Am I using comparatives and superlatives correctly in these sentences?

Question

•When I started school, my writing skills were limited, now I have more knowledge on how to write correctly.
•I have not had the easiest time understanding certain materials.
•It seemed to me that I was the most unpracticed in writing then the other classmates.
•Since, Raul is the best in class when it comes to writing; she helps me with my homework.
•I have learned that taking notes help me understand the material better than just listening to the professor.
•Learning how to use commas was the worst of all the punctuations.
•In class, I have learned the proper way to use punctuation, sentence structure, and writing a paragraph, which has made me a smarter writer.
•I will try to use more intelligent wording when writing.

Answer 1

Yes, you've used comparatives and superlatives correctly.

However, you've made some other errors.

•When I started school, my writing skills were limited, now I have more knowledge on how to write correctly.
You need a semi-colon, not a comma, after "limited.

•It seemed to me that I was the most unpracticed in writing then the other classmates.
You need "than," not "then."

•Since, Raul is the best in class when it comes to writing; she helps me with my homework.
No comma after "since."
A comma, not a semi-colon, is needed after "writing."