Materi yang dibahas dalam buku ini : Unit 1 Articles Unit 2 Inttroduction it Unit 3 Parts of speech Unit 4 To be Unit 5 Tenses Unit 6 Question words Unit 7 Modals – auxiliaries Unit 8 Gerund and infinitive Unit 9 Participle Unit 10 Active and passive voice Unit 11 Direct and indirect speech Unit 12 Causative have and get Unit 13 Conditional senten…