Will this effect at Greencard(I-485) INTERVIEW,
-YES
If you don't give I-94 at Airport and don't report to the INS about it??
-- you must report
...what will happen??...
officer will tell you and may be delay of 10-14 months after interview ( i know a similar case), they will hold the case and investigate your exit and entry status to make sure you always maintained the valid status in US.
Any idea please
---- ask good lawyer