Unit 1 Anagrams (Rearrange letters to make new words) Unit 2 Synonyms and Antonyms Unit 3 Homophones Unit 4 Alphabetical Order Unit 5 Singular Plurals Unit 6 Past Form of Verbs Unit 7 Nouns Unit 8 Countable Uncountable Nouns Unit 9 Irregular Nouns Unit 10 Masculine, Feminine and Neuter Nouns Unit 11 Common and Proper Nouns Unit 12 Personal Pronouns Unit 13 Posessive Pronouns Unit 14 Subject Verb Agreement Unit 15 Pointing Words Unit 16 Questioning Words Unit 17 Ask and Answer Questions Unit 18 Verbs Unit 19 Be, Do and Have as Main Verbs Unit 20 Modal Verbs (can, cannot) Unit 21 Modal Verbs (may, may not) Unit 22 Be, Do, Have and Forms of Common Regular Verbs Unit 23 Simple Past Tense Unit 24 Adjectives Unit 25 Prepositions Unit 26 Conjunctions Unit 27 Subject Verb Object Unit 28 Calendars Unit 29 Letters Unit 30 Vowels Unit 31 Diphthongs Unit 32 Consonant Clusters Unit 33 Trigraphs Unit 34 Minimal Pairs Unit 35 Weak Forms