esti

* thanatos de ge kai zoe doxa kai adoxia, ponos kai hedone, ploutos kai penia, panta tauta epises sumbainei anthropon tois te agathois kai tois kakois, oute kala onta oute aischra; out 'ar' agatha oute kaka esti: [2148] 1

NPNF2-08. Basil: Letters and Select Works 1895

All forms of the passive are formed by the aid of a corresponding form of the verb "esti" and a passive participle of the required verb; the preposition with the passive is "de."

The Esperanto Teacher A Simple Course for Non-Grammarians Helen Fryer

The compound tense formed by combining the present passive participle with the past tense of the auxiliary verb "esti" expresses an act or condition as being undergone by the subject of the verb "at some time in the past".

A Complete Grammar of Esperanto Ivy Kellerman Reed 1922

The compound tense made by combining the past passive participle with the past tense of the verb "esti" expresses an act or condition which "had been undergone" by the subject of the verb at some point in past time.

A Complete Grammar of Esperanto Ivy Kellerman Reed 1922

In addition to the aoristic tense, the conditional mood has three active and three passive compound tenses, formed by combining the participles with the aoristic tense of "esti" in the conditional mood.

A Complete Grammar of Esperanto Ivy Kellerman Reed 1922

The compound tense made by combining the past passive participle with the future tense of the verb "esti" expresses an act or condition which "will have been undergone" by the subject of the verb at some point in future time.

A Complete Grammar of Esperanto Ivy Kellerman Reed 1922

The compound tense formed by combining the present passive participle with the present tense of the auxiliary verb "esti" expresses an act or condition as "being undergone" by the subject of the verb, and is called the "present passive tense".

A Complete Grammar of Esperanto Ivy Kellerman Reed 1922

The compound tense formed by combining the past participle with the future tense of the auxiliary verb "esti" represents an act or condition as having been already completed or perfected at a future time, and is called the "future perfect tense."

A Complete Grammar of Esperanto Ivy Kellerman Reed 1922

The compound tenses formed by combining the future active participle with each of the three aoristic tenses of "esti" represent an act or state as about to occur in the present, past, or future, respectively, and are called "periphrastic future tenses."

A Complete Grammar of Esperanto Ivy Kellerman Reed 1922

The compound tense formed by combining the present passive participle with the future tense of "esti" indicates that an act or condition "will be undergone" by the subject of the verb.

A Complete Grammar of Esperanto Ivy Kellerman Reed 1922