Change the sentences into the Past and Future Indefinite: 1. He must sell the house. 2. We must do it at once. 3. Must you pay for it yourself? 4. She must learn the text by heart. 5. They must change trains in Paris. 6. They must read it carefully. 7. We must study hard. 8. I must change my shoes. 9. We must hurry. 10. They must be at the University at 8.30.
