This unit is the first unit of a series of modules in a Canvas grammar course for ESL beginner learners. The materials are designed for classroom use or for self- study. The materials are appropriate for all ages, but they were initially designed for ESL adult learners.This unit is organized in the following format: First, students take a diagnostic test to become aware of what they already know and what not;Then, they learn / review the rules through two interactive presentations;After that, th