Writing prompt: The weekend is coming. Classmates, what are you planning to do? Using the given vocabulary and sentence patterns, and referring to the picture, write a short essay of about 60 words about your plans for the weekend.
Writing hints: be going to; do cleaning; visit grandparents; have a good time

Student essay:
The weekend is coming, what are students going to do? I am looking forward to the weekend. On Saturday morning, I will get up early. I am going to do my homework at 8:30. And my mother will help me with my homework. After lunch, I am going to do cleaning with my mother. The room would be very tidy. On Sunday, my family is going to visit my grandparents. They miss my family very much. we would have a big and delicious lunch. In the afternoon, my family is going to fly kites, it is very fun. we have a good time !

Corrected essay:
The weekend is coming. What are students going to do? I am looking forward to the weekend. On Saturday morning, I will get up early. I am going to do my homework at 8:30. And my mother will help me with my homework. After lunch, I am going to do cleaning with my mother. The room will be very tidy. On Sunday, my family is going to visit my grandparents. They miss my family very much. We will have a big and delicious lunch. In the afternoon, my family is going to fly kites. It will be very fun. We will have a good time!

Error analysis:
error_sentence: The weekend is coming, what are students going to do?
correct_sentence: The weekend is coming. What are students going to do?
error: , what
correction: . What
error_type: Punctuation Error
error_severity: 3
error_description: ① Punctuation Error: 〈The weekend is coming〉 and 〈what are students going to do〉 contain independent predicate structures/subject-verb structures and can stand as separate sentences. In English grammar, sentences should be separated by a period 『.』, not simply connected by a comma 〈,〉; ② Case Error: After sentence segmentation, the interrogative sentence 〈what are students going to do〉 is a complete independent sentence, so its first letter needs to be capitalized, meaning 〈what〉 should be changed to the capitalized form 『What』.
error_sentence: The room would be very tidy.
correct_sentence: The room will be very tidy.
error: would
correction: will
error_type: Verb Tense Error
error_severity: 3
error_description: Verb Tense Error: According to the entire passage, the simple future tense is used throughout. Therefore, when describing the future action in the original sentence 〈The room would be tidy〉, the auxiliary verb should be in the simple future tense 『will』, not the past future tense 〈would〉. Thus, 〈would〉 is changed to 『will』 to maintain tense consistency.
error_sentence: we would have a big and delicious lunch.
correct_sentence: We will have a big and delicious lunch.
error: we would
correction: We will
error_type: Verb Tense Error
error_severity: 4
error_description: ① Case Error: Since this is an independent declarative sentence, the pronoun 〈we〉 at the beginning of the sentence needs to be capitalized as 『We』 to comply with English writing conventions; ② Verb Tense Error: According to the context, this sentence 〈we would have a big and delicious lunch.〉 describes a planned future action, so the predicate verb needs to be in the simple future tense, meaning 〈would〉 should be changed to 『will』.
error_sentence: In the afternoon, my family is going to fly kites, it is very fun.
correct_sentence: In the afternoon, my family is going to fly kites. It will be very fun.
error: , it is
correction: . It will be
error_type: Verb Tense Error
error_severity: 4
error_description: ① Punctuation Error: The sentences 〈my family is going to fly kites〉 and 〈it is very fun〉 are two independent declarative sentences and should be separated by a period 『.』, not connected by a comma 〈,〉; ② Case Error: When 〈it is very fun.〉 functions as an independent sentence, the initial pronoun 〈it〉 needs to be capitalized as 『It』; ③ Verb Tense Error: According to the tense of the text, this sentence should be in the simple future tense, but 〈is〉 indicates the present tense, which does not match the future scenario described; it needs to be changed to 『will be』 to maintain consistency with the context's tense.
error_sentence: we have a good time !
correct_sentence: We will have a good time!
error: we
correction: We will
error_type: Verb Tense Error
error_severity: 3
error_description: ① Case Error: According to English writing conventions, when the pronoun 〈we〉 is at the beginning of an independent sentence, its first letter needs to be capitalized as 『We』; ② Verb Tense Error: According to the tense of the text, this sentence should be in the simple future tense, whereas 〈we have a good time !〉 indicates the simple present tense, which does not align with the simple future tense requirement of the original text and prompt; therefore, 〈we have〉 needs to be changed to 『We will have』 to maintain tense consistency with the context.