He is good at speaking English.

I am thinking of learning Greek.

The Slavic languages are one of the major language groups in Europe.

He is learning Ancient Greek language.

I am learning Modern Greek.

Aorist is one of the tenses in the grammar of languages such as Greek and Slavic.

Slavic culture is very rich and attractive.

He can speak Japanese fluently.

He is good at speaking Spanish.

He likes to learn new words.