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:
My name is Tom. I made some plans for my next weekend. On Saturday, I will do my homework at 9:30 am. Then, I will watch TV to relax at 11:00 am. In tne afternoon, I will go to the park with my friends. On Sunday, I will clean my room at 10:00 am. I will play basketball at 14:00 pm. Then, I will go home to have a bath.

Corrected essay:
My name is Tom. I made some plans for my next weekend. On Saturday, I will do my homework at 9:30 a.m. Then, I will watch TV to relax at 11:00 a.m. In the afternoon, I will go to the park with my friends. On Sunday, I will clean my room at 10:00 a.m. I will play basketball at 2:00 p.m. Then, I will go home to have a bath.

Error analysis:
error_sentence: On Saturday, I will do my homework at 9:30 am.
correct_sentence: On Saturday, I will do my homework at 9:30 a.m.
error: am.
correction: a.m.
error_type: Contraction Error
error_severity: 2
error_description: Contraction Error: According to standard English time expression format, 〈am〉, as the abbreviation for the Latin phrase "ante meridiem", must use two periods to separate the letters and be kept in lowercase. Therefore, the time abbreviation is modified to the standard form 『a.m.』 to comply with the standard format.

error_sentence: Then, I will watch TV to relax at 11:00 am. In tne afternoon, I will go to the park with my friends.
correct_sentence: Then, I will watch TV to relax at 11:00 a.m. In the afternoon, I will go to the park with my friends.
error: am. In tne
correction: a.m. In the
error_type: Contraction Error
error_severity: 3
error_description: ① Contraction Error: According to standard English time expression format, the Latin abbreviation 〈am〉 must use two periods and be entirely in lowercase, thus corrected to 『a.m.』 to comply with the standard format; ② Spelling Error: 〈tne〉 is a misspelling of the definite article 『the』 with incorrect letter order; based on English basic vocabulary spelling rules, it is corrected to 『the』 to ensure the accuracy of the core function word.

error_sentence: On Sunday, I will clean my room at 10:00 am.
correct_sentence: On Sunday, I will clean my room at 10:00 a.m.
error: am.
correction: a.m.
error_type: Contraction Error
error_severity: 2
error_description: Contraction Error: According to standard English time expression format, 〈am〉, as the abbreviation for the Latin phrase "ante meridiem", must use two periods to separate the letters and be kept in lowercase. Therefore, the time abbreviation is modified to the standard form 『a.m.』 to comply with the standard format.

error_sentence: I will play basketball at 14:00 pm.
correct_sentence: I will play basketball at 2:00 p.m.
error: 14:00 pm.
correction: 2:00 p.m.
error_type: Number Error
error_severity: 3
error_description: ① Number Error: According to English time expression conventions, the 12-hour clock system requires converting the 24-hour format 〈14:00〉 to 『2:00』 to avoid ambiguity; ② Contraction Error: According to Rule 10.44 of the Oxford Style Manual, the Latin abbreviation 〈pm〉 must be written correctly with two periods and in lowercase as 『p.m.』, and a space should be kept between it and the number.