The verb is absolutely invariant in person, number and gender.

The verbs end in:

'-it' in the past tense,
'-on' in the future tense,
'-a' in the present tense, (but here the verb esar can use 'es' from 'esa').

'-us' in the conditional,
'-ek' in the imperative,

'-ar' in the infinitive.
'-im' in the gerund.
'-ante' in the active participle.
'-ed' in the passive participle.