"They are cats."

[LIQUID_INFERNO]

Anywhere I can read about the rules that make this thing happen "αυτές-γάτες", "αυτοί-γάτοι"?

[ChemicalWa1]

Why is this not, Αυτοί είναι γάτες

[Ovidiu-Sandu]

I don't think so.

[AttiDrehto]

Speakers of Greek have to know at the very beginning of the sentence what its last word is going to be. That's really challenging!