He is interested in synchronic linguistics.

He is thought to be a very unsociable person.

The United Kingdom of Great Britain and Northern Ireland is a country located in Europe.

He can speak Min Nan.

Learning Breton language is difficult.

Learning the Erzya language is difficult.

Learning Faroese is difficult.

He is learning the Cornish language.

I am learning Modern Greek.

He is learning Ancient Greek language.