Unit 4, 5, 6, 7 and 8. U4: Grammar; Present Perfect Simple and Continuous with for and since. Vocabulary; Words connected with music. U5 : Grammar; First conditional with if, unless, provided that, as long as. Future time clauses with when, until, as soon as, by the time, before. Vocabulary: Landscape and natural enviroment, extreme weather and natural desasters. U6: Grammar; Second conditional with would, might, could. Wish/if only + past simple. Vocabulary : Transitive phrasal verbs. U7: Grammar: Reported statements and questions, clausses and linkers of contrast. Vocabulary : Relationship words and phrases. U8: Grammar; such a/an + adjective + noun (that ...). Be able to. Vocabulary; Adjectives of emotion and Prasal verbs with in.