Well answer depends on when or how fast after applying for green card your travel plan is. Depending on the seriousness and urgency of your visit the decision to travel must be taken. Maybe going outside US will not be a problem but entering becomes a problem.
these are the students who live abroad ,that is, other then the country in which you are living and you have a green card .these students come to study for a period of time in your country may have had their parents living in your country before they were Born who do not hold the green card of your country.
The process to get green card can be through marriage,employment or through relative and should be petitioned for by the US citizen or green card holder spouse, employer or US citizen relative or green card holder in US respectively. Depending on the availability of the visas under the category you apply the time period to get a green card changes.
The processing time for a green card after biometrics can vary depending on individual circumstances and the type of green card application. Generally, it can take several months to a year or longer for a green card to be approved and issued after completing biometrics.
until the end of time
Per immigration law, YES you have to renew the green card to be a legal resident.
If you are a dependent (are not her adult child) and she has applied for your green card same time as hers.
If you got got your green card by not being married to a US citizen it is 4 years and 9 months to apply for Citizenship, but if you obtained your green card through marriage you would have to be married at least three years to file for citizenship and submit your marriage certificate along with other documents, like your SS#card,State Driver Lic, Green Card (copies only do not send originals) the form (N-400 which cost $675, since prices went up on July 30, 2007)
The only time a green card holder is forgiven for working illegally or owing taxes is if they obtain the green card through marriage to a US citizen.
To obtain a green card there are many ways: through employment, a family member or marriage. You must be sponsored by a family member in the U.S. in order to apply for a Family-Based Green Card. To apply for an Employment-Based Green Card, a foreign applicant must be sponsored by a qualifying U.S. employer. Individuals who obtain a Green Card through marriage to a U.S. Citizen are granted "Conditional" Green Card status, which is only valid for two years. Individuals who have been granted Conditional Green Card Status are required to apply to remove the Conditions on their Green Card within 90 days of the date that their Conditional Permanent Resident status expires.
A card that lasts a long time
The appointment with the INS is usually about 1 hour
Any child of a green card holder is eligible to apply, married or not. But the wait time for married children and children over the age of 18 is about 10 yrs.