tests by hidalgo with the online test builder (976 tests)

521. Enclise (l') (40105 candidates)
522. Likes (1836 candidates)
523. Pretérito indefinido / Pretérito imperfecto (21360 candidates)
524. Haber/tener (present) (3878 candidates)
525. Pretérito indefinido: irregular verbs (8406 candidates)
526. Plural (4225 candidates)
527. Tanto (8931 candidates)
528. From another tense to present tense (1803 candidates)
529. Gérondif ou participe passé (10240 candidates)
530. #el que#lo que (4915 candidates)
531. Diminutive words (4373 candidates)
532. Simple past - irregular verbs (71637 candidates)
533. Personal pronouns (1330 candidates)
534. Muy/Mucho (29596 candidates)
535. Pretérito indefinido / Conditional present (5326 candidates)
536. Synonyms (verbs) (12494 candidates)
537. Esta - está - ésta (20524 candidates)
538. Enclisis (9955 candidates)
539. Present - Irregular verbs (2643 candidates)
540. Present - Regular verbs (8696 candidates)