YOU SAID:
Ok i think i'll drink water now
INTO JAPANESE
[Ok] を私は今、水を飲むよと思う
BACK INTO ENGLISH
I think OK, I now drink water.
INTO JAPANESE
[Ok] を私は今、水を飲むと思います。
BACK INTO ENGLISH
I think OK, I now drink water.
That didn't even make that much sense in English.