YOU SAID:
Can I have a drink of water?
INTO JAPANESE
水を飲むことはできますか?
BACK INTO ENGLISH
Can I drink water?
INTO JAPANESE
水を飲めますか?
BACK INTO ENGLISH
Can you drink water?
INTO JAPANESE
水を飲めますか?
BACK INTO ENGLISH
Can you drink water?
That didn't even make that much sense in English.