This document provides an overview of key grammatical concepts covered in the 1st ESO starter unit and Unit 1, including the verb "to be", possession (have got, Saxon genitive, possessive adjectives and pronouns), personal pronouns, demonstratives, WH-words (what, who, how, etc.), "there is/there are", and quantifiers/determiners. The document defines these concepts and provides examples to illustrate their use in Spanish.