So here is the new grammar for unit 6: The reported speech.
*** The reason why some tenses (past perfect) or modals (should) have not been included in this chart is that they do not change.
One important thing you need to keep in mind is that requests, commands and invitations will change in a different way... check it out in the videos. I am leaving here a brief visual support.
BASIC MATERIAL
CHALLENGE MATERIAL
PART II
PART III
PART IV