tests by michou56 with the online test builder (330 tests)
Ranked by: number of candidates
1. Imperative (61817 candidates)
2. Alphabet (53749 candidates)
3. Present perfect (43512 candidates)
4. Prepositions Da / Di (31356 candidates)
5. Definite articles (25952 candidates)
6. Being polite (25667 candidates)
7. Future (24230 candidates)
8. Colors (22393 candidates)
9. Present Perfect (passato prossimo): irregular verbs (21529 candidates)
10. Simple Past (passato remoto) (21165 candidates)
11. Indefinite articles (18482 candidates)
12. Relative pronouns (17434 candidates)
13. Subjunctive present (17121 candidates)
14. Age, date, time (16605 candidates)
15. C'è - ci sono (16192 candidates)
16. Present - irregular: - ire arre urre orre are (15109 candidates)
17. Definite articles (14531 candidates)
18. Pronominal verbs (14493 candidates)
19. Future: -are / -ire (14117 candidates)
20. Present: Irregular verbs (13462 candidates)