Must または Have to? 義務の理解

must と have to の違いを理解することは、ルールや義務、必要性について話す際に重要です。どちらも義務を表しますが、文脈により使い分けられます。この A2 レベルの練習では、must、have to、don’t have to、mustn’t の中から適切な表現を選んでください。

1. You _____ wear a helmet when riding a motorbike.

must

have to

don’t have to

2. I _____ go to school tomorrow because it’s a holiday.

don’t have to

mustn’t

have to

3. We _____ touch that wire. It’s dangerous.

mustn’t

don’t have to

must

4. Do I _____ bring my own lunch?

must

have to

mustn’t

5. You _____ park your car here. It’s a no-parking zone.

mustn’t

don’t have to

have to

6. I _____ take my dog to the vet this afternoon.

must

don’t have to

have to

7. _____ we pay to enter the museum?

Must

Have

8. She _____ work on weekends.

doesn’t have to

mustn’t

has to

9. They _____ leave the building before 6 p.m.

must

mustn’t

have to

10. Do we _____ clean the classroom after the lesson?

have to

must

should

11. You _____ come if you're busy.

don’t have to

mustn’t

have to

12. You _____ speak during the exam.

mustn’t

must

have to