What is the difference between içiyor and içer
"içiyor" is used for current ongoing action (He is drinking). "içer" is a bit more complicated, but it is used for general statements and in a few other circumstances (He drinks)
why aren't su and şarap in the accusative?
Take a glance at this: https://www.duolingo.com/comment/7738396
General direct objects do not take the accusative case.
i do not understood why they say it is not correct when i write sen su içiyorsunuz we can say it with sen too and also we can say içiyorsun
There is a number mismatch: “sen” is singular but “içiyorsunuz” is plural. Both “sen içiyorsun” and “siz içiyorsunuz” are correct, however.
She is clever and I am not.