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:
Tom is a student. Here is his plan this weekend. He is going to do his homework at 9:30 a. m on Saturday. And then he is going to watch TV at 11:00. He is going to the park in the afternoon. On Sunday He is going to clean his room at10:00 a. m . In the afternoon, he is going to play basketball at 14:00 and have a bath at 618:00. He will have a fun weekend.

Corrected essay:
Tom is a student. Here is his plan for this weekend. He is going to do his homework at 9:30 a.m. on Saturday. And then, he is going to watch TV at 11:00 a.m. He is going to the park in the afternoon. On Sunday he is going to clean his room at 10:00 a.m. In the afternoon, he is going to play basketball at 14:00 and have a bath at 18:00. He will have a fun weekend.

Error analysis:
error_sentence: Here is his plan this weekend.
correct_sentence: Here is his plan for this weekend.
correction: for
error_type: Preposition Error
error_severity: 2
error_description: Preposition Error: The preposition 『for』 needs to be added before 〈this weekend〉 to form a prepositional phrase modifying 〈plan〉, meaning 'plan for this weekend'.

error_sentence: He is going to do his homework at 9:30 a. m on Saturday.
correct_sentence: He is going to do his homework at 9:30 a.m. on Saturday.
error: a. m
correction: a.m.
error_type: Space Error
error_severity: 2
error_description: ① Space Error: In time expressions, 〈a. m〉 should be written as 『a.m.』 without a space in between; ② Punctuation Error: The time abbreviation 〈a.m〉 requires periods, so 〈a. m〉 is standardized to 『a.m.』.

error_sentence: And then he is going to watch TV at 11:00.
correct_sentence: And then, he is going to watch TV at 11:00 a.m.
correction: ,
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: According to English usage, the conjunctive adverb 〈And then〉 introducing a sentence element should be separated from the main clause by a comma, so 『,』 is added after 〈then〉 for clarity.

error_sentence: And then he is going to watch TV at 11:00.
correct_sentence: And then, he is going to watch TV at 11:00 a.m.
error: .
correction: a.m.
error_type: Determiner Error
error_severity: 3
error_description: Determiner Error: According to English usage, the time expression 〈11:00〉 needs the time unit 『a.m.』 added to indicate the morning period, otherwise it might cause ambiguity.

error_sentence: On Sunday He is going to clean his room at10:00 a. m .
correct_sentence: On Sunday he is going to clean his room at 10:00 a.m.
error: He
correction: he
error_type: Case Error
error_severity: 1
error_description: Case Error: The subject 〈he〉 following the time adverbial phrase 〈On Sunday〉 is not at the beginning of the sentence and should not be capitalized; it should remain in lowercase, so 〈He〉 is changed to 〈he〉.

error_sentence: On Sunday He is going to clean his room at10:00 a. m .
correct_sentence: On Sunday he is going to clean his room at 10:00 a.m.
error: at10:00 a. m .
correction: at 10:00 a.m.
error_type: Space Error
error_severity: 2
error_description: ① Space Error: The time expression 〈at10:00〉 consists of two parts and lacks the necessary space; a space should be added between 〈at〉 and 〈10:00〉 according to writing rules; ② Format Error: 〈a. m .〉 needs to be standardized to 『a.m.』 to conform to standard writing format.

error_sentence: In the afternoon, he is going to play basketball at 14:00 and have a bath at 618:00.
correct_sentence: In the afternoon, he is going to play basketball at 14:00 and have a bath at 18:00.
error: 618:00
correction: 18:00
error_type: Spelling Error
error_severity: 1
error_description: Spelling Error: According to the sentence meaning, the number in the time expression 〈618:00〉 is misspelled. It should be 『18:00』, indicating 6 p.m.