Writing prompt: Write a short essay titled "My next weekend." Based on the picture information, use the future tense (be going to) to introduce your plans for next weekend.

Student essay:
My next weekend, I plan visit my grandparents with my parents. I am going to cleaning my garden. I going to play computer games. I going to play football with my friends. I think next weekend I will happy!

Corrected essay:
Next weekend, I plan to visit my grandparents with my parents. I am going to clean my garden. I am going to play computer games. I am going to play football with my friends. I think next weekend I will be happy!

Error analysis:
error_sentence: My next weekend, I plan visit my grandparents with my parents.
correct_sentence: Next weekend, I plan to visit my grandparents with my parents.
error: My next
correction: Next
error_type: Word Redundancy Error
error_severity: 2
error_description: Word Redundancy Error: According to the conventional usage of English time adverbials, the time phrase 〈next weekend〉 itself implies future timing, making the possessive pronoun 〈my〉 unnecessary. Therefore, the redundant 〈my〉 is deleted, simplifying the structure to the idiomatic expression 『next weekend』, which conforms to the standard English time expression pattern 'next + time word'.

error_sentence: My next weekend, I plan visit my grandparents with my parents.
correct_sentence: Next weekend, I plan to visit my grandparents with my parents.
correction: to
error_type: Nonfinite Verb Form Error
error_severity: 2
error_description: Nonfinite Verb Form Error: According to the usage rules of the English verb 〈plan〉, it must be followed by a to-infinitive to express the planned content. Therefore, the infinitive marker 『to』 is added between 〈plan〉 and 〈visit〉 to form the standard structure 『plan to visit』, accurately conveying the meaning of 'plan to visit' and fully conforming to the fixed verb pattern 'plan to do'.

error_sentence: I am going to cleaning my garden.
correct_sentence: I am going to clean my garden.
error: cleaning
correction: clean
error_type: Nonfinite Verb Form Error
error_severity: 2
error_description: Nonfinite Verb Form Error: According to the formation rules of the 'be going to' future tense, the auxiliary phrase 〈going to〉 must be followed by the base form of the verb. Therefore, the present participle 〈cleaning〉 is corrected to the base form 『clean』, forming the standard structure 『going to clean』, accurately expressing the future meaning of 'will clean'.

error_sentence: I going to play computer games.
correct_sentence: I am going to play computer games.
correction: am
error_type: Auxiliary Error
error_severity: 2
error_description: Auxiliary Error: According to the formation rules of the English future tense (be going to), the first-person subject 〈I〉 must be paired with the linking verb 〈am〉 to form a complete tense structure. Therefore, the missing auxiliary verb 『am』 is added between 〈I〉 and 〈going〉, forming the standard structure 『I am going to』, fulfilling the semantic expression of 'I am about to...' and ensuring the completeness and accuracy of the tense structure.

error_sentence: I going to play football with my friends.
correct_sentence: I am going to play football with my friends.
correction: am
error_type: Auxiliary Error
error_severity: 2
error_description: Auxiliary Error: According to the formation rules of the English future tense (be going to), the first-person subject 〈I〉 must be paired with the linking verb 〈am〉 to form a complete tense structure. Therefore, the missing auxiliary verb 『am』 is added between 〈I〉 and 〈going〉, forming the standard structure 『I am going to』, fulfilling the semantic expression of 'I am about to...' and ensuring the completeness and accuracy of the tense structure.

error_sentence: I think next weekend I will happy!
correct_sentence: I think next weekend I will be happy!
correction: be
error_type: Verb Choice Error
error_severity: 3
error_description: Verb Choice Error: According to the formation rules of the English simple future tense, the auxiliary verb 〈will〉 must be followed by the base form of the verb 『be』 as the linking verb. Therefore, the missing linking verb 『be』 is added between 〈will〉 and 〈happy〉, forming the standard structure 『will be happy』, accurately expressing the meaning 'will be happy' and conforming to the grammatical pattern 'will + do'.