The document contains exercises on using conditionals in English. It focuses on the first conditional, which is used to talk about possible or likely events in the future. The exercises include choosing the correct verb tenses, filling in blanks, matching conditional sentences, writing your own conditional sentences, rearranging words to form conditionals, answering questions that require a conditional response, and a quiz on conditionals. The goal is to practice forming and understanding conditional sentences using the first conditional structure in English.