YOU SAID:
katherine, will you go to andy's with me?
INTO JAPANESE
キャサリン、アンディの一緒に行ってくれませんか。
BACK INTO ENGLISH
Catherine, will you go with Andy?
INTO JAPANESE
キャサリン、アンディと一緒に行くの?
BACK INTO ENGLISH
Catherine, are you going with Andy?
INTO JAPANESE
キャサリン アンディと一緒に行くの?
BACK INTO ENGLISH
Catherine, are you going with Andy?
That didn't even make that much sense in English.