tests by michou56 with the online test builder (330 tests)
Ranked by: number of candidates
1. Imperative (62104 candidates)
2. Alphabet (54222 candidates)
3. Present perfect (43628 candidates)
4. Prepositions Da / Di (31435 candidates)
5. Definite articles (26244 candidates)
6. Being polite (25735 candidates)
7. Future (24322 candidates)
8. Colors (22434 candidates)
9. Present Perfect (passato prossimo): irregular verbs (21699 candidates)
10. Simple Past (passato remoto) (21223 candidates)
11. Indefinite articles (18593 candidates)
12. Relative pronouns (17526 candidates)
13. Subjunctive present (17242 candidates)
14. Age, date, time (16647 candidates)
15. C'è - ci sono (16216 candidates)
16. Present - irregular: - ire arre urre orre are (15159 candidates)
17. Definite articles (14602 candidates)
18. Pronominal verbs (14526 candidates)
19. Future: -are / -ire (14169 candidates)
20. Present: Irregular verbs (13575 candidates)