The document contains exercises practicing passive and active voice, causative constructions, and tenses. Exercise 1 contains sentences to change between active and passive voice. Exercise 2 contains sentences to change to passive voice. Exercise 3 contains sentences to complete using causative verbs. Exercise 4 contains sentences to complete using "had/got + object + past participle". Exercise 5 contains choosing between passive and causative options. Exercise 6 contains choosing the best answer for sentences involving passive voice, causative constructions and tenses.