1. When ( do/will ) our classes start tomorrow? 2. The train from Liverpool ( arrives/will arrive ) at 7:30. 3. I don't think the train ( arrives/will arrive ) on time. 4. I ( will apologize/apologize ) if you ( will explain/explain ) to me why I should. 5. I ( will play/am playing ) football tomorrow. 6. I ( will promise/promise ) I ( will phone/phone ) my granny. 7. We ( will go/are going ) to St. Petersburg soon. 8. What time ( does/will ) the bus arrive in Cardiff? 9. Alee ( is going to write/is writing ) a letter to his parents in the evening. 10. We are having a party on Saturday night. ( Will you come/Are you coming )?