Form I-539是唯一表格吧？外加 一封陈述信件与i-94 足够了吧？还有其它文件吗？
-In addtion to what you mentioned plus her passort and filing fee, you personally still need to provide the completed Form I-134 with the support documents. See this website for I-134:
Declaration of Financial Support | USCIS
感谢8老师数十年的服务！！！！
