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 time for three o'clock in the afternoon. Linda sees a little girl buy some food. She sees a young lady look at a dress too. She also sees her mother try the shoes and her father stay on the sofa and wait for her mother. All people are both happy today.

Corrected essay:
It's three o'clock in the afternoon. Linda sees a little girl buying some food. She sees a young lady looking at a dress too. She also sees her mother trying on the shoes and her father staying on the sofa and waiting for her mother. All people are happy today.

Error analysis:
error_sentence: It's time for three o'clock in the afternoon.
correct_sentence: It's three o'clock in the afternoon.
error: time for
error_type: Word Redundancy Error
error_severity: 4
error_description: Word Redundancy Error: In English time expressions, 〈three o'clock〉 already includes the concept of time, making 〈time for〉 redundant. Deleting 〈time for〉 makes the sentence conform better to English time expression norms.

error_sentence: Linda sees a little girl buy some food.
correct_sentence: Linda sees a little girl buying some food.
error: buy
correction: buying
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: According to English grammar rules, the object complement following the perception verb 〈see〉 requires the present participle to indicate an ongoing state, so the base form 〈buy〉 is changed to 『buying』 to reflect the action currently happening.

error_sentence: She sees a young lady look at a dress too.
correct_sentence: She sees a young lady looking at a dress too.
error: look
correction: looking
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: According to English grammar rules, the object complement following the perception verb 〈see〉 requires the present participle to indicate state, so the base form 〈look〉 is changed to 『looking』 to conform to the 'see sb. doing' grammatical structure.

error_sentence: She also sees her mother try the shoes and her father stay on the sofa and wait for her mother.
correct_sentence: She also sees her mother trying on the shoes and her father staying on the sofa and waiting for her mother.
error: try
correction: trying on
error_type: Nonfinite Verb Form Error
error_severity: 4
error_description: ① Nonfinite Verb Form Error: According to English grammar rules, the object complement following the perception verb 〈see〉 requires the present participle to indicate state, so the base form 〈try〉 is changed to the present participle 'trying' to indicate an ongoing state; ② Preposition Error: According to English usage, the phrasal verb 'try on' means 'to test clothing by putting it on', and the preposition 『on』 must be retained, so 『on』 is added.

error_sentence: She also sees her mother try the shoes and her father stay on the sofa and wait for her mother.
correct_sentence: She also sees her mother trying on the shoes and her father staying on the sofa and waiting for her mother.
error: stay
correction: staying
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: According to English grammar rules, the object complement following the perception verb 〈see〉 requires the present participle to indicate state, so the verb 〈stay〉 needs to be consistent with the preceding 'trying' in nonfinite form and should be changed to the present participle 『staying』 to conform to the 'see sb. doing' grammatical structure.

error_sentence: She also sees her mother try the shoes and her father stay on the sofa and wait for her mother.
correct_sentence: She also sees her mother trying on the shoes and her father staying on the sofa and waiting for her mother.
error: wait
correction: waiting
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: The verb 〈wait〉 needs to be in the present participle form 〈waiting〉 to indicate an ongoing action, conforming to the 'see sb. doing' grammatical structure.

error_sentence: All people are both happy today.
correct_sentence: All people are happy today.
error: both
error_type: Word Redundancy Error
error_severity: 3
error_description: Word Redundancy Error: 〈both〉 means 'two', while the subject 〈All people〉 means 'everyone', referring to Linda's whole family (more than two people) according to the context. This conflicts semantically with 〈both〉. Deleting the word 〈both〉 makes the sentence align with the intended meaning.