Rewrite sentences in the passive with full verb forms. Pay attention to the use of modal verbs in passive structures. (Перепиши предложения в пассивном залоге. Обрати внимание на употребление модальных глаголов в пассивных конструкциях.) Образец: Children may take their toys to the class. Children’s toys may be taken to the class. 1. Peter can correct the mistake. The mistake by Peter. 2. You can hear this song everywhere. This song everywhere. 3. Mary must bring the letters today. The letters by Mary today. 4. Pupils had to bring their books to school. Pupils’ books to school.