Unit 1 Articles and Nouns
Unit 2 Countable / Uncountable Nouns and Quantifiers
Unit 3 Partitives
Unit 4 Reflexive and Indefinite Pronouns
Unit 5 Possessives and Whose
Checkup 1

Unit 6 Sentence Parts : Subject, Verb, and Complement
Unit 7 Sentence Patterns
Unit 8 Comparatives : Adjectives and Adverbs
Unit 9 Superlatives : Adjectives and Adverbs
Unit 10 The Present Simple Tense
Checkup 2

Unit 11 The Present Continuous Tense
Unit 12 The Future Simple Tense
Unit 13 The Past Simple Tense
Unit 14 The Past Continuous Tense
Unit 15 The Past Tense with When / While
Checkup 3

Unit 16 Gerunds
Unit 17 Infinitives
Unit 18 Prepositions
Unit 19 Coordinating Conjunctions
Unit 20 Subordinating Conjunctions
Checkup 4