Hello Pammers! I looked at your homework and noticed a couple of things that you could work on, so let's go through them in sections. ( Also, it is okay that you used a ballpoint pen, but it is recommended that you get a fine liner asap)

To start off, your lines are quite wobbly and this is repeated throughout your homework. However, in the last exercise I can see that you made progress, so this is not a problem.

I'd like to point out the Superimposed lines exercise where your lines were also arching and in certain areas there is fraying on both ends.

Another thing that I should mention is that you should focus on confidence over accuracy because it costed you a couple of times in the Ghosted lines exercise.

Moving on, let's talk about your ellipses :

So in these exercises what you should pay attention to is spacing between your ellipses.

Other than that, about Ellipses in planes I see that you didn't always draw through the ellipses 2~3 times, as well as that your ellipses tend to deform in a couple of areas.

Besides that I should mention Funnels exercise in which you haven't used the advised equipment and as a result the minor axis isn't cutting the ellipses in two symmetrical halves.

Lastly, let's go over your boxes :

Starting off, issue in Plotted perspective is drawing the lines free hand ( even though it is clearly mentioned in the instructions to use a ruler) . Also, I should mention that you didn't have to do hatching on the faces of the boxes since it was optional and doing this just made your work look messy.

In the next exercise Rough Perspective width lines should be parallel to horizon and height lines perpendicular to horizon. On some occasions you drew lines twice (which you shouldn't) , so watch out for that in the future.

To sum up, the major issues in your homework were about the lines. I can see that you eventually worked on them and ( more importantly) grasped the content well. Just make sure not to rush and to take breaks! Hopefully this critique will be useful to you. I will mark this lesson as complete and I'm glad that you submitted your work! ^^