tests by hidalgo with the online test builder (932 tests)

481. Pretérito indefinido: irregular verbs (8265 candidates)
482. Plural (4200 candidates)
483. Tanto (8797 candidates)
484. From another tense to present tense (1792 candidates)
485. Gérondif ou participe passé (9873 candidates)
486. #el que#lo que (4845 candidates)
487. Diminutive words (4305 candidates)
488. Simple past - irregular verbs (69330 candidates)
489. Personal pronouns (1315 candidates)
490. Muy/Mucho (28673 candidates)
491. Pretérito indefinido / Conditional present (5251 candidates)
492. Synonyms (verbs) (12450 candidates)
493. Esta - está - ésta (19527 candidates)
494. Enclisis (9832 candidates)
495. Present - Irregular verbs (2628 candidates)
496. Present - Regular verbs (8565 candidates)
497. Possessive adjectives (11619 candidates)
498. Imperative no (38790 candidates)
499. Possessive adjectives (18908 candidates)
500. Missing words (1277 candidates)