tests by flori10 with the online test builder (37 tests)
Ranked by: number of candidates
1. Preterite (regular verbs and irregular verbs) (1180 candidates)
2. Imperfect (929 candidates)
3. Ser or estar (875 candidates)
4. Present (805 candidates)
5. Por or Para (648 candidates)
6. Direct and indirect pronouns (522 candidates)
7. Present perfect: irregular verbs (499 candidates)
8. Imperative mood (affirmative and negative commands) (464 candidates)
9. Subjunctive (regular and irregular verbs) (461 candidates)
10. Family relationships (460 candidates)
11. Prepositions (429 candidates)
12. Present subjunctive (409 candidates)
13. Todavía or ya (390 candidates)
14. "Antes" or "Después" (379 candidates)
15. Tan, tanto/-a/-os/-as (376 candidates)
16. Reflexive pronouns (367 candidates)
17. Antonyms (355 candidates)
18. Present tense (316 candidates)
19. If clauses (unreal conditional sentences) (299 candidates)
20. Indicative or subjunctive (291 candidates)