Hi there!

Here are my critiques/suggestions:

Superimposed Lines -> it looks like you often have fraying on both ends, so I would suggest slowing down and being careful where you put your pen to start drawing your line. However, this doesn't look like a problem that exists in your other assignments so it doesn't look like something you need to practice, just something to keep in mind moving forward.

Ghosted Lines & Ghosted Planes -> these look nice and straight. You start at the dot and you often hit the dot you are aiming for. My only suggestion is to continue working on accuracy so you don't overshoot the dot (something I do a LOT). For myself, I find I need to be hitting the dot exactly when ghosting at least once or twice before I attempt to draw the line. If my ghosted line overshoots, when I draw the line it definitely overshoots.

Elipses in Planes -> It looks like you drew through each elipses more than two times... perhaps four and five times sometimes. I am assuming that you draw through so many times because you see that the first or second time are not quite right and you keep drawing to correct things. I think in the long term, this will cause you to take longer to learn how to draw the ellipse correctly the first time through. I would stick with two times. That way, after drawing the ellipse, you can more easily see what went wrong right from the beginning of your line, and try to correct with the next ellipse you draw. As you go, things will get easier faster, and soon you will be drawing really amazing ellipses the first/second time through.

Elipses in Tables -> I can see you draw through a bunch of these a lot less, so that's good! I also see you do something that I see in my own work. I can draw ellipses that are tilted much more easily than straight up and down. I also have trouble drawing ellipses that are all the same size. If for some reason you did this assignment again, I would try challenging yourself to do several rows of ellipses that are all straight up and down, and are all the same size. Experiment with different sizes, and the position of your paper and hand.

Funnels -> You might consider doing one more sheet of these, only because your sheet includes just five funnels. That isn't much practice. It looks like you find the smaller sized ellipses more challenging than the big ones. I am betting it is because it is easier to use your shoulder when drawing larger ellipses, and smaller ones are harder to control while still trying to use loose gestures with your shoulder. Maybe just practice a few more smaller funnels.

Plotted Perspective -> I think you show a good understanding of what this assignment was to look like, and I don't think I have anything to suggest.

Rough Perspective -> I see a lot of lines here that show a lack of confidence.. meaning maybe you didn't draw two dots, do a bunch of ghosting, and then remember to use your shoulder to draw a confident straight line? Some of your lines are wiggly, and some of them look a bit scratchy. I think your boxes are good because they show that you understand how the unseen sides of the box should look, you understand what the vanishing points are and where the sides of the box should point to. I do not see any lines being drawn from the corners of the boxes towards the horizon line to see what vanishing point they actually hit so you can see how far off they are from the real vanishing point you were aiming for. I suggest you at least do this with a pencil so you can see your own mistakes. It really helps see patterns that can help you improve with time.... for myself I discovered that the further a box is from the vanishing point, the more mistakes I will probably make... and I am also more accurate for the two corners of the box closest to a vanishing point compared to the two furthest points on the same box.

Rotated Boxes -> This definitely confirms that you understand perspective well, and you really see your boxes as 3d shapes. You don't have any issues with grasping what vanishing points are etc. Your lines here look more confident than the lines I saw in the Rough Perspective exercise. I do see that sometimes you have corrected a line or two, so remember not to do a line a second time. If it isn't right, leave it as it is... you made the line, keep it. You can use it to learn from :)

Organic Perspective -> I think my main criticism here is again I see some hatchy hesitant lines. You really grasp the 3d nature of your boxes and you are doing great at rotating them around and playing with them. I would keep working on ghosting the lines enough that you see the perfect line before you actually draw it. Also remember to try to involve your shoulder and not tighten up. Then... just go for it, make that line and live with it. Keep working at getting that straight confident line without correcting it, stopping part way, etc. Particularly when your lines are small..