Your boyfriend can not adopt your child while he also remains yours. It does not matter if he is a US citizen, legal alien or illegal alien. For him to do that he would need to marry you. The license would cost $35.00 and you would each need a picture ID.
It is easier to adopt a child in the US.
Yes, but he would get his GC through his wife not the adopted US citizen child.
Based on what you stated- the child would be an illlegal alien because he was not born in the U.S. and does not have legal status.,
yes
Yes it is possible. As long as their criminal record is clean, legal immigration status can be validated, you're ok.
No.
no
no
A legal alien someone that is living in a US that has a card saying they can live in the U.S. You can go and get a card that can supports this.
No, a non legal citizen with a legal work permit can not adopt in the US. The person may adopt once they become a legal citizen.
It is a rule stating that if you are married to an US citizen then you will be considered an legal citizen.