tests by hidalgo with the online test builder (898 tests)

501. Personal pronouns (1319 candidates)
502. Muy/Mucho (29030 candidates)
503. Pretérito indefinido / Conditional present (5297 candidates)
504. Synonyms (verbs) (12471 candidates)
505. Esta - está - ésta (19999 candidates)
506. Enclisis (9863 candidates)
507. Present - Irregular verbs (2636 candidates)
508. Present - Regular verbs (8599 candidates)
509. Possessive adjectives (11672 candidates)
510. Imperative no (39105 candidates)
511. Possessive adjectives (18952 candidates)
512. Missing words (1293 candidates)
513. Personal pronouns (6708 candidates)
514. Articles (16346 candidates)
515. Missing words (1152 candidates)
516. Tenses (6845 candidates)
517. Imperative (5302 candidates)
518. Prepositions (2975 candidates)
519. Gerund (115864 candidates)
520. Find the correct word (5087 candidates)