Writing prompt: Using the given vocabulary and sentence patterns, and referring to the table, write a short essay.
Gao Feng is a football fan. He owns four footballs and many photos of soccer stars, but he never plays football; he only watches games on TV. He has two friends, Mike and Dave. Based on the table hints, introduce the hobbies of Gao Feng and his two friends in about 50 words.
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Student essay:
Gao Feng likes football, but he isn't play football. He has four football. Mike likes playing football, but he doesn't like playing ping-pong. He fell it boring. Dave likes playing soccer, but he doesn't like playing baseball he fell is difficult.

Corrected essay:
Gao Feng likes football, but he doesn't play football. He has four footballs. Mike likes playing football, but he doesn't like playing ping-pong. He finds it boring. Dave likes playing soccer, but he doesn't like playing baseball because he finds it difficult.

Error analysis:
error_sentence: Gao Feng likes football, but he isn't play football.
correct_sentence: Gao Feng likes football, but he doesn't play football.
error: is
correction: does
error_type: Auxiliary Error
error_severity: 3
error_description: Auxiliary Error: According to English grammar rules, negative sentences require an auxiliary verb to form the negative structure. The auxiliary verb 〈is〉 in the original sentence indicates state, while the verb 〈play〉 in the negative sentence requires the auxiliary verb 〈do〉 to form the negative structure; therefore, 〈is〉 needs to be changed to 『does』 to conform to the standard negative sentence structure.
error_sentence: He has four football.
correct_sentence: He has four footballs.
error: football
correction: footballs
error_type: Noun Number Error
error_severity: 3
error_description: Noun Number Error: According to English grammar rules, the noun 〈football〉 in the original sentence should be in the plural form 『footballs』 to agree with the number 〈four〉; therefore, 〈football〉 should be changed to 『footballs』 to comply with English grammar rules.
error_sentence: He fell it boring.
correct_sentence: He finds it boring.
error: fell
correction: finds
error_type: Verb Choice Error
error_severity: 4
error_description: Verb Choice Error: Based on the context, the sentence here means 'finds'. The word 〈fell〉 in the original sentence means 'to fall down', which does not fit the meaning; therefore, 〈fell〉 needs to be changed to 『finds』 to match the context.
error_sentence: Dave likes playing soccer, but he doesn't like playing baseball he fell is difficult.
correct_sentence: Dave likes playing soccer, but he doesn't like playing baseball because he finds it difficult.
error: he fell is
correction: because he finds it
error_type: Conjunction Error
error_severity: 5
error_description: ① Conjunction Error: According to English grammatical structure, the two independent clauses 〈he doesn't like playing baseball〉 and 〈he fell is difficult〉 lack a logical connective word; therefore, 『because』 is added between them to indicate a causal relationship; ② Verb Choice Error: Based on the context, the sentence here means 'finds'. The word 〈fell〉 in the original sentence means 'to fall down', which does not fit the meaning; therefore, 〈fell〉 needs to be changed to 『finds』 to match the context; ③ Sentence Structure Error: According to the intended meaning, the sentence aims to express 'it is difficult', so the object pronoun 『it』 needs to be added before the adjective 〈difficult〉 in the original sentence to refer to 〈baseball〉, conforming to the intended meaning.