この練習では、have to、must、shouldの使い方を日常のさまざまな場面で練習します。これらの助動詞は、規則、法律、助言、個人的な義務について話すときに役立ちます。
1. You _____ wear a helmet when riding a bike.
2. I _____ take my medicine every morning.
3. You _____ eat so much junk food.
4. You _____ touch the wires. It's dangerous.
5. Do we _____ finish the project by tomorrow?
6. You _____ bring any food. We’ve got plenty.
7. _____ I call her now or wait until later?
8. You _____ be at work by 9 a.m.
9. Students _____ hand in their essays by Friday.
10. You _____ get some rest before your exam.
11. He _____ work on Saturdays.
12. _____ we bring our own laptops to class?
