Introducing the Subjunctive.
This the Subjunctive of the Verb εἰμί and applies to most verbs except Contracts
Look for an η or ω where there would normally be a ο or ου or ε or ει
ὦ ᾖς ᾖ ὦμεν ᾖτε ὦσι
ei + e becomes eei o + o becomes oomen
The subjunctive is used to express an unfixed probable indefinite action but alsot to express encourage what some books call hortatory ad requests and proposals.