tests by hidalgo with the online test builder (899 tests)

501. Missing words (1289 candidates)
502. Personal pronouns (6688 candidates)
503. Articles (16344 candidates)
504. Missing words (1144 candidates)
505. Tenses (6828 candidates)
506. Imperative (5289 candidates)
507. Prepositions (2958 candidates)
508. Gerund (115484 candidates)
509. Find the correct word (5084 candidates)
510. Haber/hacer (3474 candidates)
511. Pretérito indefinido (44748 candidates)
512. Subjunctive present/Present (5500 candidates)
513. Participes passés irréguliers (25475 candidates)
514. Present : To have -> haber - tener (2837 candidates)
515. Quantities (5153 candidates)
516. Superlatives (9041 candidates)
517. Subjunctive (12857 candidates)
518. Por-para (25591 candidates)
519. Ser / estar : Don Quichotte (3404 candidates)
520. Imperative (2772 candidates)