tests by hidalgo with the online test builder (658 tests)
Ranked by: number of candidates
101. Infinitive or subjunctive (16900 candidates)
102. Questions (16888 candidates)
103. Future - irregular verbs (16506 candidates)
104. Articles (16367 candidates)
105. Past simple (16285 candidates)
106. Cuya, entre los cuales, de quien... (16002 candidates)
107. Linking words (15982 candidates)
108. Imperative (15812 candidates)
109. Gustar (15776 candidates)
110. Putting the emphasis (15499 candidates)
111. Articles (15134 candidates)
112. Sino/si no (15020 candidates)
113. Questions: adverbs (14873 candidates)
114. A / EN (14849 candidates)
115. Subjunctive (14846 candidates)
116. Relative pronouns (14840 candidates)
117. Putting the emphasis (14833 candidates)
118. Indefinite preterit (14439 candidates)
119. POR / PARA (14332 candidates)
120. Imperative (14306 candidates)