Writing prompt: Meet an Alien

Student essay:
One day, I was eating lunch in the canteen. When I gone, I meet an alien. He looked very cute. He had small eyes, small nose and small mouth. We talked with each other and we were friends. But when I was talking. He did not understand what I said. I felt very embarrassed. At night, he had dinner in my house and I knew something . He ate food with tongue. It made me feet horrible.
Next morning. When I got up. I did not see him any more. It likes nothing had happened to me before.

Corrected essay:
One day, I was eating lunch in the canteen. When I left, I met an alien. He looked very cute. He had small eyes, a small nose and a small mouth. We talked with each other and became friends. But when I was talking, he did not understand what I said. I felt very embarrassed. At night, he had dinner at my house and I learned something. He ate food with his tongue. It made me feel horrible.
The next morning, when I got up, I did not see him anymore. It felt like nothing had happened to me before.

Error analysis:
error_sentence: When I gone, I meet an alien.
correct_sentence: When I left, I met an alien.
error: gone
correction: left
error_type: Verb Choice Error
error_severity: 3
error_description: Verb Choice Error: Based on the context, the intention here is to express the action of leaving; the original sentence's use of 〈gone〉 does not fit the semantic requirement and should be changed to 『left』 to accurately convey the meaning.

error_sentence: When I gone, I meet an alien.
correct_sentence: When I left, I met an alien.
error: meet
correction: met
error_type: Verb Tense Error
error_severity: 3
error_description: Verb Tense Error: Based on the context, this describes a past event and should use the past tense; therefore, 〈meet〉 is changed to the past tense 『met』 to match the past narrative time frame.

error_sentence: He had small eyes, small nose and small mouth.
correct_sentence: He had small eyes, a small nose and a small mouth.
correction: a
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English expression habits, the singular countable noun 〈small nose〉 requires the article 『a』 before it to conform to English grammar rules and expression habits.

error_sentence: He had small eyes, small nose and small mouth.
correct_sentence: He had small eyes, a small nose and a small mouth.
correction: a
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English expression habits, the singular countable noun 〈small mouth〉 requires the article 『a』 before it to conform to English grammar rules and expression habits.

error_sentence: We talked with each other and we were friends.
correct_sentence: We talked with each other and became friends.
error: we were
correction: became
error_type: Verb Choice Error
error_severity: 3
error_description: Verb Choice Error: Based on the context, the intention here is to express 'becoming friends'; the original sentence's use of 〈we were〉 indicates a state and does not fit the semantic requirement, so it should be changed to 『became』 to accurately convey the meaning.

error_sentence: But when I was talking. He did not understand what I said.
correct_sentence: But when I was talking, he did not understand what I said.
error: . He
correction: , he
error_type: Punctuation Error
error_severity: 1
error_description: Punctuation Error: According to English writing conventions, the adverbial clause of time 〈when I was talking〉 needs to be separated from the main clause 〈he did not understand〉 by a comma; therefore, the period is changed to a comma to maintain sentence coherence.

error_sentence: At night, he had dinner in my house and I knew something .
correct_sentence: At night, he had dinner at my house and I learned something.
error: in
correction: at
error_type: Preposition Error
error_severity: 2
error_description: Preposition Error: According to English expression habits, to indicate the specific location 〈my house〉, the preposition 『at』 should be used instead of 〈in〉; therefore, 〈in〉 is changed to 『at』 to conform to English expression habits.

error_sentence: At night, he had dinner in my house and I knew something .
correct_sentence: At night, he had dinner at my house and I learned something.
error: knew
correction: learned
error_type: Verb Choice Error
error_severity: 3
error_description: Verb Choice Error: Based on the context, the intention here is to express the action of 'learning something'; the original sentence's use of 〈knew〉 does not fit the semantic requirement and should be changed to 『learned』 to accurately convey the meaning.

error_sentence: He ate food with tongue.
correct_sentence: He ate food with his tongue.
correction: his
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English expression habits, the singular countable noun 〈tongue〉 requires the determiner 『his』 before it to clarify possession and avoid ambiguity.

error_sentence: It made me feet horrible.

correct_sentence: It made me feel horrible.

error: feet
correction: feel
error_type: Spelling Error
error_severity: 1
error_description: Spelling Error: According to the sentence meaning, the intention here is to express 'to feel'; therefore, 〈feet〉 is a misspelling of 『feel』 and needs to be changed to 『feel』 to make the sentence coherent.

error_sentence: Next morning. When I got up.
correct_sentence: The next morning, when I got up, I did not see him anymore.
error: Next morning. When
correction: The next morning, when
error_type: Determiner Error
error_severity: 3
error_description: ① Determiner Error: According to English expression habits, the time phrase 〈next morning〉 requires the definite article 『the』 before it to conform to standard expression; ② Punctuation Error: According to English writing conventions, when 〈Next morning〉 acts as an adverbial of time, it needs to be connected to the clause 〈when I got up〉 with a comma.

error_sentence: When I got up.
correct_sentence: The next morning, when I got up, I did not see him anymore.
error: .
correction: ,
error_type: Punctuation Error
error_severity: 1
error_description: Punctuation Error: According to English writing conventions, the adverbial clause of time 〈when I got up〉 needs to be connected to the main clause with a comma; therefore, the period is changed to a comma 『,』 to maintain sentence coherence.

error_sentence: I did not see him any more.
correct_sentence: The next morning, when I got up, I did not see him anymore.
error: any more
correction: anymore
error_type: Space Error
error_severity: 1
error_description: Space Error: The adverb 『anymore』 is a single word and does not require a space in between; therefore, 〈any more〉 is changed to 『anymore』 to conform to standard English spelling rules.

error_sentence: It likes nothing had happened to me before.
correct_sentence: It felt like nothing had happened to me before.
error: likes
correction: felt like
error_type: Verb Choice Error
error_severity: 3
error_description: Verb Choice Error: Based on the context, the intention here is to express the metaphorical meaning of 'as if' or 'it seemed like'; the original sentence's use of 〈likes〉 does not fit the semantic requirement and should be changed to 『felt like』 to correctly express the action of feeling.