Utilizar estructuras PROPIAS de la lengua extranjera: To use structures ... of the foreign language.
Escribir frases TANTO en soporte papel COMO digital: To write sentences ... in paper ... digital format.
Use exact (sentence) structures in a foreign language.
Write phrases (sentences) so that they can support both paper and electronic forms.
I think that is what you are meaning. It �s hard to just translate sentences without knowing what they are used for.
If you are writing objectives these are how mine would look. In Spanish, I would write the objectives like this:
Utilize las formas apropiadas de estructuras de oraciones de la idioma extranjera.
Escribe oraciones que puede utilizar formas de comunicacion del papel y electronico.
PROPIAS = exact TANTO = so COMO = as or like
But I use "Mexican Spanish" so words might have a different meanings than what is used in "Castellano".