tests by hidalgo with the online test builder (949 tests)

501. From another tense to present tense (1800 candidates)
502. Gérondif ou participe passé (10021 candidates)
503. #el que#lo que (4885 candidates)
504. Diminutive words (4328 candidates)
505. Simple past - irregular verbs (70325 candidates)
506. Personal pronouns (1319 candidates)
507. Muy/Mucho (29229 candidates)
508. Pretérito indefinido / Conditional present (5304 candidates)
509. Synonyms (verbs) (12476 candidates)
510. Esta - está - ésta (20210 candidates)
511. Enclisis (9879 candidates)
512. Present - Irregular verbs (2640 candidates)
513. Present - Regular verbs (8644 candidates)
514. Possessive adjectives (11695 candidates)
515. Imperative no (39262 candidates)
516. Possessive adjectives (18970 candidates)
517. Missing words (1296 candidates)
518. Personal pronouns (6733 candidates)
519. Articles (16348 candidates)
520. Missing words (1155 candidates)