YOU SAID:
Does everyone have their pillow?
INTO JAPANESE
みんなは枕持ってますか?
BACK INTO ENGLISH
do you all have pillows?
INTO JAPANESE
皆さんは枕を持っていますか?
BACK INTO ENGLISH
do you have pillows?
INTO JAPANESE
枕はありますか?
BACK INTO ENGLISH
Do you have pillows?
INTO JAPANESE
枕はありますか?
BACK INTO ENGLISH
Do you have pillows?
That didn't even make that much sense in English.