【德語學習】逼自己一次性啃完語法知識點，捋順德語語法體系！刷完你就牛了！ P20 - Learn German Past Tense Easily Haben & Sein in the Imperfect (A1–A2)

This lesson explains how to use the imperfect tense (simple past) with the essential German verbs *haben* (to have) and *sein* (to be). It covers the distinction between the imperfect and perfect tenses, provides conjugation rules for both verbs, and offers practical examples to illustrate their usage in sentences.