羽を咲いている and 羽が咲いている difference


I've been told 羽を咲いている is incorrect. Can someone explain why I can't use を
here?




Because 咲く is an intransitive verb. Intransitive verbs don't take an object. を
is an object marker.

～を咲かせる means "to make ～ bloom". It is causative.




Because 咲く is an intransitive verb. Intransitive verbs don't take an object. を
is an object marker.

～を咲かせる means "to make ～ bloom". It is causative.

