Lines: they are a bit shaky (there are also some normal You need to draw the line with confidence, which will ensure a smooth flow. Not too fast and not too slow. More practice drawing from the shoulder and you will get better results.

Ellipses: I hope you're using the ghost method. Because some of them have a wobbly outline. With the funnels, the line in the middle should divide the ellipses into symmetrical halves (i can see that you're trying).

Rough perspective: I don't think it's a big deal, but you can only use the ruler in this exercise for the frame and the horizon line. Everything else should be drawn by hand.

Read or look carefully, it will help you in the future.

And don't forget to warm up before doing the exercises and the 50% rule.

I mark the lesson as completed. Good luck with your further studies)

You can start doing 250 boxes)