This series of exercises should be thoroughly worked through BEFORE you embark on Module 2. It has namely proven that the cocktail of a new verbal mood plus a rather complicated sound rule offered to you in lesson 1 has been quite a mouthful for many of you.
Therefore you now get an extra lesson without new words but with three important morphemes all of which contain the said sound rule. I am confident that lesson 1 will be much more manageable when you face it with the sound rule already acquired.
Do so: