1.
Past participles (irregular) (1 candidate)
[Being reviewed]2.
Ser or Estar and right tense (80 candidates) 
3.
Por or Para (117 candidates) 
4.
Gender of nouns (202 candidates)
5.
Present perfect (199 candidates) 
6.
Diacritical accent (91 candidates) 
7.
Paronyms (78 candidates) 
8.
Prepositions (290 candidates)
9.
Present tense (irregular verbs) (377 candidates)
10.
Ser o Estar (224 candidates) 
11.
Past simple (irregular verbs) (635 candidates)
12.
Pronouns (27 candidates)
[Being reviewed]13.
Prepositions (548 candidates) 
14.
Temporal clauses (indicative or subjunctive) ? (151 candidates) 
15.
Antonyms (165 candidates) 
16.
Present subjunctive (irregular verbs) (156 candidates) 
17.
Colours (157 candidates) 
18.
Imperfect or preterit (311 candidates) 
19.
Preterite (413 candidates)
20.
Interrogatives (317 candidates)
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