jeonghwahaji anayo
purify
purifier
jeonghwahaeyo
I purify
jeonghwahamnida
jeonghwahaesseoyo
I purified
jeonghwahaetseumnida
jeonghwahal geoyeyo
I will purify
jeonghwahal geosimnida
나는 공기를 정화하지 않아요.
naneun gonggireul jeonghwahaji anayo.
I do not purify the air.
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