III. EXERCISE *Write the correct form of the verbs in the parentheses. 1. I can (do) everything, but Nam can (do) nothing. 2. She must (do) her homework now. 3. Next week we may (have) an English test. 4. Last week she (have to stay) at home. 5. They might (find) out another planet in the future. 6. Maria (can read) when she (be) 3. 7. I (can drive) car last year. 8. We should (not play) game so much. 9. He (have to work) hard everyday. 10. They (have to repair) their house next year. 11. Now we (have to do) our homework. 12. She (have to cook) dinner yesterday. 13. You (can play) piano? 14. You (have to go) to work tomorrow? 15. He (have to cut) flowers last Sunday? 16. What your brother (have to do) everyday? 17. Next week they must (fix) their car. 18. It is rule so we ought to (do) it now. 19. Mo (not have to do) anything yesterday. 20. We (not have to do) anything now. 21. They (not have to water) flowers tomorrow. 22. I must (finish) my work next week. 23. She (have to do) it last night. 24. We ought to (nodo) it 25. What I (have to do) first?