1. Adjective endings

2. Cardinal numbers

3. Cases: nominative, accusative, dative & genitive

4. Comparative & superlative

5. Conjunctions

6. Future tense

7. Indirect questions

8. Modal verbs

9. Nouns

9.1 Gender of nouns

9.2 Plural forms of nouns

9.3 Weak nouns

10. Passive voice

11. Perfect tense

12. Personal pronouns

13. Possessive articles

14. Reflexive pronouns & reflexive verbs

15. Relative clauses

16. Simple past tense

17. Subjunctive (I)

18. Subjunctive (II)

19. Two-way prepositions

20. Verbs and adjectives with prepositions