2. Technically, Yes.
3. It is too late for that.
It appears that USCIS has relied on it previous approval and not on your I-94 to extend your status.
You should retain an experienced immigration lawyer to review all the facts and advise you accordingly.
J Charles Ferrari Eng & Nishimura 213.622.2255 The statement above is general in nature, as not all the facts are known. You should retain an attorney to review all the facts specific to your case in order to receive advise specific to your case. The statement above does not create an attorney/client relationship.
I agree with my colleague. You are technically out of status because your I-94 expired. Get the help of an experienced immigration attorney so your situation does not get more complicated.
DISCLAIMER: This answer is intended to provide general information only. No attorney-client relationship has been created by this posting.