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Obligation & Necessity (must/have to) Exercises

Online exercises on must, have to, has to, and need to for expressing obligation and necessity — with answers and explanations. Practise must vs have to, mustn't vs don't have to, and have to across past and future tenses. Multiple choice questions from A2 to B1. 4 exercise sets with 80 questions (A2 - B1 Level).

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Start with Multiple Choice to build confidence with Obligation & Necessity (must/have to) exercises, or try Worksheet to practice all questions on one page.

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A2Elementary
1

Must and Have To: Obligation Exercises

Obligation & Necessity (must/have to) Exercises

A2·20 questions·12 min
2

Mustn't vs Don't Have To Exercises

Obligation & Necessity (must/have to) Exercises

A2·20 questions·12 min
Falling Ice Caused Big Nepal Flood
A2 ReadingNEW
137 words·1 min read

Falling Ice Caused Big Nepal Flood

A huge flood hit the border of Nepal and Tibet on Wednesday. At least 356 people died. Nearly 1,400 people are still mis…

AudioVocabulary5 Exercises
Practice Reading
B1Intermediate
3

Have To in All Tenses & Need To Exercises

Obligation & Necessity (must/have to) Exercises

B1·20 questions·14 min

Mixed Modals of Obligation Exercises

Obligation & Necessity (must/have to) Exercises

B1·20 questions·15 min

You ___ drive on the right in the United States. It's the law.

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Falling Glacier Caused Huge Flood in Nepal
B1 ReadingNEW
219 words·2 min read

Falling Glacier Caused Huge Flood in Nepal

A huge flash flood rushed down the border between Nepal and Tibet on Wednesday. At least 356 people died. Nearly 1,400 p…

AudioVocabulary5 Exercises
Practice Reading

Why practice Obligation & Necessity (must/have to) exercises?

These exercises help you master all the ways to express obligation and necessity in English. Start with must and have to (and has to for third person) for basic obligation at A2 level, then learn the crucial difference between mustn't (prohibition) and don't have to (no obligation) — one of the most common mistakes for English learners. Next, expand have to into past, future, and perfect tenses, and discover need to and needn't as lighter alternatives. Finally, practise choosing between must, have to, and need to in real-life contexts such as school rules, traffic regulations, and workplace requirements. Once you've mastered obligation, move on to should and ought to for advice.