7. What your brother (to do) every day? What your brother (to do) now? What your brother (to do) tomorrow? What your brother (to do) yesterday?

Решение:

1. What does your brother do every day? (Present Simple, регулярное действие)
2. What is your brother doing now? (Present Continuous, действие в момент речи)
3. What will your brother do tomorrow? (Future Simple, вопрос о будущем)
4. What did your brother do yesterday? (Past Simple, вопрос в прошлом)

Ответ: does do; is doing; will do; did do.