Writing prompt: My Teacher

Student essay:
Mrs Sun is my English teacher.She is thirty years old.She has short black hair,big eyes,and she wears glasses.
Mrs Sun is kind and friendly.but sometimes she will be strict.She likes reading and listening to music.
Mrs Sun is a good teacher.when we got bad marks,she will tell us not to give up hoping,and help us to get good marks.sometimes she will be angry with us,but we know,she loves us.That's why she is my favourite teacher.

Corrected essay:
Mrs. Sun is my English teacher. She is thirty years old. She has short black hair and big eyes, and she wears glasses.
Mrs. Sun is kind and friendly, but sometimes she will be strict. She likes reading and listening to music.
Mrs. Sun is a good teacher. When we get bad marks, she tells us not to give up hope, and helps us to get good marks. Sometimes she will be angry with us, but we know she loves us. That's why she is my favourite teacher.

Error analysis:
error_sentence: Mrs Sun is my English teacher.
correct_sentence: Mrs. Sun is my English teacher.
error: Mrs
correction: Mrs.
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: The title 〈Mrs〉 as an abbreviation needs a period after it, so it is changed to 『Mrs.』 to conform to English punctuation rules.
error_sentence: She has short black hair,big eyes,and she wears glasses.

correct_sentence: She has short black hair and big eyes, and she wears glasses.

error: ,
correction: and
error_type: Conjunction Error
error_severity: 3
error_description: Conjunction Error: According to English grammar rules, when listing multiple parallel elements in a sentence, the conjunction 『and』 should be used for connection, so the 〈,〉 after 〈hair〉 is changed to 『and』 to conform to idiomatic expression rules.
error_sentence: Mrs Sun is kind and friendly.but sometimes she will be strict.
correct_sentence: Mrs. Sun is kind and friendly, but sometimes she will be strict.
error: Mrs
correction: Mrs.
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: The title 〈Mrs〉 as an abbreviation needs a period after it, so it is changed to 『Mrs.』 to conform to English punctuation rules.
error_sentence: Mrs Sun is kind and friendly.but sometimes she will be strict.
correct_sentence: Mrs. Sun is kind and friendly, but sometimes she will be strict.
error: friendly.but
correction: friendly, but
error_type: Punctuation Error
error_severity: 2
error_description: ① Punctuation Error: According to English grammar rules, in a compound sentence, a clause introduced by 〈but〉 indicating contrast needs to be separated from the preceding sentence by a comma, so 〈.〉 is changed to 『,』 to conform to sentence structure rules; ② Space Error: The 『,』 here lacks a space with the following word, so 〈friendly.but〉 is changed to 『friendly, but』 to conform to writing conventions.
error_sentence: Mrs Sun is a good teacher.when we got bad marks,she will tell us not to give up hoping,and help us to get good marks.sometimes she will be angry with us,but we know,she loves us.
correct_sentence: Mrs. Sun is a good teacher.
error: Mrs
correction: Mrs.
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: The title 〈Mrs〉 as an abbreviation needs a period after it, so it is changed to 『Mrs.』 to conform to English punctuation rules.
error_sentence: Mrs Sun is a good teacher.when we got bad marks,she will tell us not to give up hoping,and help us to get good marks.sometimes she will be angry with us,but we know,she loves us.
correct_sentence: Mrs. Sun is a good teacher. When we get bad marks, she tells us not to give up hope, and helps us to get good marks.
error: teacher.when we got
correction: teacher. When we get
error_type: Verb Tense Error
error_severity: 4
error_description: ① Space Error: The 〈.〉 here lacks a space with the following word, so a space is added after 〈.〉 to conform to writing conventions; ② Case Error: According to English writing conventions, the first letter of a word at the beginning of a sentence needs to be capitalized, so 〈when〉 needs to be changed to 『When』 to conform to the rules; ③ Verb Tense Error: The context is simple present tense, so 〈got〉 is changed to 『get』 to maintain tense consistency.
error_sentence: Mrs Sun is a good teacher.when we got bad marks,she will tell us not to give up hoping,and help us to get good marks.sometimes she will be angry with us,but we know,she loves us.
correct_sentence: When we get bad marks, she tells us not to give up hope, and helps us to get good marks.
error: will tell
correction: tells
error_type: Verb Tense Error
error_severity: 3
error_description: Verb Tense Error: The context is simple present tense, so the simple future tense 〈will tell〉 is changed to the simple present tense 『tells』 to maintain tense consistency.
error_sentence: Mrs Sun is a good teacher.when we got bad marks,she will tell us not to give up hoping,and help us to get good marks.sometimes she will be angry with us,but we know,she loves us.
correct_sentence: When we get bad marks, she tells us not to give up hope, and helps us to get good marks.
error: hoping
correction: hope
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: According to English grammar rules, the phrase "give up" 〈give up〉 needs to be followed by a noun as an object, so the gerund 〈hoping〉 is changed to the noun 『hope』 to correctly express the meaning of the sentence.
error_sentence: Mrs Sun is a good teacher.when we got bad marks,she will tell us not to give up hoping,and help us to get good marks.sometimes she will be angry with us,but we know,she loves us.
correct_sentence: When we get bad marks, she tells us not to give up hope, and helps us to get good marks.
error: help
correction: helps
error_type: Subject-Verb Agreement Error
error_severity: 3
error_description: Subject-Verb Agreement Error: The subject 〈she〉 is third-person singular and needs to be paired with the third-person singular form of the verb, so 〈help〉 is changed to 『helps』 to conform to subject-verb agreement rules.
error_sentence: Mrs Sun is a good teacher.when we got bad marks,she will tell us not to give up hoping,and help us to get good marks.sometimes she will be angry with us,but we know,she loves us.
correct_sentence: When we get bad marks, she tells us not to give up hope, and helps us to get good marks. Sometimes she will be angry with us, but we know she loves us.
error: marks.sometimes
correction: marks. Sometimes
error_type: Space Error
error_severity: 2
error_description: ① Space Error: The 〈.〉 here lacks a space with the following word, so a space is added after 〈.〉 to conform to writing conventions; ② Case Error: According to English writing conventions, the first letter of a word at the beginning of a sentence needs to be capitalized, so 〈sometimes〉 needs to be changed to 『Sometimes』 to conform to the rules.
error_sentence: Mrs Sun is a good teacher.when we got bad marks,she will tell us not to give up hoping,and help us to get good marks.sometimes she will be angry with us,but we know,she loves us.
correct_sentence: Sometimes she will be angry with us, but we know she loves us.
error: ,
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: According to English grammar rules, the object clause 〈she loves us〉 does not need a comma to separate it from the predicate, so 〈,〉 is deleted to make the sentence smoother.