Lesson 4: Moving Forward – Part 1 Home > Lesson 4: Moving Forward – Part 1 Unit 4.1 Why move forward? Unit 4.2 The 8 voiced and unvoiced consonant pairs Unit 4.3 Frequency of consonant sounds moving forward Unit 4.4 z / s Unit 4.5 d / t Unit 4.6 g / k Unit 4.7 v / f