Writing prompt: What Is a Good Teacher?

Student essay:
A good teacher are very important to children.I think a good teacher should king and patient.She avoids making you feel stupid!And making mistakes she just smiles.Teaching is so well organised and clear.And students liking her.A good teacher can take care of students and students will grow up healthily and happily.Students going to make gropress with her.

Corrected essay:
A good teacher is very important to children. I think a good teacher should be kind and patient. She avoids making you feel stupid! And when you make mistakes, she just smiles. Her teaching is so well-organised and clear. And students like her. A good teacher can take care of students and students will grow up healthily and happily. Students are going to make progress with her.

Error analysis:
error_sentence: A good teacher are very important to children.
correct_sentence: A good teacher is very important to children.
error: are
correction: is
error_type: Subject-Verb Agreement Error
error_severity: 3
error_description: Subject-Verb Agreement Error: The subject 〈A good teacher〉 is singular, so the verb needs to be in the singular form; therefore, 〈are〉 is changed to 『is』 to comply with subject-verb agreement rules.

error_sentence: I think a good teacher should king and patient.
correct_sentence: I think a good teacher should be kind and patient.
error: king
correction: be kind
error_type: Sentence Structure Error
error_severity: 3
error_description: Sentence Structure Error: The original sentence is logically confused and semantically unclear; considering the context, it is understood that the intended meaning is 'I think a good teacher should be kind and patient', therefore 〈king〉 is changed to 『be kind』 to make the meaning coherent and conform to grammatical rules.

error_sentence: She avoids making you feel stupid!And making mistakes she just smiles.
correct_sentence: She avoids making you feel stupid! And when you make mistakes, she just smiles.
error: stupid!And making mistakes
correction: stupid! And when you make mistakes,
error_type: Sentence Structure Error
error_severity: 3
error_description: ① Space Error: English end-of-sentence punctuation requires a space before starting a new sentence; therefore, 〈stupid!And〉 is changed to 『stupid! And』 to conform to writing conventions; ② Sentence Structure Error: The original sentence is logically confused and semantically unclear; considering the context, it is understood that the intended meaning is 'when you make mistakes', therefore 〈making mistakes〉 is changed to 『when you make mistakes,』 to make the meaning coherent and conform to grammatical rules.

error_sentence: Teaching is so well organised and clear.
correct_sentence: Her teaching is so well-organised and clear.
error: Teaching
correction: Her teaching
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: The gerund 〈Teaching〉 needs the determiner 〈Her〉 to clarify the subject of the teaching, referring to the previously mentioned teacher; therefore, 〈Teaching〉 is changed to 『Her teaching』 to express the meaning more clearly.

error_sentence: Teaching is so well organised and clear.
correct_sentence: Her teaching is so well-organised and clear.
correction: -
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: The compound adjective 〈well organised〉 needs a hyphen to mean 'well-organized'; therefore, a 『-』 is added between 〈well〉 and 〈organised〉 to conform to the rules for forming compound adjectives.

error_sentence: And students liking her.
correct_sentence: And students like her.
error: liking
correction: like
error_type: Verb Tense Error
error_severity: 3
error_description: Verb Tense Error: The present participle 〈liking〉 cannot function alone as a predicate verb; here, the simple present tense is needed to express the students' general behavior, therefore 〈liking〉 is changed to 『like』 to conform to grammatical rules.

error_sentence: Students going to make gropress with her.
correct_sentence: Students are going to make progress with her.
correction: are
error_type: Auxiliary Error
error_severity: 2
error_description: Auxiliary Error: The sentence is missing the auxiliary verb 『are』 to form the future tense; therefore, 『are』 is added after 〈Students〉 to make the sentence's tense and structure complete.

error_sentence: Students going to make gropress with her.
correct_sentence: Students are going to make progress with her.
error: gropress
correction: progress
error_type: Spelling Error
error_severity: 2
error_description: Spelling Error: According to the sentence's meaning, it is understood that the intended word is 'progress'; therefore, 〈gropress〉 is a misspelling of 『progress』 and needs to be changed to 『progress』 to make the sentence's meaning clear.