Free German grammar checker for cases, word order, and verb position

English keeps subject-verb-object order almost everywhere, so English speakers naturally write “Heute ich habe keine Zeit” or “weil ich muss arbeiten”. In German, the conjugated verb acts like a structural hinge: it sits in second position in any declarative main clause (even when a time phrase or object comes first) and moves all the way to the end after subordinating conjunctions like dass, weil, obwohl, and wenn.

When you paste a sentence into the German grammar checker above, the word-level diff shows you exactly where a displaced verb, separable prefix, or past participle needs to move—without rewriting the rest of your vocabulary.

Even when your word order is right, choosing between den and dem, meinen and meinem, or mir and mich takes constant feedback. Prepositions like mit, nach, bei, seit, von, zu, and aus always demand the dative case, while two-way prepositions (in, an, auf, über, unter, vor, hinter, neben, zwischen) switch between accusative for movement toward a destination and dative for static location.

The checker also respects German capitalization rules—flagging lowercase nouns (“das essen” vs. “das Essen”) or polite pronoun casing (“Sie” vs. “sie”) and explaining the exact gender and case governing each article.