Unit 1:Basic Rules For Subject And Verb Agreement Unit 2:Basic English Sentence Structures Unit 3:Tenses Unit 4:Subordination Unit 5:Comparison Unit 6:Pronouns Unit 7:Adjectives Unit 8:Articles Unit 9:Adverbs And Adverbials Unit 10:Prepositions Unit 11:The Verbals Unit 12:The Subjunctive Mood Unit 13:Causative And Perceptive Unit 14:Parallel Structures Unit 15:Word Order And Word Form Unit 16:Redundancy,Negation And Agreement Unit 17:Substitution And Omission Unit 18:Interrogation of Special types Unit 19:Some Confusing Verbs Unit 20:Special Use And Usage