Resumen:
Selecting materials when teaching EFL inolves making choice and decicins. To marke good chice we need to have good criteria on which to base our decision. As EFL teachers, we know thats it is rare for a singl e set of published material to match the exact learing needs of our students; moreover, the activities we find in such tex tbooks do not always meet the stated objetives, Thus, it is crucial to analyse the materials we have at harnd and dicede whether they suit our needs. In this paper, I will focus on the criteroia we should follow when selecting or designing materials to teach grammar.