YOU SAID:
Can I have your umbrella please!
INTO JAPANESE
傘を頂けますか!
BACK INTO ENGLISH
Can you give me an umbrella!
INTO JAPANESE
傘をくれませんか!
BACK INTO ENGLISH
Will you give me an umbrella!
INTO JAPANESE
傘をくれませんか!
BACK INTO ENGLISH
Will you give me an umbrella!
That didn't even make that much sense in English.