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:
Weekend morning, I am going to visit my grandparents this weekend. We ask grandparents for help clean. My grandparents still we go take kait. We have a good time . Because I think weekend is a good relaxed time. Afternoon, I is going to do homework. Evering, I can watch some TV. Because it is a good way to relaxed

Corrected essay:
On the morning of this weekend, I am going to visit my grandparents. I ask my grandparents for help with cleaning. My grandparents will still take me to fly kites. We will have a good time. Because I think the weekend is a good time to relax. In the afternoon, I am going to do homework. In the evening, I can watch some TV. Because it is a good way to relax.

Error analysis:
error_sentence: Weekend morning, I am going to visit my grandparents this weekend.
correct_sentence: On the morning of this weekend, I am going to visit my grandparents.
error: Weekend morning
correction: On the morning of this weekend
error_type: Preposition Error
error_severity: 3
error_description: Sentence Structure Error: Based on the original sentence's meaning, 〈Weekend morning〉 intends to express 'on the morning of a specific weekend', but it lacks necessary determiners, making it non-standard English. It should be changed to 『On the morning of this weekend』 to clarify the time expression and correct the sentence structure.

error_sentence: Weekend morning, I am going to visit my grandparents this weekend. We ask grandparents for help clean.
correct_sentence: On the morning of this weekend, I am going to visit my grandparents. I ask my grandparents for help with cleaning.
error: this weekend. We ask
correction: . I ask my
error_type: Word Redundancy Error
error_severity: 5
error_description: ① Word Redundancy Error: The time 『On the morning of this weekend』 has already been mentioned, so the redundant 〈this weekend〉 in 『I am going to visit my grandparents this weekend.』 should be deleted for conciseness; ② Pronoun Error: According to the original text, the subject here should be consistent with the previous subject 〈I〉, so 〈We〉 in this sentence needs to be changed to 『I』; ③ Determiner Error: According to the original text, it refers to 'my grandparents', so the determiner 『my』 is missing before 〈grandparents〉 in the original English sentence and needs to be added to clarify the relationship between the grandparents and the subject.

error_sentence: We ask grandparents for help clean.
correct_sentence: I ask my grandparents for help with cleaning.
error: clean
correction: with cleaning
error_type: Preposition Error
error_severity: 3
error_description: Preposition Error: According to the English verb phrase, 'help sb. with sth.' means 'to help someone do something', the preposition 『with』 needs to be added to the original sentence. Additionally, the verb 〈clean〉 after 'help' is incorrect in terms of part of speech and needs to be changed to the gerund 『cleaning』, resulting in the final correction 『help with cleaning』.

error_sentence: My grandparents still we go take kait.
correct_sentence: My grandparents will still take me to fly kites.
error: still we go take kait
correction: will still take me to fly kites
error_type: Sentence Structure Error
error_severity: 5
error_description: ① Spelling Error: According to English writing conventions, 〈kait〉 should be corrected to 『kites』 to match the correct spelling, meaning 'kites'; ② Sentence Structure Error: The word order in the original phrase 〈still we go take kait〉 is confused and needs to be adjusted to 『will still take me to fly kites』 to conform to standard English expression; ③ Pronoun Error: Add 『me』 to clarify the object of the action. still should be a spelling error.

error_sentence: We have a good time .
correct_sentence: We will have a good time.
correction: will
error_type: Verb Tense Error
error_severity: 3
error_description: Verb Tense Error: According to English grammar rules, the structure for the simple future tense is 'will + base verb'. The auxiliary verb 『will』 indicating future tense is missing here. The original verb 〈have〉 should be changed to 『will have』 to align with the contextual tense logic.

error_sentence: Because I think weekend is a good relaxed time.
correct_sentence: Because I think the weekend is a good time to relax.
correction: the
error_type: Determiner Error
error_severity: 3
error_description: Determiner Error: According to English grammar, the necessary determiner 『the』 is omitted before the singular countable noun 〈weekend〉. Therefore, 『the』 needs to be added to conform to standard English expression.

error_sentence: Because I think weekend is a good relaxed time. Afternoon, I is going to do homework.
correct_sentence: Because I think the weekend is a good time to relax. In the afternoon, I am going to do homework.
error: relaxed time. Afternoon
correction: time to relax. In the afternoon
error_type: Sentence Structure Error
error_severity: 5
error_description: ① Sentence Structure Error: According to English expression habits and sentence structure rules, the correct expression for 'a relaxing time' should use the infinitive 『to relax』 as a post-modifier for 〈time〉, not the pre-modifying adjective 〈relaxed〉. Therefore, 〈relaxed time〉 should be changed to 『time to relax』; ② Preposition Error: According to English grammatical structure, the time adverbial 〈Afternoon〉 cannot be used alone; it requires 『In the』 before it to mean 'in the afternoon' when placed at the beginning of the sentence as a time adverbial.

error_sentence: Afternoon, I is going to do homework.
correct_sentence: In the afternoon, I am going to do homework.
error: is
correction: am
error_type: Subject-Verb Agreement Error
error_severity: 3
error_description: Subject-Verb Agreement Error: The subject 〈I〉 is first-person singular, which does not agree in number and person with the verb 〈is〉. Therefore, 〈is〉 needs to be changed to 『am』 to follow the subject-verb agreement rule.

error_sentence: Evering, I can watch some TV.
correct_sentence: In the evening, I can watch some TV.
error: Evering
correction: In the evening
error_type: Preposition Error
error_severity: 3
error_description: ① Preposition Error: According to the original sentence, this part expresses 'in the evening' as a time adverbial placed at the beginning of the sentence, but 『evening』 cannot be used alone as a time adverbial; it needs to be changed to 『In the evening』; ② Spelling Error: Based on the sentence's meaning, the intention is to express 'evening'. Thus, 〈Evering〉 is a spelling error for 『evening』 and should be corrected to 『evening』.

error_sentence: Because it is a good way to relaxed
correct_sentence: Because it is a good way to relax.
error: relaxed
correction: relax.
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: According to English grammar rules, the infinitive structure 〈to〉 must be followed by the base form of the verb 『relax』. However, 〈relaxed〉 is the past participle form, which does not comply with the grammar rule. Therefore, 〈relaxed〉 should be changed to 『relax』.