Chapter 24 - I forgot about it

"Ex" has suddenly disappeared. Grammar unit: No new grammar in this lesson 

Andreas, Dr. Thürmann and Frau Berger are planning a boat trip. Grammar unit: verbs which take a direct and an indirect object 

An old friend on the telephone. Grammar unit: The perfect tense of separable verbs 

到医院探访蒂尔曼博士... 语法：不可分动词的现在完成时 

Dr. Thürmann tells the story of a famous building. Grammar unit: Declension of adjectives (II) 

Dr. Thürmann arrives at Hotel Europa. Grammar units: additional forms of the verb sein 

Herr Thürmann has a job for Andreas in Berlin. Grammar unit: Separable verbs 

Herr Thürmann tiene un trabajo en Berlín para Andreas. Lección de gramática: verbos separables 

Dr. Thürmann explains his newest project to Andreas. Grammar unit: Verbs with prepositional constructions 

In Leipzig: Andreas besucht Dr. Thürmann. Grammatikkapitel: Reflexive Verben (II) 

Dr. Thürmann wundert sich über Andreas´ Manieren... Grammatikkapitel: Verbkonjugation (I) 

The story of a brave rescue. Grammar unit: Relative clauses 

O senhor Thürmann dá uma tarefa para Andreas cumprir em Berlim... Conteúdo gramatical: verbos separáveis