If I have been convicted of a felony, and my green card expired 9 years, is it possible that I renew it ?

You definitely should consultant with an attorney who could study the details of your conviction, and advise you accordingly.

In N400 form of Application of Naturalization,

Since you do not currently have a spouse, you need only fill the section that asks for information on prior spouse(s).

How can we get a passport back from a US consulate?

Contact whichever Embassy/Consulate that has your father's passport and ask them to return it to him.

How to go about green card renewal if 'cardless'

If you just cannot find your card, you should report it in the lost category.

You would need to marry your boyfriend before you get your green card in order for him to qualify for a green card, unless you file for him...

How long after a Green Card interview does it take get a decision?

you will get your answer when they work their way back to your case.

Naturalization form (N400): middle initial when answering name exactly in green card?

You answered correctly. They will ask you again your name at the interview.

What's taking so long for my status to be updated?And how long do I have to wait to get a decision made?

You will get your answer when they get back to your case. Be patient. Hopefully you don't think that 2/5/2018 to 2/10/2018 is an unreasonable wait...

How does one explain an ongoing violation/misdemeanor investigation on adjustment of status I-485 form?

You will answer truthfully all questions relating to having been arrested. If the case is still pending, say so. CIS already has the information...

Withdraw affidavit of support?

The Affidavit of Support will be withdrawn/expire after you have earned 40 quarters; that is, 10 years of Social Security Income; or become a U.S....