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

861. Conjugaison irrégulière (1413 candidates)
862. Enclisis (1528 candidates)
863. Participes passés irréguliers (4304 candidates)
864. Deber / deber de (9758 candidates)
865. Prepositions (3109 candidates)
866. Future - irregular verbs (16378 candidates)
867. Quantity : mucho/poco (3309 candidates)
868. Gran / Grande? (3313 candidates)
869. Subjunctive present (30232 candidates)
870. Before/in front of... (2872 candidates)
871. Passé composé (18184 candidates)
872. Pretérito indefinido (10187 candidates)
873. Infinitive of verbs (1919 candidates)
874. Grammaire :Les pronoms relatifs (14069 candidates)
875. Proverbes : retrouvez la suite logique (2614 candidates)
876. Prepositions (5448 candidates)
877. Frequent mistakes (1126 candidates)
878. Never / ever (8524 candidates)
879. As / like/ how (20453 candidates)
880. Across / through (13939 candidates)