ITALIAN: The most-used words ITALIAN: The most-used nouns - Page 10

Cosa = Che Cosa = What?

Cosa Sarà* - What Must it Be?/What is it?

*Italian uses the future tense to express an hypothesis where English would use "must"... for example:

Mary's late. She must have lost her keys.

Mary è in ritardo. Avrà perso le chiavi.