materias para estudar

• inversion
• adverbs
• prepositions
• gerund X infinitive
• relative pronouns
• passive voice
• conjunctions
• nouns (unit 23)
• place and movement, prepositional phrases (unit 29)
• organizing texts 1, 2, 3 (units 40 - 42)
• phrasal verbs (units 37 - 39)