Verb

müssen

Translation

would have to, should, ought to

Du müsstest das Formular ausfüllen.

You would have to fill out the form.

Eigentlich müsstest du jetzt im Bett sein.

Actually, you should be in bed now.

((Infinitiv)) ((sth.)) would have to do sth. You would have to make your homework.

solltest (should), könntest (could)

Konjunktiv II (subjunctive II) of the modal verb 'müssen' (must). The umlaut (ü) often indicates the subjunctive form.

Think of it as a softer, more hypothetical version of 'musst' (you must). It's like saying 'you would have to' or 'you really should'.