| 1회차 | Unit 1 Learning and reviewing of words | 
                                                        
                                | 2회차 | Unit 2 Keeping a vocabulary notebook | 
                                                        
                                | 3회차 | Unit 3 Using a dictionary | 
                                                        
                                | 4회차 | Unit 4 Words for talking about English | 
                                                        
                                | 5회차 | Unit 5 Classroom language | 
                                                        
                                | 6회차 | Unit 6 Prefixes | 
                                                        
                                | 7회차 | Unit 7 Noun suffixes | 
                                                        
                                | 8회차 | Unit 8 Adjective suffixes | 
                                                        
                                | 9회차 | Unit 9 Nouns and verbs with the same form | 
                                                        
                                | 10회차 | Unit 10 Compound nouns | 
                                                        
                                | 11회차 | Unit 11 Compound adjectives | 
                                                        
                                | 12회차 | Unit 12 Collocations (common word partners) | 
                                                        
                                | 13회차 | Unit 13 Idioms and fixed expressions | 
                                                        
                                | 14회차 | Unit 14 Verbs or adjective + preposition | 
                                                        
                                | 15회차 | Unit 15 Preposition + noun | 
                                                        
                                | 16회차 | Unit 16 Apologies, excuses, acceptances, and thanks | 
                                                        
                                | 17회차 | Unit 17 Requests, invitations, and suggestions | 
                                                        
                                | 18회차 | Unit 18 Opinions, agreeing, and disagreeing | 
                                                        
                                | 19회차 | Unit 19 Likes, preferences, and interests | 
                                                        
                                | 20회차 | Unit 20 Greetings, farewells, and getting someone’s attention |