English — Expressing Obligation and Prohibition: Must, Have to, Mustn’t — 2nd Year Literary Stream

Expressing Obligation and Prohibition: Must, Have to, Mustn’t

Different modal verbs express different degrees of obligation and prohibition.

Must vs Have to

• Must: internal obligation (personal feeling): “I must study for the exam.”
• Have to: external obligation (rule/law): “We have to wear a uniform at school.”

Mustn’t vs Don’t have to

• Mustn’t: prohibition (not allowed): “You mustn’t smoke here.”
• Don’t have to: lack of obligation (not necessary): “You don’t have to come if you don’t want.”

Exercises

1. Complete: “You ___ be quiet in the library.” (obligation).
2. Complete: “You ___ drive without a license.” (prohibition).
3. What is the difference between “mustn’t” and “don’t have to”?

دروس مشابهة

• اللغة الإنجليزية — Vocabulary: school subjects (ملخص) — السنة الثانية ثانوي
• اللغة الإنجليزية — Yes/No questions (تمارين وحلول) — السنة الأولى متوسط
• اللغة الإنجليزية — Writing: descriptive paragraph (تمارين وحلول) — السنة الأولى