τις (tis): all forms
τις means “someone, anyone, a certain; some”. Below is its full declension in Ancient Greek.
Positive
| Masculine | Feminine | Neuter | Forms | |
|---|---|---|---|---|
| Nominative | τις | τις | τι | |
| Genitive | τινος | |||
| Dative | τινι | |||
| Accusative | τινα | τινα | τι | |
| Vocative | τι |
| Masculine | Feminine | Neuter | Forms | |
|---|---|---|---|---|
| Nominative | τινες | τινες | τινα | |
| Genitive | τινων | |||
| Dative | τισι(ν) | |||
| Accusative | τινας | τινας | τινα | |
| Vocative | τινες | τινες | τινα |
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.