YOU SAID:
who's driving this busss
INTO JAPANESE
誰がこのバスを運転している
BACK INTO ENGLISH
Who is driving this bus?
INTO JAPANESE
誰がこのバスを運転していますか?
BACK INTO ENGLISH
Who drives this bus?
INTO JAPANESE
誰がこのバスを運転しますか?
BACK INTO ENGLISH
Who drives this bus?
That didn't even make that much sense in English.