Lines are p confident in general good job! You do have some arching in your superimposed lines. To fix this, you can try arching consciously in the opposite way.

Ellipses are p confident and neat in general, and you're alligning nicely the ellipses to the axis in the funnels, good job!

On rough perspective, I can see you were struggling with keeping lines vertical and horizontal, and I can see too that you improve over the course of the two pages, good job! There's also an issue you have in boxes in general, which is repeating lines. Don't repeat a line no matter how off it was. Keep going as if it was correct.

I recommend trying more overlaps on organic perspectivel. You can clarify after the overlaps by adding a confident, drawn with the shoulder superimposed line. Perspective on them has issues but you'll work on it on the box challenge, so don't worry about it!