tests by hidalgo with the online test builder (897 tests)

501. Animals (13669 candidates)
502. Vocabulary : At school (21157 candidates)
503. Enclise (l') (39888 candidates)
504. Likes (1834 candidates)
505. Pretérito indefinido / Pretérito imperfecto (21036 candidates)
506. Haber/tener (present) (3864 candidates)
507. Pretérito indefinido: irregular verbs (8384 candidates)
508. Plural (4223 candidates)
509. Tanto (8915 candidates)
510. From another tense to present tense (1800 candidates)
511. Gérondif ou participe passé (10105 candidates)
512. #el que#lo que (4897 candidates)
513. Diminutive words (4363 candidates)
514. Simple past - irregular verbs (71078 candidates)
515. Personal pronouns (1330 candidates)
516. Muy/Mucho (29461 candidates)
517. Pretérito indefinido / Conditional present (5316 candidates)
518. Synonyms (verbs) (12485 candidates)
519. Esta - está - ésta (20398 candidates)
520. Enclisis (9937 candidates)