Κάτι που ξεκίνησε στο παρελθόν και συνεχίζεται έως τώρα.

Κάτι που μόλις συνέβη ή τελείωσε.

Κάτι που έγινε στο παρελθόν και βλέπουμε τα αποτελέσματά του στο παρόν.

every day

yesterday

yet

are buying

have bought

have buyed

Did .......drink

Are .....drinking

Have .....drunk

already

yet

never

have cooked

cooking

has cooked

Have you drink three glasses of water?

Have you drunked three glasses of water?

Have you drunk three glasses of water?

has played

have played

playing

ever

yet

already