Does anybody have any idea about F-1 studnets can file 1040 or not? If they file 1040, can get more refund, if file through 1040NR then get less refund. Does anybody have any detail idea about it? I heard, though you are an international student, after certain time you will be considered as RESIDENT only for tax purpose and you can file 1040. Filing through 1040 will affect for GREEN card processing or not?