1. Active: They build a lot of houses every year. Passive: A lot of houses are built every year.2. Active: The children will speak English well next year. Passive: English will be spoken well by the children next year.3. Active: The teacher translated the sentences yesterday. Passive: The sentences were translated by the teacher yesterday.4. Active: She will eat her dinner in an hour. Passive: Her dinner will be eaten by her in an hour.5. Active: My parents often invite them to the parties. Passive: They are often invited to the parties by my parents.6. Active: Her father brought the things last Sunday. Passive: The things were brought by her father last Sunday.7. Active: I will give him a dictionary. Passive: A dictionary will be given to him by me.8. Active: The student finished the report in time. Passive: The report was finished in time by the student.