The present research shows important information about the application of some principles or didactic fundamentals that teacher applies during the Teaching Learning Process in the English class with students of second year of general high school, Complejo Educativo Refugio Sifontes, located in Ciudad Delgado, San Salvador. In the same way, this process tries to integrate students to any career in any university and society with technological advances, in which English language becomes a need and a useful tool to get better opportunities not only in this country, but also around the world.