Explanation
Express a continuous action or state; 'left as is', 'non-stop'.
Formation
Verb-ます stem + っぱなし
Detailed explanation
The ～っぱなし grammar point is used to express that something is left in a certain condition for an extended time or that an action continues without stopping. It attaches to the ます-stem of verbs.
Examples
Mado o akeppanashi ni shite, heya ga samuku natte shimatta.
I left the window open, and the room got cold.
Kare wa ongaku o kiku no ga suki de, itsumo iyahon o tsukeppanashi desu.
He loves listening to music and always has his earphones on.
Kodomo wa omocha o yuka ni okippanashi de, katazukenakatta.
The child left the toys on the floor and didn’t put them away.
Sakuya wa isogashikatta node, terebi o tsukeppanashi ni shite nete shimatta.
I was busy last night, so I left the TV on and fell asleep.
Practice
Grammar content sourced from hanabira.org.