They can be differentiated from other verbs because they carry a special [[morpheme]]. Another thing to note about imperative verbs is that the [[second aorist]] has a different tense stem than the present.<ref>http://web.clas.ufl.edu/users/marksj/summergreek/Gk-studyguides/greek_commands.pdf</ref> | They can be differentiated from other verbs because they carry a special [[morpheme]]. Another thing to note about imperative verbs is that the [[second aorist]] has a different tense stem than the present.<ref>http://web.clas.ufl.edu/users/marksj/summergreek/Gk-studyguides/greek_commands.pdf</ref> |