Be prepared to indicate any research interests you have. You should know that many teaching and research assistantships are competitive and that some schools do not offer assistantships to first-year graduate students. For the most part, in order to get a visa, you will need to demonstrate that your finances will allow you to study without relying on income from working. It is allowable for you to work part- time on campus, if such work is available at the school you attend, but the income from such jobs is not sufficient to be a major part of your financing. Off-campus employment is not allowed except in very special circumstances, and never for new students.
Most programs are two years in length.
However, there are some accelerated programs that can be completed in as little as one year. Whether such a program is appropriate for you depends on your preparation and your language skills. I will accompany her. I want to know if I can work there. Unfortunately, F-2 visa holders are not permitted to work in the United States under any circumstances.