This table contains the most important rules about using prepositions about traveling in German. (Präpositionen - Reisen, Woher? Wo? Wohin?)
Everything in German!
This Excel file contains all the german clauses, conjunctions with sample sentences. You can also find a sentence-transformation exercise for students in it.
This document summarizes everything you need to know about passive voice - Vorgangspassiv, Zustandspassiv, Passiv mit Modalverben. Exercise for students with key.