Writing prompt: Using the given vocabulary and sentence patterns, and referring to the picture, write a short essay. It is 3 PM. Based on the information provided below about Linda, use the present continuous tense to describe what Linda sees and hears at the mall:
Writing hints:
A little girl: buy some food
A young lady: look at a dress
Linda's mother: try on the shoes
Linda's father: stay on the sofa; wait for

Student essay:
It's 3:00, Linda is at the shop hall now, she sees a little girl is buying some food, she sees a young lady is looking at a pretty dress, Linda sees a woman is trying the shoes, but, who's that woman? Haha, that woman is Lin da 's mother. That is a man staying on the sofa, he is Linda's father, he's waiting for his wife.

Corrected essay:
It's 3:00 pm. Linda is at the shopping mall now. She sees a little girl buying some food. She sees a young lady looking at a pretty dress. Linda sees a woman trying on the shoes, but, who's that woman? Haha, that woman is Linda's mother. There is a man staying on the sofa. He is Linda's father, and he's waiting for his wife.

Error analysis:
error_sentence: It's 3:00, Linda is at the shop hall now, she sees a little girl is buying some food, she sees a young lady is looking at a pretty dress, Linda sees a woman is trying the shoes, but, who's that woman?
correct_sentence: It's 3:00 pm.
error: ,
correction: pm.
error_type: Punctuation Error
error_severity: 2
error_description: ① Determiner Error: English time expressions require 'a.m.' or 'p.m.' after the time to specify morning or afternoon; according to the prompt, 『pm』 needs to be added after 〈3:00〉 to indicate 3 PM specifically; ② Punctuation Error: A declarative sentence should end with a period; therefore, a period is added after 『pm』 to indicate the end of the sentence.

error_sentence: It's 3:00, Linda is at the shop hall now, she sees a little girl is buying some food, she sees a young lady is looking at a pretty dress, Linda sees a woman is trying the shoes, but, who's that woman?
correct_sentence: Linda is at the shopping mall now. She sees a little girl buying some food.
error: shop hall now, she
correction: shopping mall now. She
error_type: Noun Error
error_severity: 3
error_description: ① Noun Error: 〈shop hall〉 does not conform to standard English usage; the correct term is 『shopping mall』 meaning 'shopping mall'; ② Punctuation Error: 〈Linda is at the shop hall now〉 and 〈she sees a little girl is buying some food〉 contain independent predicate/subject-verb structures and can stand as separate sentences; therefore, the comma between the two sentences needs to be changed to a period.

error_sentence: It's 3:00, Linda is at the shop hall now, she sees a little girl is buying some food, she sees a young lady is looking at a pretty dress, Linda sees a woman is trying the shoes, but, who's that woman?
correct_sentence: She sees a little girl buying some food.
error: is
error_type: Subject-Verb Agreement Error
error_severity: 3
error_description: Subject-Verb Agreement Error: According to English grammar rules, when the perception verb 〈sees〉 is followed by an object, the verb-ing form is needed to form a complex object structure; therefore, 〈is〉 is deleted, changing 『is buying』 to 『buying』.

error_sentence: It's 3:00, Linda is at the shop hall now, she sees a little girl is buying some food, she sees a young lady is looking at a pretty dress, Linda sees a woman is trying the shoes, but, who's that woman?
correct_sentence: She sees a little girl buying some food. She sees a young lady looking at a pretty dress.
error: , she
correction: . She
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: 〈she sees a little girl is buying some food〉 and 〈she sees a young lady is looking at a pretty dress〉 contain independent predicate/subject-verb structures and can stand as separate sentences. Therefore, 〈, she〉 is changed to 『. She』 for correctness.

error_sentence: It's 3:00, Linda is at the shop hall now, she sees a little girl is buying some food, she sees a young lady is looking at a pretty dress, Linda sees a woman is trying the shoes, but, who's that woman?
correct_sentence: She sees a young lady looking at a pretty dress.
error: is
error_type: Subject-Verb Agreement Error
error_severity: 3
error_description: Word Redundancy Error: According to standard English usage, the expression for 'seeing someone doing something' is 'see sb. doing sth.'; the perception verb 〈sees〉 requires the verb-ing form afterwards, so 〈is〉 is deleted, changing 『is looking』 to 『looking』 to conform to standard English expression.

error_sentence: It's 3:00, Linda is at the shop hall now, she sees a little girl is buying some food, she sees a young lady is looking at a pretty dress, Linda sees a woman is trying the shoes, but, who's that woman?
correct_sentence: She sees a young lady looking at a pretty dress.
error: ,
correction: .
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: 〈she sees a young lady is looking at a pretty dress〉 and 〈Linda sees a woman is trying the shoes〉 contain independent predicate/subject-verb structures and can stand as separate sentences; therefore, 〈, Linda〉 is changed to 『. Linda』 for correctness.

error_sentence: It's 3:00, Linda is at the shop hall now, she sees a little girl is buying some food, she sees a young lady is looking at a pretty dress, Linda sees a woman is trying the shoes, but, who's that woman?
correct_sentence: Linda sees a woman trying on the shoes, but, who's that woman?
error: is trying
correction: trying on
error_type: Verb Choice Error
error_severity: 3
error_description: ① Word Redundancy Error: According to standard English usage, the expression for 'seeing someone doing something' is 'see sb. doing sth.'; the perception verb 〈sees〉 requires the verb-ing form afterwards, so 〈is〉 is deleted, changing 『is trying』 to 『trying』 to conform to standard English expression; ② Preposition Error: According to English fixed phrases, the verb 〈trying〉 needs the preposition 『on』 after it to form the correct phrase 『trying on』, meaning 'to try on shoes'.

error_sentence: Haha, that woman is Lin da 's mother.
correct_sentence: Haha, that woman is Linda's mother.
error: Lin da
correction: Linda
error_type: Space Error
error_severity: 1
error_description: Space Error: The proper noun 〈Linda〉 should not have a space in the middle; therefore, 〈Lin da〉 is merged into 『Linda』.

error_sentence: That is a man staying on the sofa, he is Linda's father, he's waiting for his wife.
correct_sentence: There is a man staying on the sofa.
error: That
correction: There
error_type: Sentence Structure Error
error_severity: 3
error_description: Sentence Structure Error: According to English grammar rules, existential sentences require the 『There is』 structure to indicate objective existence, not the demonstrative pronoun 〈That〉; therefore, 〈That is〉 in the original sentence is changed to 『There is』.

error_sentence: That is a man staying on the sofa, he is Linda's father, he's waiting for his wife.
correct_sentence: There is a man staying on the sofa. He is Linda's father, and he's waiting for his wife.
error: , he
correction: . He
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: 〈That is a man staying on the sofa〉 and 〈he is Linda's father〉 contain independent predicate/subject-verb structures and can stand as separate sentences; therefore, 〈, he〉 is changed to 『. He』 for correctness.

error_sentence: That is a man staying on the sofa, he is Linda's father, he's waiting for his wife.
correct_sentence: He is Linda's father, and he's waiting for his wife.
correction: and
error_type: Conjunction Error
error_severity: 3
error_description: Conjunction Error: 〈he is Linda's father〉 and 〈he's waiting for his wife〉 contain independent predicate/subject-verb structures and can stand as separate sentences; they cannot be joined by a comma but require the conjunction 『and』.