The document contains 5 exercises to practice different English grammar concepts in Spanish. The first exercise asks to change sentences to negative and interrogative forms. The second asks to fill in blanks with verbs in the present simple or continuous tenses. The third asks to use comparative adjectives. The fourth asks to use superlative adjectives. The fifth asks to use who, which, or whose to fill in blanks describing people or things. The exercises provide practice with common English grammar concepts.