Question

1. May I have a glass of water?
2. May I drink a glass of water?
3. May I take a glass of water?

(Does #1 mean #2 or #3?)

Answer 1

#1 is the most common usage. It is presumed that you want the glass of water in order to drink it, but the context will make that clear.

#3 is much less common, but could mean the same thing. It is likely that English is not the speaker's native language. In Portuguese, for instance, the verb "tomar" (take) is often used to mean "drink."

Answer 2

i think it is ..... He asked if i can have a glass of water. it can help u...