YOU SAID:
would you like to be my girlfriend?
INTO JAPANESE
あなたは私のガールフレンドになりたがっていますか?
BACK INTO ENGLISH
Do you want to be my girlfriend?
INTO JAPANESE
あなたは私のガールフレンドになりたいですか?
BACK INTO ENGLISH
Do you want to be my girlfriend?
That didn't even make that much sense in English.