Under the notes you can see the names of the chords being used. At the bottom of the exercise I put the Bb major scale with scale degree numbers and the notes of the T, S, and D chords for your convenience.
Here is the PDF file for printing.
OPTIONAL: If you want, you can transpose this exercise to C major and D major.
Don't forget to play it on your instrument.
Enjoy it but most importanly, I hope you will do something with it.