This is the 7124th most frequent Korean word.
제출하지
"제출하지" means "do not submit" or "does not submit," depending on the context.
‘제출하지’ here is part of the negative form ('못했어요') indicating failure to submit something.
그는 보고서를 제시간에 제출하지 못했어요.
He couldn't submit the report on time.
‘제출하지’ is used to indicate the act of submitting with ‘않아도’ forming a negative permission statement.
과제를 제출하지 않아도 된다고 들었어요.
I heard that we don't have to submit the assignment.
‘제출하지’ is part of a conditional ('않으면') stating the necessity of submission.