Nice work! You want to separate the shapes into 5 even values for this exercise. I like how you drew the face so I tried to keep the same shapes. Just cleaned it up a bit. Hope this helps. Keep it up!

I would suggest trying out a light lay-in sketch first, where you focus on the bigger shapes that make up the subject (e.g. the rectangular boots, circle for the head, etc.) so it can give you more of a guide to follow. So here for example, you could check if the torso is about the same size + distance from the boots and head, if the legs are at the same angle, or if the hand is landing at the correct spot. That way, you can catch and fix any mistakes early on, and it makes diving into the sketch much more manageable as well.

These are actually nice gestural lines. It's just the relation between lines that you're missing. You could try mapping things out more slowly and keeping an eye on how each line relates to others you put down. Overall though, these are nice loose lines, they just need to be reined in a bit.

Good on you for attempting Level 1 and Level 2! I think that your shading could be better: more even, and greater distinction between shades.