一段 verbs may be conjugated to form imperative forms of ～よ or ～ろ. For example: 見る forms either 見よ or 見ろ 食べる forms either 食べよ or 食べろ How did the two forms come about? What is the difference in ...
Putting な after a plain verb turns it into negative imperative. But I noticed that in spoken Japanese, putting な after conjunctive form (連用形) turns it into positive imperative. For example: ...