Beginner
Complete beginner, starting from zero
Elementary, Elementary 2. elementary 3
Continuation of the beginner course
Pre-Intermediate, Pre-Intermediate 2, pre-intermediate 3
Continuation of the elementary course
Intermediate, Intermediate 2, intermediate 3
Continuation of the Pre-Intermediate course
Upper-Intermediate, Upper-Intermediate 2, upper-intermediate 3
Continuation of the Intermediate course
Advanced, Advanced 2, Advanced 3
Continuation of the Upper-Intermediate course