tests by hidalgo with the online test builder (911 tests)

501. Animals (13638 candidates)
502. Vocabulary : At school (21041 candidates)
503. Enclise (l') (39725 candidates)
504. Likes (1833 candidates)
505. Pretérito indefinido / Pretérito imperfecto (20862 candidates)
506. Haber/tener (present) (3861 candidates)
507. Pretérito indefinido: irregular verbs (8372 candidates)
508. Plural (4222 candidates)
509. Tanto (8903 candidates)
510. From another tense to present tense (1800 candidates)
511. Gérondif ou participe passé (10077 candidates)
512. #el que#lo que (4892 candidates)
513. Diminutive words (4345 candidates)
514. Simple past - irregular verbs (70677 candidates)
515. Personal pronouns (1328 candidates)
516. Muy/Mucho (29366 candidates)
517. Pretérito indefinido / Conditional present (5314 candidates)
518. Synonyms (verbs) (12483 candidates)
519. Esta - está - ésta (20326 candidates)
520. Enclisis (9901 candidates)