Unit1 long vowel a Unit2 long vowel e Unit3 long vowel i Unit4 long vowel o Unit5 long vowel u Unit6 diphthong oi,oy Review Unit7 diphthong ou,ow Unit8 vowels with r:ar Unit9 vowels with r:or,oor,ore Review Unit10 vowels with r:er Unit11 vowels with r:ir Unit12 vowels with r:ur Review Review vowels with r:ar,or,oor,ore,er,ir,ur Unit13 soundsof y Unit14 sounds of u,oo Unit15 sounds of au,aw Unit16 Silent Letters Review Unit17 Noun Plural Unit18 3rd Person Singular Unit19 Present Continuous Unit20 Past Unit21 Compound Words Review Answers Word List