The German Conjunction NACHDEM explained 🎯

Nachdem looks like a simple word meaning "after," but it comes with a grammar rule that trips up even confident B1 learners: the two clauses it connects can never be in the same tense. Here's exactly why, and how to get the tense pairing right every time.

The Basic Rule: Nachdem Needs Two Different Tenses

Because nachdem describes an event that's already finished by the time the main clause's event happens, German requires the nachdem-clause to sit one tense "further back" in time than the main clause. For past narration, that means Plusquamperfekt in the nachdem-clause paired with Perfekt or Präteritum in the main clause: Nachdem ich die Prüfung bestanden hatte, habe ich gefeiert. (After I had passed the exam, I celebrated.) For present or habitual actions, it's Perfekt in the nachdem-clause paired with Präsens in the main clause: Nachdem ich gegessen habe, gehe ich immer spazieren. (After I've eaten, I always go for a walk.)

Sentence Structure with Nachdem

As a subordinating conjunction, nachdem sends the verb to the end of its own clause. If the nachdem-clause comes first, the main clause that follows starts directly with its conjugated verb: Nachdem wir angekommen waren, haben wir sofort eingecheckt. (After we had arrived, we checked in immediately.) You can also reverse the order — main clause first, nachdem-clause second — and the same tense rule still applies: Wir haben sofort eingecheckt, nachdem wir angekommen waren.

More Practice Examples

Nachdem er aufgestanden war, hat er geduscht. (After he had gotten up, he showered.)
Nachdem sie die Nachricht gelesen hatte, rief sie sofort an. (After she had read the message, she called immediately.)

Want to see how nachdem compares to its close relatives bevor and während? Check out our lesson covering all three conjunctions.

Frequently Asked Questions

Why does nachdem need two different tenses?

Because nachdem describes an event that finished before the main clause's event, German requires the nachdem-clause to be grammatically "further in the past" than the main clause.

Which tense combination is used for past narration?

The nachdem-clause takes Plusquamperfekt, and the main clause takes Perfekt or Präteritum.

Which tense combination is used for present or habitual actions?

The nachdem-clause takes Perfekt, and the main clause takes Präsens.

What happens to word order when nachdem starts the sentence?

The nachdem-clause's verb goes to the end, and the main clause that follows starts directly with its conjugated verb after the comma.

Is nachdem's tense rule different from bevor and während?

Yes — bevor and während can use matching tenses in both clauses, while nachdem is the only one of the three that requires a tense shift.

Tense pairings like this one get real, hands-on practice in our B1 German course.