Can i go back to the USA ?

If you have a valid visa and you did not reside here unlawfully you can visit. We would need more info to advise you

Yes you can transfer just explain in an addendum and attach the old 797 and receipt notice for recent transfer

H1-B expiring in 3 months, Valid passport , Can I apply to Canadian multiple entry tourist visa?

This is a US immigration forum. Best to speak to an attorney that does Canafian immigration.

Petitioner withdrew case I-485 ( I am currently an H1-B holder)

You can stay here on a H1B but your green card will be denied.

My friend here on B-2 visa, her fiance is LPR, recently they got married and submitted I-130, which was approved.

She can file her adjustment of status application when her priority date is current. Her priority date is the receipt date of the I130. She can...

Selected as the best answer

I-140/I-485 co-ordination by USCIS

Everything is computerized and all your information and filed forms are in their system with receipt numbers

How can i renewmy i-94

You cannot. You can only extend your I94 if you are n valid status

Can my girlefriend help me get the Green Card?

She can only apply for you if you are married XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

If I have h1b visa in US, can my wife work outside US, but be inside US?

She can work for job outside the USA as long as she is paid outside the USA

Can you travel on a tourist visa while your green card is being processed?

You can try obtain a visitor visa first before filing an I130. However, it may be denied as you are married to a USC.