Writing prompt: Parrots Make the Best Pets

Student essay:
Have you ever heard of a kind of animal called parrots? They make good pets because of lots of reasons.
First, parrots can live for a long time, they can live for about 50 years.
Second, parrots can think about your thought easily, for example, they can make you happy by saying some interesting words.
Third, parrots are very clever, they can speak, and they can bring you lots of happiness by talking with you.
I think parrots make the best pets is because they are smart and they are easy to take care of. Why not keep a parrot as a pet now? I am sure they can bing you lots of happiness.

Corrected essay:
Have you ever heard of a kind of animal called parrots? They make good pets because of lots of reasons.
First, parrots can live for a long time. They can live for about 50 years.
Second, parrots can think about your thought easily. For example, they can make you happy by saying some interesting words.
Third, parrots are very clever. They can speak, and they can bring you lots of happiness by talking with you.
I think parrots make the best pets because they are smart and they are easy to take care of. Why not keep a parrot as a pet now? I am sure they can bring you lots of happiness.

Error analysis:
error_sentence: First, parrots can live for a long time, they can live for about 50 years.

correct_sentence: First, parrots can live for a long time. They can live for about 50 years.

error: , they
correction: . They
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: According to English writing conventions, two independent clauses 〈parrots can live for a long time〉 and 〈they can live for about 50 years〉 cannot be connected by only a comma; they need to be separated by a period into two independent sentences. Therefore, 〈, they〉 is changed to 『. They』 to avoid a comma splice error and maintain clarity.
error_sentence: Second, parrots can think about your thought easily, for example, they can make you happy by saying some interesting words.

correct_sentence: Second, parrots can think about your thought easily. For example, they can make you happy by saying some interesting words.

error: , for
correction: . For
error_type: Punctuation Error
error_severity: 2
error_description: ① Punctuation Error: According to English writing conventions, two complete sentences cannot be connected by only a comma. In the original sentence, 〈parrots can think about your thought easily〉 and 〈for example, they can make you happy by saying some interesting words〉 are two independent sentences; 〈, for〉 should be changed to 『. For』 to make the sentence structure clear and conform to punctuation rules; ② Case Error: According to English writing conventions, the first letter of a word at the beginning of a sentence needs to be capitalized. In the original sentence, 〈for〉 is at the beginning of a sentence, so its first letter should be capitalized, changing 〈for〉 to 『For』 to follow English capitalization rules.
error_sentence: Third, parrots are very clever, they can speak, and they can bring you lots of happiness by talking with you.

correct_sentence: Third, parrots are very clever. They can speak, and they can bring you lots of happiness by talking with you.

error: , they
correction: . They
error_type: Punctuation Error
error_severity: 2
error_description: ① Punctuation Error: According to English writing conventions, two independent clauses 〈parrots are very clever〉 and 〈they can speak...〉 cannot be connected by a comma; a period should be used for separation. Therefore, 〈, they〉 is changed to 『. They』 to correct the comma splice issue; ② Case Error: According to English writing conventions, the first letter of a word at the beginning of a sentence needs to be capitalized. As 〈they〉 is at the beginning of a sentence, its lowercase first letter should be changed to uppercase, i.e., changing 〈they〉 to 『They』.
error_sentence: I think parrots make the best pets is because they are smart and they are easy to take care of.
correct_sentence: I think parrots make the best pets because they are smart and they are easy to take care of.
error: is
error_type: Word Redundancy Error
error_severity: 3
error_description: Word Redundancy Error: According to the sentence structure, “I think” is followed by the object clause “parrots make the best pets”, and “because” introduces an adverbial clause of reason. The redundant 〈is〉 in the original sentence causes structural confusion. Delete 〈is〉 to make the sentence conform to the “main clause + because-clause” logical relationship and avoid word redundancy.
error_sentence: I am sure they can bing you lots of happiness.
correct_sentence: I am sure they can bring you lots of happiness.
error: bing
correction: bring
error_type: Spelling Error
error_severity: 2
error_description: Spelling Error: According to the meaning of the sentence, the intention here is to express “bring”. Therefore, 〈bing〉 is a misspelling of 『bring』; 〈bing〉 needs to be changed to 『bring』 to make the sentence coherent.