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:
Now it's 3PM, Alittle girl is buying some food, A young lady is looking at a dress, Lind's mother is trying tthe shoes, her father is staying on the sofa, waiting for her mother.

Corrected essay:
Now it's 3 PM. A little girl is buying some food. A young lady is looking at a dress. Linda's mother is trying on the shoes. Her father is staying on the sofa, waiting for her mother.

Error analysis:
error_sentence: Now it's 3PM, Alittle girl is buying some food, A young lady is looking at a dress, Lind's mother is trying tthe shoes, her father is staying on the sofa, waiting for her mother.
correct_sentence: Now it's 3 PM. A little girl is buying some food.
error: 3PM, Alittle
correction: 3 PM. A little
error_type: Punctuation Error
error_severity: 5
error_description: ① Space Error: English time expression 〈3PM〉 requires a space between the number and the time unit; ② Punctuation Error: In English, a period 『.』 should be used to separate two independent sentences, so 〈3 PM,〉 needs to be changed to 『3 PM.』; ③ Space Error: In English, a space should separate two words, so 〈Alittle〉 needs to be changed to 『A little』 to conform to expression standards.

error_sentence: Now it's 3PM, Alittle girl is buying some food, A young lady is looking at a dress, Lind's mother is trying tthe shoes, her father is staying on the sofa, waiting for her mother.
correct_sentence: A little girl is buying some food.
error: ,
correction: .
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: The independent clauses “A little girl...” and “A young lady...” contain independent predicate structures and are connected only by a comma, creating a comma splice error. The comma needs to be changed to a period 『.』 to separate the independent sentences.

error_sentence: Now it's 3PM, Alittle girl is buying some food, A young lady is looking at a dress, Lind's mother is trying tthe shoes, her father is staying on the sofa, waiting for her mother.
correct_sentence: A young lady is looking at a dress. Linda's mother is trying on the shoes.
error: , Lind
correction: . Linda
error_type: Punctuation Error
error_severity: 3
error_description: ① Punctuation Error: According to the context, the independent clauses “A young lady...” and “Linda's mother...” need to be separated by a period, so 〈,〉 needs to be changed to 『.』; ② Case Error: The proper noun 〈Linda〉 at the beginning of the sentence needs to be capitalized to comply with English writing conventions, so it is changed to 『Linda』.

error_sentence: Now it's 3PM, Alittle girl is buying some food, A young lady is looking at a dress, Lind's mother is trying tthe shoes, her father is staying on the sofa, waiting for her mother.
correct_sentence: Linda's mother is trying on the shoes. Her father is staying on the sofa, waiting for her mother.
error: tthe shoes, her
correction: on the shoes. Her
error_type: Preposition Error
error_severity: 5
error_description: ① Preposition Error: In English, the phrasal verb “try on” means “to test clothing”, and the preposition 『on』 cannot be omitted; it needs to be added after 〈trying〉 to conform to grammatical rules; ② Spelling Error: The word 〈tthe〉 is misspelled and should be changed to 『the』 to conform to standards; ③ Punctuation Error: In English, a period is used to separate the two independent sentences “Lind's mother is trying on the shoes” and “Her father is staying on the sofa...”, so 〈shoes, her〉 needs to be changed to 『shoes. Her.』.