The periphrastic constructions can express evidentiality when the auxiliary verb is used in the perfect screeve instead of present as in (5).
With past events /et'q'oba/ occurs sometimes in the imperfect screeve. For this reason it must be considered as a semi-grammaticalized element, since it is not completely fossilized and is collocated on the continuum between lexicon and grammar (Topadze 2008):
(4) Screeve is a paradigmatic set (tense-aspect-mood) of verbal forms which inflects only for person and number.
Table 1: TAM paradigm of the Georgian Verb SERIES SCREEVE (4) TENSE MOOD ASPECT I Present Present Present/ Indicative Imperfective Future (Future Imperfect Past Indicative Sub-Series) Present Present/ Subjunctive subjunctive Future Future Future Indicative Perfective Conditional Past Indicative Future Future Subjunctive subjunctive II Aorist Aorist Past Indicative Perfective Optative Present/ Subjunctive Future III Perfect Perfect Past Indicative Pluperfect Past Indicative Perfect Past/ Subjunctive Subjunctive Future Table 2: Lexical markers of evidentiality in Georgian Types of Quotative Markers Adverbial Evidentials Expressions Inferential Reportive -metki 1st pers.
Evidentiality in some contexts can also be expressed by pluperfect (inference or hearsay) conditional or future (only inference) screeves.
The Georgian name of evidential screeves (turmeobitis mc 'k'rivebi is derived from the particle /turme/.