tests by tati71 with the online test builder (174 tests)
Ranked by: number of candidates
1. Declension : Epithet adjectives with definite articles (34501 candidates)
2. Imperative (28435 candidates)
3. Infinitive (ohne zu, um zu, anstatt zu) (26743 candidates)
4. Aus, von - choose (20119 candidates)
5. Declension : Epithet adjectives (19932 candidates)
6. Passive voice (18572 candidates)
7. Questions (wie, wo, was...) (18361 candidates)
8. Adjectives (17148 candidates)
9. In / nach (16317 candidates)
10. Job interview (15137 candidates)
11. Trotz / wegen (15115 candidates)
12. Simple past/Imperfekt: Modals (14563 candidates)
13. Conjunctions : dass / weil (14507 candidates)
14. Pluperfect (11804 candidates)
15. Reflexive pronouns (10728 candidates)
16. Present : Dürfen/Können (10185 candidates)
17. Comparisons (10180 candidates)
18. Prepositions : bei / zu (10115 candidates)
19. Personal pronouns (8907 candidates)
20. Conjunctions (8840 candidates)