21.
Present => Preterite (Presente => Pretérito indefinido) (189 candidates) 

22.
Très, beaucoup (muy/mucho) (221 candidates) 
23.
Numbers (347 candidates)
24.
Imperative (128 candidates) 
25.
Gerund (176 candidates) 
26.
Present tense (481 candidates)
27.
Past participles (irregular) (238 candidates)
28.
Ser or Estar and right tense (381 candidates) 
29.
Por or Para (383 candidates) 
30.
Gender of nouns (403 candidates)
31.
Present perfect (523 candidates) 
32.
Diacritical accent (143 candidates) 
33.
Paronyms (117 candidates) 
34.
Prepositions (393 candidates)
35.
Present tense (irregular verbs) (511 candidates)
36.
Ser o Estar (287 candidates) 
37.
Past simple (irregular verbs) (902 candidates)
38.
Pronouns (77 candidates)
[Being reviewed]39.
Prepositions (653 candidates) 
40.
Temporal clauses (indicative or subjunctive) ? (233 candidates) 
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