1-6: Punctuation is either missing or unnecessarily included. For punctuation information, visit https://owl.english.purdue.edu/owl/resource/566/01/
11: Self-explanatory.
12: Homophones are words that sound the same but are spelled differently, like “there,” their,” and “they’re.” For a list of homphones, see https://owl.english.purdue.edu/engagement/2/1/48/
13-15: Self-explanatory.
21: This word doesn’t make sense in or isn’t appropriate for the context.
22: A word is missing to make this a complete thought or sentence.
23: Possessive nouns indicate ownership, such as “the flower’s petals” or “the students’ chairs.” Plural nouns never have an apostrophe before or after the “s.” (“The many flowers” or “the responsible students.”) Here is a lesson on possessive and plural nouns: http://www.darton.edu/programs/Humanities/writing/pdfs/OWC/Grammar/Punctuation/Plural_vs_Possessive.pdf
24: This word is singular and should be plural, or vice-versus.
25: It is unclear to what or whom this pronoun is referring.
26: A punchier verb would make the sentence sturdier. For a list of great verbs, see http://www.owlnet.rice.edu/~cainproj/writingtips/preciseverbs.html
27: The verb tense shifted from one sentence or thought to the next. For help with verb usage, visit https://owl.english.purdue.edu/owl/resource/601/01/
28: This word is not necessary, either due to a typo or wordiness.
31: A modified version of this sentence or phrase would be clearer and easier to read. Here is some guidance for concise writing: https://writing.wisc.edu/Handbook/CCS_wordyphrases.html https://owl.english.purdue.edu/exercises/6/9/24
32: This word or phrase has been used too frequently. Try restructuring your sentence or using a different word to make your paper more readable.