Noun cases
Nominative, accusative, genitive and vocative: what each case is for and how the article changes.
Four cases
The subject is nominative, the direct object is accusative, possession is genitive, and you address someone in the vocative.
| πτώση | αρσενικό «ο φίλος» |
|---|---|
| ονομαστική | ο φίλος |
| αιτιατική | τον φίλο |
| γενική | του φίλου |
| κλητική | φίλε |