14. Since a knowledge of the verb to be is necessary for formation of the most simple sentence, the conjugation of the verb to be, in the Indicative Mood, is given. (Breathings & accents need to be added)

Present
SingularPlural
ειμί I amεσμέν We are
εί Thou artεστέ Ye are
εστί Subject isεισί(ν) They are
Past
SingularPlural
ήν I wasήμεν We were
ήσθα Thou wastήτε Ye were
ήν Subject wasήσαν, They were
Future
SingularPlural
έσομαι I shall beεσόμεθα We shall be
έση Thou shalt beέσεσθε Ye shall be
έσται Subject shall beέσονται They Shall Be