This document contains exercises for students to practice forming affirmative and negative sentences in Spanish as well as identifying singular and plural objects using articles like "a", "an", and "the". The first section asks students to write affirmative sentences using subjects and verbs provided. The second section provides incomplete negative sentences for students to finish. The third section asks students to complete sentences with either the indefinite article "a" or "an". The final section instructs students to write sentences describing a picture using demonstrative articles like "this", "that", "these", or "those".