Form 【Japanese Grammar: Form】Verb なForm
Verb なForm is used with sentence patterns such as ければなりません（have to）and くてもいいです（don't have to）. Some examples are たべな (to eat)、きかな (to listen)、よまな (to read)、しな (to do)、こな (to come)、あけな (to open)、しめな (to close)、のまな (to drink)、およがな (to swim)、すわらな (to sit)、はしらな (to run)、たたな (to stand) and so on.
