Writing prompt: My Favorite Place at School

Student essay:
I spent half of my childhood in my school,so I love my school rather than my home.
I love lab building best. Actually, I like everything in school,except the classroom. In my mind, lab building is the most beautiful place,there were two trees in front of the door so we can enjoy ourselves under the tree.
On the first floor,there is a lab which can do chemistry experiment. I like chemistry just because of the experiment.when we burnt Mg,the view we see is amazing:it just like firework. On the other hand, we also mix the different things in a small bottle. It is so dangerous that we must be careful in every minute.
On the other floors,there are many interesting places as well.
I love lab building because it is beautiful,amazing,quiet. I will remember it fo ever

Corrected essay:
I spent half of my childhood in my school, so I love my school rather than my home.
I love the lab building best. Actually, I like everything in school, except the classroom. In my mind, the lab building is the most beautiful place. There are two trees in front of the door so we can enjoy ourselves under the tree.
On the first floor, there is a lab where we can do chemistry experiments. I like chemistry just because of the experiments. When we burn Mg, the view we see is amazing: it is just like fireworks. On the other hand, we also mix different things in a small bottle. It is so dangerous that we must be careful in every minute.
On the other floors, there are many interesting places as well.
I love the lab building because it is beautiful, amazing, and quiet. I will remember it forever.

Error analysis:
error_sentence: I love lab building best.
correct_sentence: I love the lab building best.
correction: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to the context, this specifically refers to the “lab building”, requiring the addition of the definite article 『the』 for specification, thus changing 〈lab building〉 to 『the lab building』 to conform to the semantics.

error_sentence: In my mind, lab building is the most beautiful place,there were two trees in front of the door so we can enjoy ourselves under the tree.

correct_sentence: In my mind, the lab building is the most beautiful place.
correction: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to the context, this specifically refers to the “lab building”, requiring the addition of the definite article 『the』 for specification, thus changing 〈lab building〉 to 『the lab building』 to conform to the semantics.

error_sentence: In my mind, lab building is the most beautiful place,there were two trees in front of the door so we can enjoy ourselves under the tree.

correct_sentence: In my mind, the lab building is the most beautiful place. There are two trees in front of the door so we can enjoy ourselves under the tree.

error: ,there were
correction: . There are
error_type: Verb Tense Error
error_severity: 5
error_description: ① Punctuation Error: According to English grammar rules, the original sentences 〈lab building is the most beautiful place〉 and 〈there were two trees〉 have complete subject-verb structures, and a comma 〈,〉 cannot be used to separate two independent sentences, therefore 〈,there〉 needs to be changed to 『. There』 to comply with English grammar rules; ② Verb Tense Error: According to the context, this should be in the simple present tense, while the original sentence uses 〈were〉 in the simple past tense, therefore 〈were〉 needs to be changed to the simple present tense 『are』 to fit the context.

error_sentence: On the first floor,there is a lab which can do chemistry experiment.
correct_sentence: On the first floor, there is a lab where we can do chemistry experiments.
error: which
correction: where we
error_type: Relative Word Error
error_severity: 4
error_description: Relative Word Error: According to English expression habits, when the relative word 〈which〉 refers to the place 〈lab〉, the relative adverb 『where』 should be used to introduce the attributive clause, therefore 〈which〉 is changed to 『where we』 to conform to expression habits.

error_sentence: On the first floor,there is a lab which can do chemistry experiment.
correct_sentence: On the first floor, there is a lab where we can do chemistry experiments.
error: experiment
correction: experiments
error_type: Noun Number Error
error_severity: 2
error_description: Noun Number Error: According to the context, 〈experiment〉 in the original sentence should be in the plural form 『experiments』 to indicate multiple experiments, therefore 〈experiment〉 should be changed to 『experiments』 to fit the context.

error_sentence: I like chemistry just because of the experiment.when we burnt Mg,the view we see is amazing:it just like firework.
correct_sentence: I like chemistry just because of the experiments. When we burn Mg, the view we see is amazing: it is just like fireworks.
error: experiment.when we burnt
correction: experiments. When we burn
error_type: Verb Tense Error
error_severity: 5
error_description: ① Noun Number Error: According to the context, 〈experiment〉 in the original sentence should be in the plural form 『experiments』 to indicate multiple experiments, therefore 〈experiment〉 should be changed to 『experiments』 to fit the context.; ② Space Error: According to English writing conventions, there should be a space between punctuation and words; the original sentence 〈experiment.when〉 lacks a space, therefore 〈experiment.when〉 needs to be changed to 『experiments. When』 to comply with writing conventions; ③ Verb Tense Error: According to the context, this should be in the simple present tense, while the original sentence uses 〈burnt〉 in the simple past tense, therefore 〈burnt〉 needs to be changed to the simple present tense 『burn』 to fit the context.

error_sentence: I like chemistry just because of the experiment.when we burnt Mg,the view we see is amazing:it just like firework.
correct_sentence: When we burn Mg, the view we see is amazing: it is just like fireworks.
correction: is
error_type: Verb Choice Error
error_severity: 3
error_description: Verb Choice Error: According to English grammar rules, a sentence requires a predicate; the original sentence 〈it just like firework〉 lacks a verb, therefore 『is』 needs to be added to connect the subject and object, forming the complete 『it is just like fireworks』 to comply with English grammar rules.

error_sentence: I like chemistry just because of the experiment.when we burnt Mg,the view we see is amazing:it just like firework.
correct_sentence: When we burn Mg, the view we see is amazing: it is just like fireworks.
error: firework
correction: fireworks
error_type: Noun Number Error
error_severity: 2
error_description: Noun Number Error: According to the context, 〈firework〉 in the original sentence should be in the plural form 『fireworks』 to represent the scene of fireworks, therefore 〈firework〉 should be changed to 『fireworks』 to fit the context.

error_sentence: On the other hand, we also mix the different things in a small bottle.
correct_sentence: On the other hand, we also mix different things in a small bottle.
error: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English grammar rules, no article is needed before a plural countable noun; in the original sentence, 〈different things〉 is a generic concept and does not require a definite article for modification, therefore the sentence is changed to 『mix different things』 to comply with English grammar rules.

error_sentence: I love lab building because it is beautiful,amazing,quiet.
correct_sentence: I love the lab building because it is beautiful, amazing, and quiet.
correction: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to the context, this specifically refers to the “lab building”, requiring the addition of the definite article 『the』 for specification, thus changing 〈lab building〉 to 『the lab building』 to conform to the semantics.

error_sentence: I love lab building because it is beautiful,amazing,quiet.
correct_sentence: I love the lab building because it is beautiful, amazing, and quiet.
correction: and
error_type: Conjunction Error
error_severity: 4
error_description: Conjunction Error: According to English grammar rules, when listing multiple parallel items, a conjunction is needed between the last two components; in the original sentence, 〈amazing〉 and 〈quiet〉 as the last two components of a parallel structure require the addition of 『and』 to connect them, therefore 『and』 needs to be added to comply with English grammar rules.

error_sentence: I will remember it fo ever
correct_sentence: I will remember it forever.
error: fo ever
correction: forever.
error_type: Spelling Error
error_severity: 2
error_description: Spelling Error: According to the meaning of the sentence, the intention here is to express “forever”, thus 〈fo ever〉 is a misspelling of 『forever』, and 〈fo ever〉 needs to be changed to 『forever』 to make the sentence coherent.