妳這種情況,如果要回去美國,得必須弄個返回簽證(returning resident visa), 屬於移民簽證, 費用400美元. 即使妳綠卡沒有過期,都要辦這類簽證, 因為妳已經離開美國超過壹年了,加上離開美國之前沒有辦理回美證(return permit). 只要證明有有不可控制的理由,就OK了,例如家庭急事或病因.
SB1 Visas: Returning Residents
A Lawful Permanent Resident (LPR) whose status has lapsed due to a failure to maintain a residence in the United States may in certain circumstances be granted an SB1 visa allowing readmission.
To apply for an SB1 visa, please read the instruction and come to the Consulate with the following documents:
Form DS-117: Application to Determine Returning Resident Status
Original passport, green card, re-entry permit and/or other valid identification documents.
A statement in English and Chinese, explaining the reason for your overstay.
Any evidence you have that demonstrates the reason for your overstay. Translate all material into English.
For more information, please click here.
美國駐廣州領事館信息: /sb1_visas_returning_residents.htm