tests by hidalgo with the online test builder (911 tests)

521. Possessive adjectives (18980 candidates)
522. Missing words (1297 candidates)
523. Personal pronouns (6758 candidates)
524. Articles (16352 candidates)
525. Missing words (1157 candidates)
526. Tenses (6862 candidates)
527. Imperative (5316 candidates)
528. Prepositions (2980 candidates)
529. Gerund (117675 candidates)
530. Find the correct word (5090 candidates)
531. Haber/hacer (3509 candidates)
532. Pretérito indefinido (45245 candidates)
533. Subjunctive present/Present (5541 candidates)
534. Participes passés irréguliers (25822 candidates)
535. Present : To have -> haber - tener (2860 candidates)
536. Quantities (5177 candidates)
537. Superlatives (9097 candidates)
538. Subjunctive (12978 candidates)
539. Por-para (25784 candidates)
540. Ser / estar : Don Quichotte (3415 candidates)