Hi, I'm Salty and I'm a TA with DrawABox, I'll be handling your Lesson 1 Critique.

Lines:

There's some wobbling happening on some of these lines could mean you weren't executing your lines with as much confidence as you've shown with the shorter lines; this could be from not drawing from the shoulder all the way across or slowing down during the mark and letting your mind steer the stroke which is what we want to try and avoid.

Some wobbling is also present in the ghosted planes. From the moment you start executing the stroke, focus only on the end point and draw confidently as explained further here

Ellipses:

There are some uneven ellipses in your Table of Ellipses exercise. A confident execution leads to an evenly shaped ellipse, whereas hesitation leads to wobbling and uneven shapes just as it does for our lines explained here

As for the ellipses in planes, just refer to the above and remember it for the next time you do the exercise.

Perspective:

A couple of times your verticals aren't perpendicular to the Horizon Line, just be sure you are lining up your ruler correctly before executing in the future.

Your rough exercise seems to show you're rushing at making your marks rather than carefully analysing your next path. The same goes for your Organic Perspective Exercise, with your hatching in particular. If you put a mark down, that mark deserves to be given as much time as you require to execute it to the best of your current ability explained here

In the future, I'd suggest you just take more time in your approach and not rush things so much.