| 
Grammar | 
                    |  | Articles "a/an and the" | 
                    | - | Use of Articles "a/an and the" | 
                    |  | Sentence | 
                    |  | Sentence, Subject, Predicate, Object | 
                    |  | Kinds of Sentences        (According to function) | 
                    |  | The Phrase and The Clause -  Comparison | 
                    |  | Clause | 
                    |  | Types of Clauses | 
                    | - | Main Clause and Subordinate Clause | 
                    |  | Types of Subordinate Clause | 
                    | - | Noun Clause, Adjective Clause, Adverb Clause | 
                    |  | Phrase | 
                    |  | Types of Phrase | 
                    | - | Noun Phrase, Adjective Phrase, Adverb Phrase, Verb Phrase, Gerund Phrase | 
                    | - | Infinitive Phrase, Participle Phrase. | 
                    |  | Kinds of Sentences         (According to structure) |