Der Kuchen wird gebacken.
English: The cake is being baked.
The German 'Passiv' (passive voice) is used when the focus is on the action or what happens to something, rather than who does it. The subject of the sentence receives the action.
Use the Passiv in German when the doer of the action is unknown, unimportant, or obvious. It is common in news, instructions, and formal texts.
Der Kuchen wird gebacken.
English: The cake is being baked.
Die Fenster werden geputzt.
English: The windows are being cleaned.
Die Rechnung wurde bezahlt.
English: The bill was paid.
Das Auto ist repariert worden.
English: The car has been repaired.