Welcome to drawabox. Let’s take this one exercise at a time.

Your superimposed lines look solid, but they’ll sometimes start off wobbly. Try not to overthink them. Trust the built-up motion, rather than spending so long on the lining up phase that you lose that rhythm. Outside of that occasional exception, they’re smooth, properly lined up at the start, and of a consistent trajectory- nicely done. The ghosted lines/planes have a similar issue, in that there’s some visible hesitation on them, so continue pushing for them to be confident. You’re on the right track, however, so don’t stress.

The ellipses seem to start off a little stiff, before stabilizing in a following rotation. Remember that you’re meant to ghost an ellipse until comfortable with the built-up motion, then commit. If you do so any earlier, it’ll be apparent in your linework. Also, even if you are ready, if you’re at all concerned with a mark’s accuracy, as you’re drawing it, its confidence will suffer. So: ghost properly, and, when you commit, focus on confidence, and nothing else. By that point, the accuracy is set in stone. Ultimately, a confident ellipse is ‘correct’, regardless of how inaccurate it is, whereas a stiff/wobbly one is incorrect, regardless of how accurate. The ellipses in planes look a little better in this respect, though they’re not quite there yet, either, so be mindful of your priorities, next time. Save for that, the funnels look solid; your ellipses there are snug, and properly cut in half by their respective axes.

The plotted perspective exercise looks clean- nicely done.

The rough perspective exercise is mostly good. Looking at the correction lines, it’s clear that you’re taking your time, planning each point, but the line quality seems to have been a bit of an afterthought. Remember to do your best on each aspect of each exercise.

Solid attempt at the rotated boxes exercise. You’ve seen it through to the end, to the best of your ability. The boxes do a good job of rotating, though, as you get further from the center, they’re not quite as snug as we’d like them, and a few of them haven’t been drawn through completely. This is understandable, however. Still, try not to get too overwhelmed by the big picture, if you can. Think of it as nothing more than a set of lines, that you handle one at a time.

The organic perspective exercise is definitely a little rushed, but it shows a good understanding of the concepts, what with the boxes properly increasing in size, and maintaining a consistent, shallow foreshortening. Please, though, take your time on each exercise. You’re not helping yourself by rushing.