MODALS

1. I can help you if you need my help
2. We could settle our final payment last week
3. You may stay here if you like
4. She might use this room last night
5. I must study hard tonight
6. I have to finish the work today
7. You should respect your parents
8. You ought to practise what he has told you to do
9. The children should not be playing. They should be at school
10. My sister studied hard for the test. She ought to get a good grade