This verb つく represents a transitivity conjugation pair: to turn on / light up [Intransitive] (JLPT N5). つく (tsuku) is intransitive (自動詞) and describes a state of being lit or turned on.
Context Example
部屋の明かりが[つく]。
Heya no akari ga tsuku.
The room light turns on. (Intransitive)
What is the transitive/intransitive verb for "to turn on / light up [Intransitive]"?
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