Thank you for your response, please excuse me for responding in English, but I am taking the liberty of doing so since you responded in English.
If you entered as a minor and have been educated and have been living in the US, you are able to apply to become legally admitted to the country under the DREAM Act which was enacted by Presidential Order in June 2012. However, you still have to apply to have your status approved and receive legal status, since just marrying a US citizen would not grant you legal status if you are illegal.
Here is the information for you to apply for consideration for legal status through the USCIS under the DREAM ACT: DREAM ACT
If you do not get approved under the Act, then unless new legislation is approved you could be forced to leave the US and try to gain legal status if you get married by having your future husband apply to get you legal visa
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