write + (past) + leaving it as is
kaita mama
leaving it as is; still in the state of
眼鏡かけたまま寝ちゃった。
megane kaketa mama nechatta.
I fell asleep with my glasses still on. casual
窓を開けたまま出かけてしまった。
mado o aketa mama dekakete shimatta.
I went out and left the window open. neutral