When to use nicht vs kein in German — the difference, the declension of kein, where nicht goes in a sentence, and a one-second test to always pick the right one.

When to use the Perfekt vs the Präteritum in German, how to build the past participle, and when to use haben or sein — with clear tables, examples and a simple rule of thumb.

Learn the six German modal verbs — können, müssen, dürfen, sollen, wollen, mögen — with a full conjugation table, the modal-second sentence pattern, and mögen vs möchte explained.

Understand German word order and sentence structure — the verb-second rule, Time-Manner-Place, subordinate clauses, the verb bracket, questions and commands — with clear examples.

A clear guide to German prepositions and the cases they take — accusative, dative, two-way (Wechselpräpositionen) and genitive — with tables, examples and the wohin/wo rule.