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Додатково, всі базові форми можуть бути поєднані з частинкою майбутнього часу ''θα'', яка походить від дієслова
''θέλω'', 'хотіти'). У поєднанні з формами теперішнього часу вона утворює форми завершеного і незавершеного майбутнього. У поєднанні з незавершеним минулим використовується для вираження умовної форми.
Modern Greek verbs additionally have three [[Non-finite verb|non-finite]] forms. There is a form traditionally called "απαρέμφατο" (i.e. 'infinitive', literally the 'invariant form'), which is historically derived from the perfective (aorist) infinitive, but has today lost all syntactical functions typically associated with that category. It is used only to form the periphrastic perfect and pluperfect, and is always formally identical to the 3rd person singular of the perfective non-past. There is also a passive participle, typically ending in ''-menos (-meni, -meno)'', which is inflected as a regular adjective. Its use is either as a canonical adjective, or as a part of a second, alternative perfect periphrasis with transitive verbs. Finally, there is another invariant form, formed from the present tense and typically ending in ''-ontas'', which is variably called either a participle or a gerund by modern authors. It is historically derived from an old present participle, and its sole use today is to form non-finite adjunct adverbial clauses of time or manner, roughly corresponding to an ''-ing'' participle in English.
* Regular perfect periphrasis, with ''aparemphato'' ("invariant form"), for example:
** Έχω γράψει την επιταγή ({{IPA|[ˈexo ˈɣrapsi tin epitaˈʝi]}}, 'I have written the cheque')
* Alternative perfect periphrasis, with passive participle, for example:
** Έχω την επιταγή γραμμένη ({{IPA|[ˈexo tin epitaˈʝi ɣraˈmeni]}}, 'I have written the cheque')
* Adverbial clause with present participle/gerund form, for example:
** Έτρεξε στο δρόμο τραγουδώντας ({{IPA|[ˈetrekse sto ˈðromo traɣuˈðondas]}}, 'he ran along the street singing')
The tables below exemplify the range of forms with those of one large inflectional class of verbs, the 1st Conjugation.
===1ша Відміна===
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