Müssen is a German irregular verb meaning must. Müssen appears on the 100 Most Used German Verbs Poster as the 26th most used irregular verb.
Müssen Conjugation: Present Tense
*Irregular forms in bold.
Müssen Present Perfect
The past participle of Müssen is gemusst. The present perfect tense is formed by combining the auxiliary verb haben with the past participle.
Müssen Simple Past
The simple past of Müssen is musste.
Regular vs. Irregular Verbs
A verb is called a regular verb when its conjugation follows a typical pattern. A verb which does not follow these patterns exactly is called an irregular verb. In German, the 3 regular patterns are for verbs ending in en, eln/ern, and ten.
German Conjugation Chart
Looking for more verbs like Müssen? Check out our German Conjugation Chart, the 100 Most Used German Verbs Poster!