Are you sure you didn't mean to submit these for official critique from uncomfortable and his TAs? If you did, there's a toggle on the submission page that you have to click.

Anyway, your work is mostly looking pretty good. Your lines are confident and smooth, and you're using the ghosting method well to add greater control to those strokes. You're doing a good job of maintaining those same principles of confidence and control into your ellipses, and the ellipses in your ellipses-in-planes aren't getting too deformed or warped in the name of accuracy. Your rough perspectiv eboxes are very well planned out, though some of your horizontals aren't quite as straight and consistent as I know you can manage (based on your lines section). For your rotated boxes, watch out for this common mistake but good job keeping the gaps narrow to avoid having to guess where to put your next lines. Lastly, your organic perspective boxes are a good start, though there's plenty of room for improvement. This exercise is just an introduction to freely rotating boxes so it's not meant to come out perfectly, so that's totally normal.