LESSONS - LEVEL 4
        
      - 4.01 - The pluperfect
 - 4.02 - Verbs - changes
 - 4.03 - Diminutives
 - 4.04 - Conditional perfect
 - 4.05 - Future perfect
 - 4.06 - Past perfect subjunc.
 - 4.07 - Exclamatory words
 - 4.08 - Ordinal numbers
 - 4.09 - Possessive adjectives
 - 4.10 - Accents - tildes
 - 4.11 - Possessive pronouns
 - 4.12 - Relative pronouns
 - 4.13 - Relative - prepositions
 - 4.14 - Gerunds
 - 4.15 - Final conversation