If i claim my girlfriend, can she still file her w2s? like would she file them with mine. she did not make more then 4000 and i usually claim her as i take care of us

[MinhT]

You can claim your girlfriend as a dependent if she passes all the following tests:

1. The person can't be your qualifying child or the qualifying child of any other taxpayer. 
2. The person must live with you all year as a member of your household (and your relationship must not violate local laws). 
3. The person's gross income for the year must be less than $4,050. 
4. You must provide more than half of the person's total support for the year.
5. The person is a U.S. citizen, U.S. resident alien, U.S. national.
6. The person is not a married person who files a joint return unless that joint return is filed only to claim a refund of withheld income tax or estimated tax paid.

If she received her income (less than $4,050) as wages on a W-2 form, she is not required to file a tax return. But she can file a tax return to obtain a refund of taxes withheld.

If her income is from self-employment (form 1099-MISC), she is required to file a tax return if the amount is over $400.

In both case, she has to indicate on her tax return that she can be claimed as a dependent by someone else.