Writing prompt: Written Expression.
Following the sequence of pictures below, write a passage titled 'How to make a banana milk shake?'.
How to make a banana milk shake?
Do you like a banana milk shake? And do you know how to make it? If you don't know, let me tell you.

Student essay:
I went dink milk shake. I peel a banana. Befor, cut up banana. Put banana into the blender. Pout milk into, turn on. Can dink it

Corrected essay:
I want to drink a milk shake. Firstly, I peel a banana. Secondly, I cut up the banana and put the banana into the blender. Then, I pour milk into it, and turn it on. Finally, I can drink it.

Error analysis:
error_sentence: I went dink milk shake.
correct_sentence: I want to drink a milk shake.
error: went dink
correction: want to drink a
error_type: Verb Choice Error
error_severity: 4
error_description: ① Verb Choice Error: According to English grammar and the question prompt, the context needs to express the author's intention, but 〈went〉 is the past tense of the verb "go"; it should be changed to 『want to』 to fit the meaning; ② Spelling Error: According to the sentence meaning, 〈dink〉 is misspelled; it should mean "drink", so it should be changed to 『drink』 to fit the word meaning; ③ Noun Number Error: In most cases, "milkshake" is a countable noun and should follow singular/plural rules, so the indefinite article "a" should be added before it, meaning "a milkshake".

error_sentence: I went dink milk shake. I peel a banana.
correct_sentence: Firstly, I peel a banana.
correction: Firstly,
error_type: Adverb Error
error_severity: 3
error_description: Adverb Error: According to English grammar and sentence meaning, the original text expresses a series of actions by the author such as "drinking a milkshake", "peeling a banana", etc., which requires logical connectors to organize the text structure; therefore, the adverb 『Firstly,』 is added to conform to logical sequence and written expression conventions.

error_sentence: Befor, cut up banana.
correct_sentence: Secondly, I cut up the banana and put the banana into the blender.
error: Befor,
correction: Secondly, I
error_type: Sentence Structure Error
error_severity: 5
error_description: ① Adverb Error: According to English grammar and sentence meaning, the original text expresses a series of actions such as "cutting up the banana", "putting it into the blender", etc., which requires logical connectors to organize the text structure, and since 『Firstly』 has already been used, 〈Befor〉 is changed to 『Secondly』 to conform to logical sequence and written expression conventions; ② Sentence Structure Error: According to English grammar and sentence meaning, a complete sentence requires at least a subject and a predicate; therefore, the subject 『I』 is added to make the sentence structure complete and conform to English expression conventions.

error_sentence: Befor, cut up banana. Put banana into the blender.
correct_sentence: Secondly, I cut up the banana and put the banana into the blender.
error: banana. Put
correction: the banana and put the
error_type: Conjunction Error
error_severity: 5
error_description: ① Determiner Error: According to English grammar rules, 〈banana〉 lacks the necessary article 〈the〉; it needs to be changed to 『the banana』 for clear reference; ② Conjunction Error: According to English grammar, two parallel actions need a conjunction to connect them; therefore, 『and』 is added to ensure sentence coherence; ③ Case Error: According to English writing rules, only the first letter of a sentence should be capitalized; therefore, 〈Put〉 is changed to 〈put〉; ④ Determiner Error: According to English grammar rules, 〈banana〉 lacks the necessary article 〈the〉; it needs to be changed to 『the banana』 for clear reference.

error_sentence: Pout milk into, turn on.
correct_sentence: Then, I pour milk into it, and turn it on.
error: Pout
correction: Then, I pour
error_type: Sentence Structure Error
error_severity: 5
error_description: ① Adverb Error: According to English grammar and sentence meaning, this part expresses "I pour milk into it, then turn on the blender"; therefore, 『Then,』 needs to be added to indicate the sequence of steps; ② Sentence Structure Error: According to English grammar and sentence meaning, a complete sentence requires at least a subject and a predicate; therefore, the subject 『I』 is added to make the sentence structure complete and conform to English expression conventions; ③ Spelling Error: According to the original text, the intended action here is "pour"; therefore, 〈Pout〉 is changed to 『pour』 to fit the word meaning.

error_sentence: Pout milk into, turn on.
correct_sentence: Then, I pour milk into it, and turn it on.
error: , turn
correction: it, and turn it
error_type: Conjunction Error
error_severity: 5
error_description: ① Pronoun Error: According to English grammar, the preposition 〈into〉 requires an object 『it』 to refer to the blender; corrected to 『it, and turn it』 to complete the structure; ② Conjunction Error: According to English grammar, two clauses cannot be connected by a comma; therefore, 『and』 is added to connect the two actions; ③ Pronoun Error: According to English grammar, the phrasal verb 〈turn on〉 lacks the object 〈it〉 to refer to the object of the action; therefore, 『it』 needs to be added after 〈turn〉.

error_sentence: Can dink it
correct_sentence: Finally, I can drink it.
error: Can dink it
correction: Finally, I can drink it.
error_type: Sentence Structure Error
error_severity: 5
error_description: ① Adverb Error: According to English grammar and sentence meaning, this part expresses "I can drink it", indicating the milkshake is ready; therefore, 『Finally』 needs to be added to indicate the sequence of steps; ② Sentence Structure Error: According to English grammar, a complete sentence requires at least a subject and a predicate; therefore, 『, I』 is added to make the sentence structure complete and conform to logical expression; ③ Spelling Error: According to the sentence meaning, 〈dink〉 is a misspelling; it should be changed to 『drink』 to express the correct meaning of "drink".