Must, Mustn't, Have to, Don't Have to
Must, Mustn't, Have to, Don't Have to Exercises
Here is a very short explanation:
Must
Use for: strong obligation or advice from the speaker.
Example: You must wear a seatbelt.
Mustn't
Use for: prohibition; something is not allowed.
Example: You mustn't park here.
Have to
Use for: obligation due to rules or laws.
Example: I have to go to work at 9.
Don't have to
Use for: no obligation; something is optional.
Example: You don't have to come if you're busy.
Simple memory help:
Must = strong necessity
Mustn't = not allowed
Have to = required by rules
Don't have to = optional
1. You ______ finish your homework before dinner.
must
a) must
b) have to
[Du musst deine Hausaufgaben vor dem Abendessen fertig machen.]
2. You ______ swim here. The water is dangerous.
mustn't
a) mustn't
b) don't have to
[Du darfst hier nicht schwimmen. Das Wasser ist gefährlich.]
3. We ______ leave now or we will miss the bus.
must
a) have to
b) must
[Wir müssen jetzt losgehen, sonst verpassen wir den Bus.]
4. I ______ wear safety shoes at work.
have to
a) have to
b) must
[Ich muss bei der Arbeit Sicherheitsschuhe tragen.]
5. You ______ come with us if you are tired.
don't have to
a) mustn't
b) don't have to
[Du musst nicht mit uns kommen, wenn du müde bist.]
6. We ______ clean the room today. We can do it tomorrow.
don't have to
a) don't have to
b) must
[Wir müssen das Zimmer heute nicht putzen. Wir können es morgen machen.]
7. She ______ use her phone during the lesson.
mustn't
a) have to
b) mustn't
[Sie darf ihr Handy während des Unterrichts nicht benutzen.]
8. You ______ forget your passport.
mustn't
a) must
b) mustn't
[Du darfst deinen Reisepass nicht vergessen.]
9. They ______ stay until the end if they need to leave early.
don't have to
a) don't have to
b) must
[Sie müssen nicht bis zum Ende bleiben, wenn sie früher gehen müssen.]
10. He ______ say sorry for what he did.
must
a) have to
b) must
[Er muss sich für das entschuldigen, was er getan hat.]
11. You ______ touch that machine. It is dangerous.
mustn't
a) mustn't
b) don't have to
[Du darfst diese Maschine nicht berühren. Sie ist gefährlich.]
12. I ______ get up early tomorrow because I have an appointment.
have to
a) have to
b) must
[Ich muss morgen früh aufstehen, weil ich einen Termin habe.]
13. We ______ bring food. They will cook for us.
don't have to
a) mustn't
b) don't have to
[Wir müssen kein Essen mitbringen. Sie werden für uns kochen.]
14. You ______ drive so fast in the city.
mustn't
a) mustn't
b) don't have to
[Du darfst in der Stadt nicht so schnell fahren.]
15. She ______ wear glasses for reading.
has to
a) has to
b) must
[Sie muss zum Lesen eine Brille tragen.]
16. You ______ answer every question. Only do the first five.
don't have to
a) don't have to
b) must
[Du musst nicht jede Frage beantworten. Mach nur die ersten fünf.]
17. Visitors ______ smoke inside the building.
mustn't
a) don't have to
b) mustn't
[Besucher dürfen im Gebäude nicht rauchen.]
18. We ______ wear a seatbelt in the car.
have to
a) must
b) have to
[Wir müssen im Auto einen Sicherheitsgurt tragen.]
19. You ______ wash the dishes tonight. I can do them.
don't have to
a) don't have to
b) mustn't
[Du musst heute Abend nicht abwaschen. Ich kann das machen.]
20. He ______ stop when the traffic light is red.
has to
a) has to
b) must
[Er muss anhalten, wenn die Ampel rot ist.]
21. You ______ bring an umbrella. It is sunny today.
don't have to
a) mustn't
b) don't have to
[Du musst keinen Regenschirm mitbringen. Heute ist es sonnig.]
22. We ______ be quiet in the library.
must
a) must
b) have to
[Wir müssen in der Bibliothek leise sein.]
23. You ______ run in the hallway.
mustn't
a) mustn't
b) don't have to
[Du darfst auf dem Flur nicht rennen.]
24. I ______ pay this bill today. Tomorrow is fine.
don't have to
a) don't have to
b) must
[Ich muss diese Rechnung heute nicht bezahlen. Morgen ist auch in Ordnung.]
25. She ______ finish the form before she can enter.
has to
a) must
b) has to
[Sie muss das Formular ausfüllen, bevor sie hineingehen kann.]