You need to speak with a lawyer. This is a very complicated case with very serious consequences if denied. One year is a long time for this...

Adjustment of status interview completed, just received I 1-130 approval notice what happens next?

Does this mean his I-485 is also approved? - No. You would get a separate approval notice for the I-130 and the I-485. how much longer do we...

Your unlawful presence is tolled while you have a valid pending application.

I filled I-485, can I overstay in the USA?

You have to maintain status or they have to naturalize and become a citizen.

What a mess. Can't really give you the answers you seek without giving legal advice. That isn't proper since there is more information needed,...

Need more information to provide a complete answer. There could be a way for him to get a green card, but its impossible to tell you exactly how...

I aplied to renew my green card also from 1986, and they want my old one, which i may not wanna give them for sentimental reaso?

you just need to provide a copy of the front and back with your application.

Is it possible to get any visa to the States after a violation of visa rules?

See my guide on what happens when youre unlawfully present in the United States: https://www.avvo.com/legal-guides/ugc/unlawful-presence-explained-

Is my husband, who is on a h2b work visa eligible to apply for form I-192

Your question(s) is way too complicated for this forum You NEED to get a consultation with an immigration attorney.

If a person is illegal now and later if he/she marries f1 visa person or h1 visa person then he/she can get a dependent visa?

Generally no. Here is a guide a wrote which explains consequences of being here without...