2 Replies ・ Started by bishal at 2015-10-14 01:32:06 UTC ・ Last reply by Mieru at 2015-10-14 16:50:01 UTC This is a discussion about そと外がくら暗くなってきた。 how does this make sense? I don't know if an adjective can be inflected to a verb. like above in the sentence...... How was 暗い changed to 暗く rawl123 at 2015-10-14 01:40:11 UTC 暗く is an adverb. なる (to become) is the verb here. Mieru at 2015-10-14 16:50:01 UTC 外が(outside)暗くなる(to become dark) -なってきた instead (became dark) Log in to reply.