tests by michou56 with the online test builder (330 tests)
Ranked by: number of candidates
1. Imperative (61669 candidates)
2. Alphabet (53366 candidates)
3. Present perfect (43458 candidates)
4. Prepositions Da / Di (31296 candidates)
5. Definite articles (25875 candidates)
6. Being polite (25637 candidates)
7. Future (24189 candidates)
8. Colors (22353 candidates)
9. Present Perfect (passato prossimo): irregular verbs (21460 candidates)
10. Simple Past (passato remoto) (21129 candidates)
11. Indefinite articles (18452 candidates)
12. Relative pronouns (17412 candidates)
13. Subjunctive present (17072 candidates)
14. Age, date, time (16539 candidates)
15. C'è - ci sono (16187 candidates)
16. Present - irregular: - ire arre urre orre are (15076 candidates)
17. Definite articles (14499 candidates)
18. Pronominal verbs (14441 candidates)
19. Future: -are / -ire (14075 candidates)
20. Present: Irregular verbs (13419 candidates)