YOU SAID:
Will we ever see this person turn up
INTO JAPANESE
私たちはこの人が登場するのを見ますか?
BACK INTO ENGLISH
Do we see this person appearing?
INTO JAPANESE
この人が現れるのを見ますか?
BACK INTO ENGLISH
Do you see this person appearing?
INTO JAPANESE
この人が現れているのを見ますか?
BACK INTO ENGLISH
Do you see this person appearing?
That didn't even make that much sense in English.