tests by hidalgo with the online test builder (1045 tests)

101. Diacritical accent (186 candidates)
102. Paronyms (151 candidates)
103. Prepositions (446 candidates)
104. Present tense (irregular verbs) (620 candidates)
105. Ser o Estar (372 candidates)
106. Past simple (irregular verbs) (995 candidates)
107. Pronouns (769 candidates)
108. Prepositions (698 candidates)
109. Temporal clauses (indicative or subjunctive) ? (331 candidates)
110. Antonyms (270 candidates)
111. Present subjunctive (irregular verbs) (343 candidates)
112. Colours (287 candidates)
113. Imperfect or preterit (670 candidates)
114. Preterite (594 candidates)
115. Interrogatives (429 candidates)
116. Possessive adjectives (507 candidates)
117. Locutions and correct prepositions (337 candidates)
118. Prepositions (373 candidates)
119. Present tense (diphthong verbs) (1449 candidates)
120. Logical answer (724 candidates)