Writing prompt: My Hero

Student essay:
Liu Wei is my hero, who have no arms,but ca play the piano.
He has a very very special experience. He lost his arms when he was only ten years old. He wants to be a piano player. After so much hard work,he finally managed to use his feet play on the piano, he successfully in the stage of" China' Got Talent". "Music is like water and air to me,"he said."I can't live without it."
Whatever he does,he never gives up because he has an amazing strong will.If I can encourage just person, then my job is this life is done. I tell my friends to keep on getting up when they full and to always love themselves.I will try my best to realize my dream

Corrected essay:
Liu Wei is my hero, who has no arms but can play the piano.
He has a very very special experience. He lost his arms when he was only ten years old. He wants to be a piano player. After so much hard work, he finally managed to use his feet to play the piano, and he succeeded on the stage of "China's Got Talent." "Music is like water and air to me," he said, "I can't live without it." Whatever he does, he never gives up because he has an amazingly strong will. If I can encourage just one person, then my job in this life is done. I tell my friends to keep on getting up when they fall and to always love themselves. I will try my best to realize my dream.

Error analysis:
error_sentence: Liu Wei is my hero, who have no arms,but ca play the piano.

correct_sentence: Liu Wei is my hero, who has no arms but can play the piano.

error: have
correction: has
error_type: Subject-Verb Agreement Error
error_severity: 3
error_description: Subject-Verb Agreement Error: The relative pronoun 〈who〉 refers to the third-person singular 〈Liu Wei〉, requiring the third-person singular form of the verb; therefore, 〈have〉 is changed to 『has』 to comply with subject-verb agreement rules.
error_sentence: Liu Wei is my hero, who have no arms,but ca play the piano.

correct_sentence: Liu Wei is my hero, who has no arms but can play the piano.

error: ,but ca
correction: but can
error_type: Punctuation Error
error_severity: 3
error_description: ① Punctuation Error: The coordinating conjunction 〈but〉 does not require a preceding comma, so 〈,〉 is deleted to conform to punctuation standards; ② Spelling Error: According to the sentence's meaning, the intention is to express 'can', thus 〈ca〉 is a misspelling of 『can』 and needs to be corrected to 『can』 for the sentence to make sense.
error_sentence: After so much hard work,he finally managed to use his feet play on the piano, he successfully in the stage of" China' Got Talent".
correct_sentence: After so much hard work, he finally managed to use his feet to play the piano, and he succeeded on the stage of "China's Got Talent."
error: play on
correction: to play
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: The structure used here is 'manage to do', so 〈play on〉 is changed to 『to play』 to comply with grammatical rules.
error_sentence: After so much hard work,he finally managed to use his feet play on the piano, he successfully in the stage of" China' Got Talent".
correct_sentence: After so much hard work, he finally managed to use his feet to play the piano, and he succeeded on the stage of "China's Got Talent."
error: he successfully in
correction: and he succeeded on
error_type: Sentence Structure Error
error_severity: 4
error_description: ① Conjunction Error: 〈After so much hard work,he finally managed to use his feet play on the piano〉 and 〈he successfully in the stage of" China' Got Talent"〉 contain independent subject-verb structures and can be independent clauses, so 『and』 is added before 〈he〉 to make the sentence coherent; ② Sentence Structure Error: A predicate verb is missing here, so 〈successfully〉 is changed to 『succeeded』 to comply with grammatical rules; ③ Preposition Error: 'On the stage' requires the preposition 『on』, so 〈in〉 is changed to 『on』 to comply with grammatical rules.
error_sentence: After so much hard work,he finally managed to use his feet play on the piano, he successfully in the stage of" China' Got Talent".
correct_sentence: After so much hard work, he finally managed to use his feet to play the piano, and he succeeded on the stage of "China's Got Talent."
error: '
correction: 's
error_type: Noun Possessive Error
error_severity: 3
error_description: Noun Possessive Error: The program name 〈China Got Talent〉 needs to be in the possessive form to indicate a relationship of belonging, so 〈'〉 is changed to 『's』 to comply with grammatical rules.
error_sentence: After so much hard work,he finally managed to use his feet play on the piano, he successfully in the stage of" China' Got Talent".
correct_sentence: After so much hard work, he finally managed to use his feet to play the piano, and he succeeded on the stage of "China's Got Talent."
error: ".
correction: ."
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: The period at the end of a direct quotation should be placed inside the quotation marks, so 〈".〉 is changed to 『."』 to conform to punctuation standards.
error_sentence: "Music is like water and air to me,"he said. "I can't live without it.
correct_sentence: "Music is like water and air to me," he said, "I can't live without it."
error: me,"he said."I
correction: me," he said, "I
error_type: Punctuation Error
error_severity: 3
error_description: ① Space Error: A space needs to be added after the quotation mark to separate the dialogue from the narrative part, so 〈me,"he〉 is changed to 『me," he』 to conform to punctuation standards; ② Punctuation Error: A comma should be used after 〈said〉 to comply with dialogue introduction standards, so 〈said."I〉 is changed to 『said, "I』 to conform to punctuation standards.
error_sentence: "

correct_sentence: "Music is like water and air to me," he said, "I can't live without it." Whatever he does, he never gives up because he has an amazingly strong will.
error: 

error_sentence: Whatever he does,he never gives up because he has an amazing strong will.
correct_sentence: Whatever he does, he never gives up because he has an amazingly strong will.
error: amazing
correction: amazingly
error_type: PoS Confusion Error
error_severity: 3
error_description: PoS Confusion Error: An adverb 『amazingly』 should be used here to modify the adjective 〈strong〉, so 〈amazing〉 is changed to 『amazingly』 to comply with grammatical rules.
error_sentence: If I can encourage just person, then my job is this life is done.
correct_sentence: If I can encourage just one person, then my job in this life is done.
correction: one
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: The phrase 〈just person〉 in the sentence lacks an appropriate determiner; 『one』 should be added to specify the quantity, meaning 'if I can encourage one person', so 『one』 is added after 〈just〉 to correctly express the meaning.
error_sentence: If I can encourage just person, then my job is this life is done.
correct_sentence: If I can encourage just one person, then my job in this life is done.
error: is
correction: in
error_type: Preposition Error
error_severity: 2
error_description: Preposition Error: The preposition 『in』 should be used here to express the time frame 『in this life』, so 〈is〉 is changed to 『in』 to comply with grammatical rules.
error_sentence: I tell my friends to keep on getting up when they full and to always love themselves.
correct_sentence: I tell my friends to keep on getting up when they fall and to always love themselves.
error: full
correction: fall
error_type: Verb Choice Error
error_severity: 3
error_description: Verb Choice Error: 〈full〉 (adjective) does not fit the context logically; according to the meaning of 'getting up after falling down' in the context, the verb 『fall』 should be used here, so 〈full〉 is changed to 『fall』 to correctly express the meaning.
error_sentence: I will try my best to realize my dream
correct_sentence: I will try my best to realize my dream.
correction: .
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: 〈I will try my best to realize my dream〉 is a declarative sentence and is complete, so a period 『.』 is added after 〈dream〉 to conform to punctuation standards.