tests by hidalgo with the online test builder (898 tests)

521. Present - Regular verbs (8688 candidates)
522. Possessive adjectives (11731 candidates)
523. Imperative no (39615 candidates)
524. Possessive adjectives (18992 candidates)
525. Missing words (1300 candidates)
526. Personal pronouns (6778 candidates)
527. Articles (16355 candidates)
528. Missing words (1157 candidates)
529. Tenses (6868 candidates)
530. Imperative (5326 candidates)
531. Prepositions (2992 candidates)
532. Gerund (118459 candidates)
533. Find the correct word (5091 candidates)
534. Haber/hacer (3520 candidates)
535. Pretérito indefinido (45503 candidates)
536. Subjunctive present/Present (5550 candidates)
537. Participes passés irréguliers (25907 candidates)
538. Present : To have -> haber - tener (2865 candidates)
539. Quantities (5189 candidates)
540. Superlatives (9117 candidates)