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

521. From another tense to present tense (1803 candidates)
522. Gérondif ou participe passé (10217 candidates)
523. #el que#lo que (4904 candidates)
524. Diminutive words (4370 candidates)
525. Simple past - irregular verbs (71459 candidates)
526. Personal pronouns (1330 candidates)
527. Muy/Mucho (29559 candidates)
528. Pretérito indefinido / Conditional present (5323 candidates)
529. Synonyms (verbs) (12490 candidates)
530. Esta - está - ésta (20467 candidates)
531. Enclisis (9955 candidates)
532. Present - Irregular verbs (2643 candidates)
533. Present - Regular verbs (8696 candidates)
534. Possessive adjectives (11751 candidates)
535. Imperative no (39954 candidates)
536. Possessive adjectives (19002 candidates)
537. Missing words (1300 candidates)
538. Personal pronouns (6800 candidates)
539. Articles (16363 candidates)
540. Missing words (1158 candidates)