Writing prompt: Based on the given hints and referring to the picture, write a short essay.
Last Sunday, I went for a picnic in the park with my friends. It started raining in the afternoon. I forgot my umbrella and got wet. I felt cold and had a headache. My friends took me to the hospital. The doctor said I had a fever. He gave me some medicine and told me to go home and rest well.
Writing hints: picnic; rain; umbrella; get wet; hospital; fever; medicine.

Student essay:
last week, I went to picnic in park with my friends. Start to afternoon the weather was raining, I wasn't remember to get umbrella so I got wet. I felt very cold and headache. My friends bring me to hospital, doctor say: " You are fever, you wait for me a minute, I need give you some medicines. " Then he tell me: " You must pay attention to your body! "

Corrected essay:
Last week, I went to picnic in the park with my friends. In the afternoon, it started to rain, but I hadn't remembered to bring an umbrella, so I got wet. I felt very cold and had a headache. My friends brought me to the hospital, and the doctor said, "You have a fever. You wait for me a minute. I need to give you some medicine." Then he told me, "You must pay attention to your body!"

Error analysis:
error_sentence: last week, I went to picnic in park with my friends.
correct_sentence: Last week, I went to picnic in the park with my friends.
error: last
correction: Last
error_type: Case Error
error_severity: 1
error_description: Case Error: According to English writing conventions, the first letter of the first word 〈last〉 in a sentence needs to be capitalized; therefore, it is changed to 『Last』 to comply with the capitalization rule for sentence beginnings.

error_sentence: last week, I went to picnic in park with my friends.
correct_sentence: Last week, I went to picnic in the park with my friends.
correction: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English grammar, when referring to a specific park, the countable noun 〈park〉 requires the definite article 〈the〉; therefore, 『the』 is added to make the meaning complete.

error_sentence: Start to afternoon the weather was raining, I wasn't remember to get umbrella
correct_sentence: In the afternoon, it started to rain, but I hadn't remembered to bring an umbrella, so I got wet.
error: Start to afternoon the weather was raining, I wasn't remember to get umbrella
correction: In the afternoon, it started to rain, but I hadn't remembered to bring an umbrella,
error_type: Sentence Structure Error
error_severity: 5
error_description: ① Sentence Structure Error: According to English grammar rules, the original phrase 〈Start to afternoon〉 has confused word order and lacks a subject; it should be changed to 『In the afternoon, it started to rain』 to conform to English sentence structure; ② Verb Tense Error: Based on the context, 〈wasn't remember〉 should be changed to the past perfect tense 『hadn't remembered』 to fit the time logic, expressing the past action of 'forgetting the umbrella' which happened before and affected the past event of 'getting rained on'; ③ Verb Choice Error: According to the intended meaning, the text aims to express 'forgetting to bring an umbrella' rather than 'forgetting to get an umbrella'; there is a verb choice error, so the verb 〈get〉 needs to be changed to 『bring』 to match the intended meaning; ④ Determiner Error: The singular countable noun 〈umbrella〉 lacks a determiner; therefore, 『an』 needs to be added to comply with grammatical rules.

error_sentence: I felt very cold and headache.
correct_sentence: I felt very cold and had a headache.
correction: had a
error_type: Verb Choice Error
error_severity: 3
error_description: ① Verb Choice Error: According to the fixed expression, the noun 〈headache〉 requires a verb connection; 『had a』 is added to form the complete predicate structure 『had a headache』; ② Determiner Error: The singular countable noun 〈headache〉 requires a determiner for modification; therefore, 『a』 needs to be added to comply with grammatical rules.

error_sentence: My friends bring me to hospital, doctor say: " You are fever, you wait for me a minute, I need give you some medicines. "
correct_sentence: My friends brought me to the hospital, and the doctor said, "You have a fever.
error: bring
correction: brought
error_type: Verb Tense Error
error_severity: 3
error_description: Verb Tense Error: According to the prompt and the overall context, the text describes events that happened last Sunday; therefore, past events require the past tense, necessitating the change of 〈bring〉 to 『brought』 to maintain tense consistency.

