴を履いたまま入らないでください。
kutsu o haita mama hairanaide kudasai.
Please do not enter with your shoes on.
朝ご飯を食べないまま出かけました。
asagohan o tabenai mama dekakemashita.
I went out without eating breakfast.
この部屋は昔のままです。
kono heya wa mukashi no mama desu.
This room is just as it was long ago.
昨日はとても疲れていたので、服を着たまま寝ました。
kinou wa totemo tsukarete ita node, fuku o kita mama nemashita.
I was very tired yesterday, so I slept with my clothes on.
窓を開けたまま出かけないでください。
mado o aketa mama dekakenaide kudasai.
Please don't go out with the window open.
この野菜は生のまま食べられます。
kono yasai wa nama no mama taberaremasu.
You can eat this vegetable raw.
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