回複：火急! I-485 Interview --請幫助

3. I have not got an notice yet for myself, not sure whether the mail has got lost (this situation happened before because we just moved in the summer), or I am not required to do the interview.
-You may be not required to do the interview.

In this case, do I need to fill I-864 for myself and prepare all of the required documents?
-Yes.

4. I read the instructions on I-864, but am still confused and don't know how to fill the form.
-See:
http://www.immigration.com/affidavit/the_form_explained.html

http://mumbai.usconsulate.gov/faq_fill_i864.html

I ted the I-585 application for my spouse and my son, should I be counted as the petitioner or sponsor, or both?
-Both