The present article bridges the acquisition of second languages and corpus linguistics. The creation of a corpus for the analysis of the use of Spanish by foreigners is a central part of the research of Spanish as a foreign language. If we compare the investigations of corpus compilations written in Spanish with the compilations in English, we will observe that they are not so numerous. However, inrecent years, a new interest has appeared and there is a substantial amount of written and oral information about Spanish as a foreign language.