The past participle active is formed by -int. Ex. aminta = having loved; la skribinto = the author (lit. the man who has written).
The future participle active is formed by -ont. Ex. amonta = being about to love.
There are three passive participles.
The present participle passive is formed by -at. Ex. amata = being loved.
The past participle passive is formed by -it. Ex. amita = having been loved.
The future participle passive is formed by -ot. Ex. amota = being about to be loved.
All compound tenses, as well as the passive voice, are formed by the verb esti (to be) with a participle. Compound tenses are employed only when the simple forms are inadequate. Ex. mi estas aminta = I have loved (lit. I am having loved); vi estis aminta = you had loved (lit. you were having loved); ili estas amataj = they are loved; ŝi estas amita = she has been loved; ni estis amitaj = we had been loved; ili estos amintaj = they will have loved; ŝi estus aminta = she would have loved; mi estus amita = I should have been loved.
IV
list of affixes