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 is three in the afternoon. linda and her parents are in the shop. Look, a litter girl is buying some food . A young lady is looking at a dress. Her mother is trying the shoes . Her father is staying on th e soft . He is waiting for her mother .

Corrected essay:
It is three o'clock in the afternoon. Linda and her parents are in the shop. Look, a little girl is buying some food. A young lady is looking at a dress. Linda's mother is trying on the shoes. Linda's father is staying on the sofa. He is waiting for Linda's mother.

Error analysis:
error_sentence: It is three in the afternoon.
correct_sentence: It is three o'clock in the afternoon.
correction: o'clock
error_type: Adverb Error
error_severity: 3
error_description: Adverb Error: In English time expressions, the adverb 『o'clock』 needs to be added after 〈three〉 to indicate the hour; the complete format is 〈three o'clock in the afternoon〉.

error_sentence: linda and her parents are in the shop.
correct_sentence: Linda and her parents are in the shop.
error: linda
correction: Linda
error_type: Case Error
error_severity: 1
error_description: Case Error: According to English writing conventions, 『Linda』 is a proper name and its first letter must be capitalized; therefore, 〈linda〉 needs to be changed to 『Linda』 to comply with the convention.

error_sentence: Look, a litter girl is buying some food .
correct_sentence: Look, a little girl is buying some food.
error: litter
correction: little
error_type: Spelling Error
error_severity: 2
error_description: Spelling Error: Based on the sentence meaning, the intended word is 'little'; 〈litter〉 is a misspelling of 『little』 and needs to be corrected to 『little』 for the sentence to make sense.

error_sentence: Her mother is trying the shoes .
correct_sentence: Linda's mother is trying on the shoes.
error: Her
correction: Linda's
error_type: Pronoun Error
error_severity: 3
error_description: Pronoun Error: The subject of the preceding sentence is 'Linda and her parents'; the pronoun 〈Her〉 is too ambiguous. To avoid confusion, 〈Her〉 should be changed to 『Linda's』 to clearly specify the referent, namely Linda's mother.

error_sentence: Her mother is trying the shoes .
correct_sentence: Linda's mother is trying on the shoes.
correction: on
error_type: Preposition Error
error_severity: 2
error_description: Preposition Error: 'try on' is a fixed phrase meaning 'to put on (clothing, shoes, etc.) to see how they fit or look'; therefore, 『on』 should be added after 〈trying〉 to form the complete expression meaning 'trying on shoes'.

error_sentence: Her father is staying on th e soft .
correct_sentence: Linda's father is staying on the sofa.
error: Her
correction: Linda's
error_type: Pronoun Error
error_severity: 3
error_description: Pronoun Error: Here, 『Linda's father』 should be used for clear reference, avoiding confusion with the 〈Her〉 in 〈Her mother〉; therefore, 〈Her〉 is changed to 『Linda's』 to clearly refer to Linda's father and avoid ambiguity.

error_sentence: Her father is staying on th e soft .
correct_sentence: Linda's father is staying on the sofa.
error: th e soft
correction: the sofa
error_type: Spelling Error
error_severity: 3
error_description: ① Space Error: The letters in 〈th e〉 are incorrectly separated; 〈th e〉 should be changed to 『the』 to conform to English writing conventions; ② Spelling Error: Based on the sentence meaning, the intended word is 'sofa'; 〈soft〉 is a misspelling of 『sofa』 and needs to be corrected to 『sofa』 for the sentence to make sense.

error_sentence: He is waiting for her mother .
correct_sentence: He is waiting for Linda's mother.
error: her
correction: Linda's
error_type: Pronoun Error
error_severity: 3
error_description: Pronoun Error: Multiple female characters ('Linda' and 'young lady') have appeared previously; here, 『Linda's mother』 is needed to clearly specify the referent and avoid ambiguity. Therefore, 〈her〉 is changed to 『Linda's』 to clearly refer to Linda's mother, ensuring clarity.