Writing prompt: Written Expression.
Using the given vocabulary and sentence patterns, and referring to the picture, write a short essay.
Based on the information provided by Tom below, and referring to the picture, describe Tom's activities for next weekend using the simple future tense:
Writing hints:
On Saturday: do his homework 9:30; watch TV 11:00; go to the park in the afternoon
On Sunday: clean his room 10:00; play basketball 14:00; have a bath 18:00

Student essay:
The fellows are Tom's activities next week. On saturday, Tom will do his homework at 9:30. Then he will watch TV at 11:00. In the afternoon, he will go to park to play. And Sunday, he will clean his room at 10:00. He will go to play basketball at 14:00. Then that, he will have a bath at 18:00

Corrected essay:
The following are Tom's activities next week. On Saturday, Tom will do his homework at 9:30 a.m. Then he will watch TV at 11:00 a.m. In the afternoon, he will go to the park to play. On Sunday, he will clean his room at 10:00 a.m. He will go to play basketball at 14:00. After that, he will have a bath at 18:00.

Error analysis:
error_sentence: The fellows are Tom's activities next week.
correct_sentence: The following are Tom's activities next week.
error: fellows
correction: following
error_type: Noun Error
error_severity: 2
error_description: Noun Error: According to the prompt's requirement to describe Tom's activities next weekend, the word 〈fellows〉 in the original sentence means 'people or companions', which is a noun error; therefore, 〈fellows〉 needs to be changed to 『following』 to meet the requirement.

error_sentence: On saturday, Tom will do his homework at 9:30.
correct_sentence: On Saturday, Tom will do his homework at 9:30 a.m.
error: saturday
correction: Saturday
error_type: Case Error
error_severity: 1
error_description: Case Error: According to English writing conventions, the first letter of proper nouns must be capitalized; 〈saturday〉 is a proper noun meaning 'Saturday', so it needs to be changed to 『Saturday』 to comply with the convention.

error_sentence: On saturday, Tom will do his homework at 9:30.
correct_sentence: On Saturday, Tom will do his homework at 9:30 a.m.
error: .
correction: a.m.
error_type: Noun Error
error_severity: 2
error_description: Noun Error: According to English expression habits, 'a.m.' or 'p.m.' is usually added after the time to indicate morning or afternoon; here, the time expression 〈9:30〉 needs 『a.m.』 added to specify the time.

error_sentence: Then he will watch TV at 11:00.
correct_sentence: Then he will watch TV at 11:00 a.m.
error: .
correction: a.m.
error_type: Noun Error
error_severity: 2
error_description: Noun Error: According to English expression habits, 'a.m.' or 'p.m.' is usually added after the time to indicate morning or afternoon; here, the time expression 〈11:00〉 needs 『a.m.』 added to specify the time.

error_sentence: In the afternoon, he will go to park to play.
correct_sentence: In the afternoon, he will go to the park to play.
correction: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English grammar rules, the place noun 〈park〉 in the original sentence should refer to a specific location, thus requiring the definite article 『the』 before 〈park〉 to indicate specificity; it should be changed to 『to the park』 to comply with English grammar rules.

error_sentence: And Sunday, he will clean his room at 10:00.
correct_sentence: On Sunday, he will clean his room at 10:00 a.m.
error: And
correction: On
error_type: Preposition Error
error_severity: 2
error_description: Preposition Error: According to English expression habits, the preposition 『On』 is needed before days of the week; in the original sentence, 〈And〉 cannot precede the noun for the day. Therefore, 〈And Sunday〉 needs to be changed to 『On Sunday』 to correctly introduce the time adverbial.

error_sentence: And Sunday, he will clean his room at 10:00.
correct_sentence: On Sunday, he will clean his room at 10:00 a.m.
error: .
correction: a.m.
error_type: Noun Error
error_severity: 2
error_description: Noun Error: According to English expression habits, 'a.m.' or 'p.m.' is usually added after the time to indicate morning or afternoon; here, the time expression 〈10:00〉 needs 『a.m.』 added to specify the time.

error_sentence: Then that, he will have a bath at 18:00
correct_sentence: After that, he will have a bath at 18:00.
error: Then
correction: After
error_type: Conjunction Error
error_severity: 3
error_description: Conjunction Error: According to English expression habits, 〈Then that〉 is not a standard English conjunction phrase; the conjunction 〈Then〉 in the original sentence does not accurately express the time sequence of actions, so it is changed to 『After』 to indicate the logical order of events.

error_sentence: Then that, he will have a bath at 18:00
correct_sentence: After that, he will have a bath at 18:00.
correction: .
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: According to writing conventions, a complete sentence requires a period; the original sentence 〈he will have a bath at 18:00〉 is structurally complete but lacks a period at the end, so it is changed to 『he will have a bath at 18:00.』 to comply with English punctuation rules.