Writing prompt: My Favorite Place at School

Student essay:
There are many places at the school,such as library,art room,computer room,but my favourite place is our playground.
My school playground is big and beautiful,I often with classmate play basketball on the playground. After lunch,Lots of students play basketball,play football or do running and kicking shuttlecock. When I feel tired and unhappy, it is the best place to go to. After school, I spend one hour playing basketball. In PE lessons,we do running. Running makes us stronger.
So my favourite place is our playground.

Corrected essay:
There are many places at the school, such as the library, art rooms and computer rooms, but my favourite place is our playground.
My school's playground is big and beautiful. I often play basketball with classmates on the playground. After lunch, lots of students play basketball, play football, run and kick shuttlecock. When I feel tired and unhappy, it is the best place to go. After school, I spend one hour playing basketball. In PE lessons, we run. Running makes us stronger.
So my favourite place is our playground.

Error analysis:
error_sentence: There are many places at the school,such as library,art room,computer room,but my favourite place is our playground.

correct_sentence: There are many places at the school, such as the library, art rooms and computer rooms, but my favourite place is our playground.

correction: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: When listing 〈library〉, the article 『the』 is missing to specify the place; therefore, 『the』 is added before 〈library〉 to comply with basic English grammar rules regarding article usage.

error_sentence: There are many places at the school,such as library,art room,computer room,but my favourite place is our playground.

correct_sentence: There are many places at the school, such as the library, art rooms and computer rooms, but my favourite place is our playground.

error: room,computer room
correction: rooms and computer rooms
error_type: Conjunction Error
error_severity: 4
error_description: ① Noun Number Error: 〈art room〉 is a countable noun and should be in plural form when listing multiple places, so 〈room〉 is changed to 『rooms』 to conform to grammatical logic; ② Conjunction Error: According to English grammar rules, when listing items in parallel, 『and』 should connect the last two elements, so 〈,〉 is changed to 『and』 to make the sentence more fluent; ③ Noun Number Error: 〈computer room〉 is a countable noun and should be in plural form when listing multiple places, so 〈room〉 is changed to 『rooms』 to conform to grammatical logic.

error_sentence: My school playground is big and beautiful,I often with classmate play basketball on the playground.
correct_sentence: My school's playground is big and beautiful.
correction: 's
error_type: Noun Possessive Error
error_severity: 3
error_description: Noun Possessive Error: The possessive form 『's』 is needed between 〈school〉 and 〈playground〉 to indicate possession; therefore, 『's』 is added after 〈school〉 to accurately express that the playground belongs to the school.

error_sentence: My school playground is big and beautiful,I often with classmate play basketball on the playground.
correct_sentence: My school's playground is big and beautiful.
error: ,
correction: .
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: 〈My school playground is big and beautiful〉 and 〈I often with classmate play basketball on the playground〉 contain independent subject-verb structures and can be separate sentences; therefore, 〈,〉 is changed to 『.』 to make the sentence structure clearer.

error_sentence: My school playground is big and beautiful,I often with classmate play basketball on the playground.
correct_sentence: I often play basketball with classmates on the playground.
error: with classmate

error_sentence: My school playground is big and beautiful,I often with classmate play basketball on the playground.
correct_sentence: I often play basketball with classmates on the playground.
correction: with classmates
error_type: Other Error
error_severity: 2
error_description: Other Error: The correct expression is 『play basketball with classmates』; therefore, 『with classmates』 is added after the verb 〈play basketball〉 to clarify the participants of the action and complete the sentence structure.

error_sentence: After lunch,Lots of students play basketball,play football or do running and kicking shuttlecock.
correct_sentence: After lunch, lots of students play basketball, play football, run and kick shuttlecock.
error: Lots
correction: lots
error_type: Case Error
error_severity: 1
error_description: Case Error: 〈Lots〉 is not a proper noun and is not at the beginning of a sentence, so its first letter should be lowercase; therefore, 〈Lots〉 is changed to 『lots』.

error_sentence: After lunch,Lots of students play basketball,play football or do running and kicking shuttlecock.
correct_sentence: After lunch, lots of students play basketball, play football, run and kick shuttlecock.
error: or do running and kicking
correction: , run and kick
error_type: Conjunction Error
error_severity: 4
error_description: ① Conjunction Error: A comma 『,』 should be used here to connect the following actions instead of 〈or〉, so 〈or〉 is changed to 『,』 to make the sentence more concise and fluent; ② Verb Choice Error: 〈do running〉 and 〈kicking〉 do not conform to idiomatic English expressions for sports; the base verbs 『run』 and 『kick』 should be used directly, so 〈do running and kicking〉 is changed to 『run and kick』 to correctly express the meaning.

error_sentence: When I feel tired and unhappy, it is the best place to go to.
correct_sentence: When I feel tired and unhappy, it is the best place to go.
error: to
error_type: Word Redundancy Error
error_severity: 2
error_description: Word Redundancy: Using 〈go〉 directly is sufficient to express the meaning of 'go to a place'; therefore, 〈to〉 is deleted to comply with grammatical rules.

error_sentence: In PE lessons,we do running.
correct_sentence: In PE lessons, we run.
error: do running
correction: run
error_type: Verb Choice Error
error_severity: 3
error_description: Verb Choice Error: 〈do running〉 does not conform to idiomatic English expressions for sports; this is in the simple present tense, and the verb 『run』 should be used directly, so 〈do running〉 is changed to 『run』 to correctly express the meaning.