error_sentence: My friends bring me to hospital, doctor say: " You are fever, you wait for me a minute, I need give you some medicines. "
correct_sentence: My friends brought me to the hospital, and the doctor said, "You have a fever.
correction: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English grammar rules, when referring to a specific hospital, the singular countable noun 〈hospital〉 requires the definite article 『the』 for specification.

error_sentence: My friends bring me to hospital, doctor say: " You are fever, you wait for me a minute, I need give you some medicines. "
correct_sentence: My friends brought me to the hospital, and the doctor said, "You have a fever.
error: doctor say:
correction: and the doctor said,
error_type: Conjunction Error
error_severity: 4
error_description: ① Conjunction Error: According to English grammar rules, the two independent clauses 〈My friends bring me to hospital〉 and 〈doctor say〉 have complete subject-verb structures; therefore, the conjunction 〈and〉 is needed to connect them, changed to 『and the doctor』; ② Verb Tense Error: According to the prompt and the overall context, the text describes events that happened last Sunday; therefore, past events require the past tense, necessitating the change of 〈bring〉 to 『brought』, and 〈say〉 should be changed to the past tense 『said』 to maintain tense consistency; ③ Determiner Error: According to English grammar rules, when referring to a specific doctor, the singular countable noun 〈doctor〉 requires the definite article 『the』 for specification; ④ Punctuation Error: According to English writing conventions, the corrected phrase 『doctor said』 should be followed by a comma 『,』 not a colon 〈:〉 to introduce direct speech.

error_sentence: My friends bring me to hospital, doctor say: " You are fever, you wait for me a minute, I need give you some medicines. "
correct_sentence: My friends brought me to the hospital, and the doctor said, "You have a fever. You wait for me a minute.
error: are fever, you
correction: have a fever. You
error_type: Verb Choice Error
error_severity: 3
error_description: ① Verb Choice Error: According to the fixed expression, stating a condition of illness should use the fixed phrase 『have a fever』, not 〈are fever〉; ② Determiner Error: According to English grammar rules, the singular countable noun 〈fever〉 requires the indefinite article 『a』 for specification, indicating the illness of fever; ③ Punctuation Error: According to English writing conventions, 〈You are fever〉 and 〈you wait for me a minute〉 are complete independent clauses and should be separated by a period 『.』; therefore, the comma 〈,〉 is changed to 『.』; ④ Case Error: According to English writing conventions, after the sentence 『You have a fever.』 ends, the first letter of 〈you wait for me a minute〉 should be capitalized, changed to 『You』.

error_sentence: My friends bring me to hospital, doctor say: " You are fever, you wait for me a minute, I need give you some medicines. "
correct_sentence: You wait for me a minute.
error: ,
correction: .
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: According to English writing conventions, the two independent clauses 〈you wait for me a minute〉 and 〈I need give you some medicines〉 have complete subject-verb structures and need to be separated by a period; therefore, the comma 〈,〉 at the end of the sentence 〈you wait for me a minute〉 needs to be changed to a period 『.』 to comply with English punctuation rules.

error_sentence: My friends bring me to hospital, doctor say: " You are fever, you wait for me a minute, I need give you some medicines. "
correct_sentence: I need to give you some medicine."
correction: to
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: According to English grammar rules, the verb 〈need〉 followed by another verb requires the infinitive 'to do' form; therefore, 『to』 is added to form 『need to give』.

error_sentence: My friends bring me to hospital, doctor say: " You are fever, you wait for me a minute, I need give you some medicines. "
correct_sentence: I need to give you some medicine."
error: medicines
correction: medicine
error_type: Noun Error
error_severity: 3
error_description: Noun Number Error: According to English grammar, 〈medicine〉 is an uncountable noun and does not need a plural form; therefore, 〈medicines〉 is changed to the base form 『medicine』.

error_sentence: Then he tell me: " You must pay attention to your body! "
correct_sentence: Then he told me, "You must pay attention to your body!"
error: tell me:
correction: told me,
error_type: Verb Tense Error
error_severity: 3
error_description: ① Verb Tense Error: According to English grammar rules, past events require the past tense; 〈tell〉 is changed to 『told』 to meet the tense requirement for narrating past events; ② Punctuation Error: According to English writing conventions, 『tell me』 should be followed by a comma 『,』 not a colon 〈:〉.