Writing prompt: Gap between Ideal and Actual

Student essay:
Actually,before entering SEU I thought classes in the university would be active,colorful and eased. Besides,the teacher is warm and considerate,even become one of classmates. Everyone can play some innocuous jokes on each other to enhance our relationships. Happily,we will live in an atmosphere of harmony and have a good time. No one will make even a little quarrel with somebody. Even though we have some different ideas with others,we can sit down and have a talk,whatever fierce or peaceful.
After having the first class,I get my surprise. I found what I dreamed come to life. As a matter of fact, they do, we all do. Everyone is in a great condition,we all can get along well with each other. In class we participate in heated discussion, we think earnestly, we strengthen our oral English in class. To tell the truth,ideal classroom teaching that in my mind is that I am enjoying.

Corrected essay:
Actually, before entering SEU I thought classes in the university would be active, colorful and easy. Besides, the teacher is warm and considerate, even becoming one of the classmates. Everyone can play some innocuous jokes on each other to enhance our relationships. Happily, we will live in an atmosphere of harmony and have a good time. No one will make even a little quarrel with somebody. Even though we have some different ideas from others, we can sit down and have a talk, whether fierce or peaceful.
After having the first class, I get my surprise. I find what I dreamed of comes to life. As a matter of fact, they do, we all do. Everyone is in a great condition. We all can get along well with each other. In class we participate in heated discussions, we think earnestly, and we strengthen our oral English in class. To tell the truth, the ideal classroom teaching in my mind is what I am enjoying.

Error analysis:
error_sentence: Actually,before entering SEU I thought classes in the university would be active,colorful and eased.
correct_sentence: Actually, before entering SEU I thought classes in the university would be active, colorful and easy.
error: eased
correction: easy
error_type: PoS Confusion Error
error_severity: 3
error_description: PoS Confusion: According to English parallel structure rules, in the adjective phrase 〈active, colorful and eased〉, 〈eased〉 is a past participle form of a verb; it should be changed to the adjective 『easy』 to maintain consistency in the part of speech of the parallel adjectives, forming the correct structure 『active, colorful and easy』.

error_sentence: Besides,the teacher is warm and considerate,even become one of classmates.
correct_sentence: Besides, the teacher is warm and considerate, even becoming one of the classmates.
error: become
correction: becoming
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: According to English grammar rules, a present participle is needed after the comma to function as an adverbial of accompanying circumstance; therefore, the base form of the verb 〈become〉 is changed to the present participle 『becoming』, forming the correct structure of a nonfinite verb phrase acting as an adverbial.

error_sentence: Besides,the teacher is warm and considerate,even become one of classmates.
correct_sentence: Besides, the teacher is warm and considerate, even becoming one of the classmates.
correction: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English noun phrase rules, the plural noun 〈classmates〉 in 〈one of classmates〉 requires a determiner for modification; 『the』 is added to form 『one of the classmates』 to indicate a specific reference to "one of the classmates".

error_sentence: Even though we have some different ideas with others,we can sit down and have a talk,whatever fierce or peaceful.

correct_sentence: Even though we have some different ideas from others, we can sit down and have a talk, whether fierce or peaceful.

error: with
correction: from
error_type: Preposition Error
error_severity: 2
error_description: Preposition Error: According to English fixed collocation rules, to express "different from...", the structure 〈different...from〉 should be used; therefore, 〈with〉 is changed to 『from』, forming the correct collocation 『different ideas from others』.

error_sentence: Even though we have some different ideas with others,we can sit down and have a talk,whatever fierce or peaceful.

correct_sentence: Even though we have some different ideas from others, we can sit down and have a talk, whether fierce or peaceful.

error: whatever
correction: whether
error_type: Conjunction Error
error_severity: 3
error_description: Conjunction Error: According to the usage of English clause conjunctions, 〈whatever〉 means "no matter what", whereas here it is necessary to express a conditional choice; it should be changed to 『whether』 to clarify the choice relationship of "fierce or peaceful".

