I would advise consulting with an immigration attorney to determine the processing time for your current family-based AOS application. If your visa number is current, and your AOS is pending normal processing times, it may be advantageous to await a decision on your current case.
Do not have two 'dueling' applications pending at the same time.
Meet with an attorney to see if it makes sense to withdraw the pending one and 'switching' to a marriage-based one.
Franco Capriotti - Senior Immigration Counsel
CAPRIOTTI INTERNATIONAL LAW
email@example.com -- 1-503-803-0055 -- www.capriotti.com
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IMMIGRATION LAW PROFESSOR for 10 years -- LEGAL DISCLAIMER: This answer is offered for informational purposes only. It does not constitute an attorney-client relationship.
All you're doing is betting on more than one horse. First one that gets you to the finish line will work just fine. Generally 'no' on working on EAD based on a denied petition.
Ricky Malik, Esq.