I -140 Priority date not corecct - can i apply I - 485

[GC_GOD]

I have I - 140 EB3 Priority date March 2005 applied I - 485 before marriage .

Applied new ( New Employer ) I - 140 EB2 Approved with April 2011

Now i need to apply I -485 for my wife ,But second I - 145 do not have the old priority date .

My Questions

1 ) How can i get my old EB3 priority date to EB2

2 ) If my I - 485 is approved ,Can i apply my wifes later ? or should i apply now ?

3 ) if my I - 485 IS APPROVED ..with in how many days i need to apply for my Wife.

If someone have done this process can you please let me know steps i need to do.

Thanks

[Belle]

If you have proof of your earlier PD, you may file your I-485. If your wife is in the US and in status, she may file with you.