Because English is such a flowery/waffley subject you never know if you're on the right track and that's what I hate!
Common and entirely incorrect perception. First and foremost, aiming to be "on the right track" is a mug's game - because there IS no right track. You get good scores by coming up with reasonable arguments and backing them up with reasonable analysis. There is no "wrong" except for when you argue something shittily/make assertions that you don't then substantiate in a clear, logical manner.
If you have a look at the best students' essays, you will find that they do not partake of either flowers or waffles. Both such commodities are a great way to waste time in exams and get yourself sunk faster than the Titanic teleported into a fleet of U-Boats.
Treat a subject with contempt, and it'll return the favour.
Send practice essays to your teacher. I'm sure they would be willing to give to constructive feedback on what you should work on.
+1
And remember that the more you write, the easier it gets. Expression becomes more fluent, you get faster at calling up the most appropriate techniques or evidence, your arguments gain more nuance. But that requires you to persevere and keep incorporating useful feedback on your work. It's simple but not easy. If it were easy, everyone would be doing it.