YOU SAID:
What time are you coming over?
INTO JAPANESE
何時にやって来る?
BACK INTO ENGLISH
What time come?
INTO JAPANESE
何時に来ますか。
BACK INTO ENGLISH
What time do you come?
INTO JAPANESE
あなたは何時に来ますか
BACK INTO ENGLISH
What time do you come?
Come on, you can do better than that.