Every language offers two basic ways to express an event: one that keeps the verb at the center of the sentence, and one that turns the event itself into an abstract noun treated as a thing in its own right. In German these are called Verbalstil and Nominalstil, and moving fluidly between them is one of the clearest markers of C1 mastery, because the choice is not a matter of grammatical correctness but of stylistic fit — which form suits which context.
Verbalstil builds the sentence around a finite verb, linking a main clause and a subordinate clause with a connector such as wenn, weil, or obwohl, as in Wenn die Preise steigen, sinkt der Konsum. This form is the most natural in everyday speech and dialogue, because it keeps the temporal and causal sequence of events explicit and easy to follow in real time.
Nominalstil replaces the entire subordinate clause with a single noun phrase introduced by an appropriate preposition (bei, durch, nach, trotz, wegen, vor...), so the sentence above becomes Bei Preisanstieg sinkt der Konsum. The verb steigen disappears entirely, converted into the abstract noun der Anstieg (a process called nominalization), and the whole thought is compressed into one denser clause. This register dominates journalistic, scientific, and administrative German, since it packs more information into less space and gives a text the detached, objective tone expected of reports and studies.
Mechanically, the conversion follows three steps: first identify the verb to be nominalized (often by adding -ung or altering the stem, as in steigen → der Anstieg); second choose the preposition that mirrors the original connector's logical relation (wenn/als → bei, weil/da → wegen, obwohl → trotz, nachdem → nach, bevor → vor); third put the resulting noun in the case that preposition requires, dative or genitive.
The most common mistake among advanced learners is overusing Nominalstil, assuming it is inherently more sophisticated in every context, until a paragraph turns into a chain of heavy compound nouns that even native readers struggle to decode — Die Verbesserung der Qualität durch Optimierung der Prozesse instead of the far clearer Wir verbessern die Qualität, indem wir die Prozesse optimieren. Strong academic writing mixes both deliberately: Nominalstil to condense secondary ideas, and a return to Verbalstil whenever the text needs direct clarity.