Mustn't vs. Don't Have To / Doesn't Have To
We use mustn't to say that something is not allowed or prohibited.
Example: You mustn't smoke here.
[Du darfst hier nicht rauchen.]
We use don't have to / doesn't have to to say that something is not necessary.
Example: You don't have to come early.
[Du musst nicht früh kommen.]
mustn't = prohibition
[mustn't = Verbot / nicht dürfen]
Students mustn't talk during the exam.
[Schüler dürfen während der Prüfung nicht sprechen.]
don't have to / doesn't have to = no necessity
[don't have to / doesn't have to = keine Notwendigkeit / nicht müssen]
He doesn't have to pay today.
[Er muss heute nicht bezahlen.]
Simple memory help:
mustn't = not allowed
[nicht erlaubt]
don't have to / doesn't have to = not necessary
[nicht notwendig]
1. You ______ smoke here; it's a non-smoking zone.
mustn't
a) mustn't
b) don't have to
c) doesn’t have to
[Du darfst hier nicht rauchen; es ist eine Nichtraucherzone.]
2. She ______ attend the meeting if she's busy.
doesn’t have to
a) mustn't
b) don't have to
c) doesn’t have to
[Sie muss nicht an der Besprechung teilnehmen, wenn sie beschäftigt ist.]
3. We ______ park here; it's a restricted area.
mustn't
a) doesn't have to
b) mustn't
c) don't have to
[Wir dürfen hier nicht parken; es ist ein gesperrter Bereich.]
4. He ______ finish the assignment today; there's no deadline.
doesn’t have to
a) doesn’t have to
b) mustn't
c) don't have to
[Er muss die Aufgabe heute nicht fertig machen; es gibt keine Frist.]
5. Students ______ talk during the exam.
mustn't
a) don't have to
b) doesn’t have to
c) mustn't
[Schüler dürfen während der Prüfung nicht sprechen.]
6. You ______ bring your own lunch; food is provided.
don’t have to
a) mustn't
b) don't have to
c) doesn’t have to
[Du musst dein eigenes Mittagessen nicht mitbringen; Essen wird bereitgestellt.]
7. She ______ share her password with anyone; it's confidential.
mustn't
a) mustn't
b) doesn't have to
c) don't have to
[Sie darf ihr Passwort mit niemandem teilen; es ist vertraulich.]
8. They ______ attend the party if they don’t want to.
don’t have to
a) mustn't
b) doesn’t have to
c) don't have to
[Sie müssen nicht zur Party kommen, wenn sie nicht wollen.]
9. Drivers ______ drink alcohol before driving.
mustn't
a) don’t have to
b) mustn't
c) doesn’t have to
[Fahrer dürfen vor dem Fahren keinen Alkohol trinken.]
10. He ______ pay for parking; it's free today.
doesn’t have to
a) mustn't
b) doesn’t have to
c) don't have to
[Er muss heute nicht fürs Parken bezahlen; es ist heute kostenlos.]
11. You ______ forget to lock the door before leaving.
mustn't
a) mustn't
b) don't have to
c) doesn’t have to
[Du darfst nicht vergessen, die Tür abzuschließen, bevor du gehst.]
12. She ______ attend the optional workshop; it’s not mandatory.
doesn’t have to
a) mustn't
b) don't have to
c) doesn’t have to
[Sie muss nicht am optionalen Workshop teilnehmen; er ist nicht verpflichtend.]
13. They ______ enter the restricted area without permission.
mustn't
a) doesn’t have to
b) mustn't
c) don't have to
[Sie dürfen den gesperrten Bereich nicht ohne Erlaubnis betreten.]
14. You ______ bring your own chairs; seating is provided.
don’t have to
a) don't have to
b) mustn't
c) doesn’t have to
[Du musst keine eigenen Stühle mitbringen; Sitzplätze sind vorhanden.]
15. He ______ disclose personal information without consent.
mustn't
a) don’t have to
b) doesn’t have to
c) mustn't
[Er darf persönliche Informationen nicht ohne Zustimmung weitergeben.]
16. She ______ complete the form if she has already registered.
doesn’t have to
a) doesn’t have to
b) mustn't
c) don't have to
[Sie muss das Formular nicht ausfüllen, wenn sie sich schon registriert hat.]
17. You ______ eat in the library; it’s against the rules.
mustn't
a) don’t have to
b) mustn't
c) doesn’t have to
[Du darfst in der Bibliothek nicht essen; es ist gegen die Regeln.]
18. He ______ pay for the tickets; they are complimentary.
doesn’t have to
a) mustn't
b) doesn’t have to
c) don't have to
[Er muss die Tickets nicht bezahlen; sie sind kostenlos.]
19. They ______ park on the grass; it's prohibited.
mustn't
a) mustn't
b) don’t have to
c) doesn’t have to
[Sie dürfen nicht auf dem Gras parken; es ist verboten.]
20. You ______ attend the meeting if you have nothing to contribute.
don’t have to
a) mustn't
b) don't have to
c) doesn’t have to
[Du musst nicht an der Besprechung teilnehmen, wenn du nichts beizutragen hast.]
21. She ______ touch the artwork; it's very fragile.
mustn't
a) doesn’t have to
b) mustn't
c) don't have to
[Sie darf das Kunstwerk nicht berühren; es ist sehr empfindlich.]
22. We ______ finish the project today; the deadline is next week.
don’t have to
a) don't have to
b) mustn't
c) doesn’t have to
[Wir müssen das Projekt heute nicht fertig machen; die Frist ist nächste Woche.]
23. He ______ use his phone while driving; it’s against the law.
mustn't
a) don’t have to
b) doesn’t have to
c) mustn't
[Er darf sein Handy beim Fahren nicht benutzen; es ist gegen das Gesetz.]
24. You ______ bring your own drinks; refreshments are provided.
don’t have to
a) mustn't
b) don't have to
c) doesn’t have to
[Du musst keine eigenen Getränke mitbringen; Erfrischungen werden bereitgestellt.]
25. They ______ run in the hallways; it's dangerous.
mustn't
a) mustn't
b) don't have to
c) doesn’t have to
[Sie dürfen auf den Fluren nicht rennen; es ist gefährlich.]