You are about to learn an incredibly efficient and fun technique to memorize the German past tenses of the most relevant German irregular verbs. You will be able to master the German Präteritum- and Perfekt-forms in less than two hours. Start right away with learning the technique, or get familiar with all theory in just a few minutes. It's up to you. Everything is explained in understandable language. After your training you can test your knowledge and find out whether you have finally mastere