This document discusses common errors made by native Spanish speakers learning English as a second language. It analyzes how aspects of Spanish grammar, such as word choice, word order, pronouns, articles, and verb tenses can negatively transfer and influence the speaker's English. Specific examples are provided to illustrate errors relating to overusing certain words, incorrect preposition use, dropping subject pronouns, improper possessive pronouns, omitting articles, and misusing verb tenses like the present progressive and past tense. The document maintains that being aware of these differences between Spanish and English grammar can help teachers address common errors.