tests by hidalgo with the online test builder (933 tests)

501. Missing words (1291 candidates)
502. Personal pronouns (6690 candidates)
503. Articles (16344 candidates)
504. Missing words (1144 candidates)
505. Tenses (6829 candidates)
506. Imperative (5290 candidates)
507. Prepositions (2959 candidates)
508. Gerund (115491 candidates)
509. Find the correct word (5084 candidates)
510. Haber/hacer (3476 candidates)
511. Pretérito indefinido (44755 candidates)
512. Subjunctive present/Present (5500 candidates)
513. Participes passés irréguliers (25487 candidates)
514. Present : To have -> haber - tener (2838 candidates)
515. Quantities (5156 candidates)
516. Superlatives (9044 candidates)
517. Subjunctive (12860 candidates)
518. Por-para (25595 candidates)
519. Ser / estar : Don Quichotte (3404 candidates)
520. Imperative (2772 candidates)