error_sentence: I found what I dreamed come to life.
correct_sentence: I find what I dreamed of comes to life.
error: found
correction: find
error_type: Verb Tense Error
error_severity: 3
error_description: Verb Tense Error: According to the principle of tense consistency in context, the entire passage is in the present tense; therefore, the past tense 〈found〉 is changed to the present tense 『find』.

error_sentence: I found what I dreamed come to life.
correct_sentence: I find what I dreamed of comes to life.
error: come
correction: of comes
error_type: Subject-Verb Agreement Error
error_severity: 4
error_description: ① Preposition Error: According to verb fixed collocation rules, 〈dreamed〉 needs to be followed by the preposition 『of』 to form the phrase 『dreamed of』, expressing the complete structure of "dreamed of..."; ② Subject-Verb Agreement Error: According to English subject clause rules, a subject clause introduced by 〈what〉 is treated as a singular subject; therefore, the plural verb 〈come〉 is changed to the singular form 『comes』 to maintain subject-verb agreement.

error_sentence: Everyone is in a great condition,we all can get along well with each other.
correct_sentence: Everyone is in a great condition. We all can get along well with each other.
error: ,we
correction: . We
error_type: Punctuation Error
error_severity: 3
error_description: ① Punctuation Error: According to English grammar rules, two independent main clauses cannot be connected only by a comma (to avoid a comma splice error) and need to be separated by a period; therefore, 〈,we〉 is changed to 『. We』 to comply with standard punctuation norms; ② Space Error: According to English writing conventions, a space is required after a period; therefore, 〈.We〉 is changed to 『. We』 (adding a space) to meet formatting requirements.

error_sentence: In class we participate in heated discussion, we think earnestly, we strengthen our oral English in class.
correct_sentence: In class we participate in heated discussions, we think earnestly, and we strengthen our oral English in class.
error: discussion
correction: discussions
error_type: Noun Number Error
error_severity: 2
error_description: Noun Number Error: Based on contextual semantic analysis, 〈heated discussion〉 is not preceded by a singular determiner, and it needs to express the concept of multiple discussions; therefore, the singular noun is changed to the plural form 『discussions』 by adding "-s" to accurately convey the plural meaning.

error_sentence: In class we participate in heated discussion, we think earnestly, we strengthen our oral English in class.
correct_sentence: In class we participate in heated discussions, we think earnestly, and we strengthen our oral English in class.
correction: and
error_type: Conjunction Error
error_severity: 3
error_description: Conjunction Error: According to English parallel structure rules, a conjunction is needed to connect the last two clauses; therefore, the coordinating conjunction 『and』 is added to complete the sentence structure.

error_sentence: To tell the truth,ideal classroom teaching that in my mind is that I am enjoying.
correct_sentence: To tell the truth, the ideal classroom teaching in my mind is what I am enjoying.
correction: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English noun phrase rules, 〈ideal classroom teaching〉 as a specific concept requires a determiner for modification; therefore, the definite article 『the』 is added to form the correct expression 『the ideal classroom teaching』.

error_sentence: To tell the truth,ideal classroom teaching that in my mind is that I am enjoying.
correct_sentence: To tell the truth, the ideal classroom teaching in my mind is what I am enjoying.
error: that
error_type: Relative Word Error
error_severity: 3
error_description: Relative Word Error: According to English predicative clause structure, 〈that〉 is redundant here and does not conform to idiomatic expression; it should be deleted to simplify the structure and make the sentence more aligned with English expression habits.

error_sentence: To tell the truth,ideal classroom teaching that in my mind is that I am enjoying.
correct_sentence: To tell the truth, the ideal classroom teaching in my mind is what I am enjoying.
error: that
correction: what
error_type: Relative Word Error
error_severity: 3
error_description: Relative Word Error: According to English noun clause rules, a predicative clause needs to be introduced by 『what』; therefore, 〈that〉 is changed to 『what』 to express the content of "the ideal teaching in my mind", forming the standard sentence structure 『the ideal classroom teaching in my mind is what I am enjoying』.