tests by hidalgo with the online test builder (927 tests)

501. Linking words (13994 candidates)
502. Impératif affirmatif (18541 candidates)
503. DES- / IN- (4382 candidates)
504. Animals (13678 candidates)
505. Vocabulary : At school (21179 candidates)
506. Enclise (l') (39956 candidates)
507. Likes (1835 candidates)
508. Pretérito indefinido / Pretérito imperfecto (21072 candidates)
509. Haber/tener (present) (3866 candidates)
510. Pretérito indefinido: irregular verbs (8389 candidates)
511. Plural (4223 candidates)
512. Tanto (8916 candidates)
513. From another tense to present tense (1800 candidates)
514. Gérondif ou participe passé (10116 candidates)
515. #el que#lo que (4898 candidates)
516. Diminutive words (4366 candidates)
517. Simple past - irregular verbs (71172 candidates)
518. Personal pronouns (1330 candidates)
519. Muy/Mucho (29484 candidates)
520. Pretérito indefinido / Conditional present (5318 candidates)