I lost my I-94 what can I do?

File an I-102 for for a replacement

It is said that Green Card Holders can't leave the US for more than 6 months without needing to file for a reentry visa.

Passport stamps.

I have to renew my greencard and was in a situation where I plead no contest to domestic battery and the adj was withheld.

File for the renewal.

I797 A number is not correct in H1B approval notice

You should get the I-94 number corrected.

If you are already beyond the 60 day grace period, you do not have any new grace period based on a denial. You would need to leave the US ASAP...

The level of questioning does not correlate to how busy the port of entry is.

Your H-1B would have terminated when your job was terminated. Your only option is not to accrue 180 days of unlawful presence, have a new H-1B...

Hi I am 20 yearsold. I am an H4 dependent turning 21 on december. We filed our permanent residency in June 2007.

You will need a valid advance parole to travel abroad.

I94 num should be same?

Unless you travel outside the US, the I-94 number will be the same.

F-1 to F-2 conversion.

If you are changing to F-2 status, why would you have to enroll "in study as an F-1 student"? Your change of status application needs to be filed...