Writing prompt: Welcome to China

Student essay:
Firstly,I show a great welcome standing for Class 1 Grade 11 for your coming as an exchange student.
Secondly,TianJin is really different from Amercia whatever weather or culture.Although TianJin close to the sea,it'salso very hot in summer, and freezing in winter.For culture,TianJin's traditional atmospher is more strong than China town in Amercia.At the same time, Tianjin is also a fastion city in the world.
Thirdly,there are some information about our class following.There.are.50 students in our class which contain different kinds of boys and girls who are active or shy.But they all esay to access and warm heat.
Finally,we are looking forward to making friends with Amercia students,and it is thankful for you,if you tell your experience in China to your friends or invite them coming to China.
In all,wish you have a good time in China.

Corrected essay:
Firstly, I show a great welcome standing for Class 1 Grade 11 for your coming as an exchange student.
Secondly, Tianjin is really different from America whether in weather or culture. Although Tianjin is close to the sea, it's also very hot in summer and freezing in winter. For culture, Tianjin's traditional atmosphere is stronger than that of Chinatown in America. At the same time, Tianjin is also a fashionable city in the world.
Thirdly, there is some information about our class as follows. There are 50 students in our class which includes different kinds of boys and girls who are active or shy. But they are all easy to approach and warm-hearted.
Finally, we are looking forward to making friends with American students, and we would be thankful if you tell your experience in China to your friends or invite them to come to China.
In all, wish you have a good time in China.

Error analysis:
error_sentence: Secondly,TianJin is really different from Amercia whatever weather or culture.
correct_sentence: Secondly, Tianjin is really different from America whether in weather or culture.
error: TianJin
correction: Tianjin
error_type: Case Error
error_severity: 1
error_description: Case Error: According to the writing rules for Chinese Pinyin place names in English, place names should be written as one word with the first letter capitalized and the rest in lowercase. In the original sentence, the 〈J〉 in 〈TianJin〉 should not be capitalized; the correct spelling should be 『Tianjin』. Modify 〈TianJin〉 to 『Tianjin』 to conform to English standards.

error_sentence: Secondly,TianJin is really different from Amercia whatever weather or culture.
correct_sentence: Secondly, Tianjin is really different from America whether in weather or culture.
error: Amercia whatever
correction: America whether in
error_type: Conjunction Error
error_severity: 3
error_description: ① Spelling Error: According to the sentence meaning, it intends to express 'America', so 〈Amercia〉 is a misspelling of 『America』; 〈Amercia〉 needs to be changed to 『America』; ② Conjunction Error: The usage of 〈whatever〉 is not suitable for expressing a choice relationship; according to English expression habits, it should be changed to the fixed phrase 『whether in』 to introduce the scope of comparison, making the sentence logically correct.

error_sentence: Although TianJin close to the sea,it'salso very hot in summer, and freezing in winter.
correct_sentence: Although Tianjin is close to the sea, it's also very hot in summer and freezing in winter.
error: TianJin
correction: Tianjin is
error_type: Sentence Structure Error
error_severity: 4
error_description: ① Sentence Structure Error: The subordinate clause introduced by the subordinating conjunction 〈Although〉 lacks a predicate verb; according to English grammar rules, 『is』 needs to be added after 〈Tianjin〉 to form a complete subject-verb structure 『Tianjin is close to the sea』; ② Case Error: According to the writing rules for place names in English, the first letter of the place name 〈TianJin〉 should be capitalized, and the remaining letters should be lowercase; the correct spelling is 『Tianjin』.

error_sentence: Although TianJin close to the sea,it'salso very hot in summer, and freezing in winter.
correct_sentence: Although Tianjin is close to the sea, it's also very hot in summer and freezing in winter.
error: it'salso
correction: it's also
error_type: Space Error
error_severity: 1
error_description: Space Error: According to English writing conventions, a necessary space should be kept between the contraction 〈it's〉 and the adverb 〈also〉. The original sentence 〈it'salso〉 lacks a space and should be modified to 『it's also』 to conform to writing conventions.

error_sentence: Although TianJin close to the sea,it'salso very hot in summer, and freezing in winter.
correct_sentence: Although Tianjin is close to the sea, it's also very hot in summer and freezing in winter.
error: ,
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: According to English grammar rules, no comma is needed to separate the parallel adjective phrases 〈hot in summer〉 and 〈freezing in winter〉. The comma 〈,〉 in the original sentence is redundant and should be deleted to make the sentence more concise and fluent.

error_sentence: For culture,TianJin's traditional atmospher is more strong than China town in Amercia.
correct_sentence: For culture, Tianjin's traditional atmosphere is stronger than that of Chinatown in America.
error: TianJin
correction: Tianjin
error_type: Case Error
error_severity: 1
error_description: Case Error: According to English writing conventions, the first letter of the place name 〈TianJin〉 should be capitalized, and the remaining letters should be lowercase. The spelling of 〈TianJin〉 in the original sentence does not meet the requirement and should be changed to 『Tianjin』 to conform to English place name writing conventions.

error_sentence: For culture,TianJin's traditional atmospher is more strong than China town in Amercia.
correct_sentence: For culture, Tianjin's traditional atmosphere is stronger than that of Chinatown in America.
error: atmospher is more strong than China town in Amercia
correction: atmosphere is stronger than that of Chinatown in America
error_type: Adjective Error
error_severity: 4
error_description: ① Spelling Error: According to the sentence meaning, it intends to express 'atmosphere', so 〈atmospher〉 is a misspelling of 『atmosphere』; according to the sentence meaning, it intends to express 'America', so 〈Amercia〉 is a misspelling of 『America』; ② Adjective Error: 〈more strong〉 does not conform to the comparative form of adjectives and should be changed to 『stronger』; ③ Determiner Error: In the comparative structure, 『that of』 needs to be added to refer to the object of comparison, making the sentence logically clear; ④ Case Error: 〈China town〉 is a fixed phrase and should be changed to 『Chinatown』.

error_sentence: At the same time, Tianjin is also a fastion city in the world.

correct_sentence: At the same time, Tianjin is also a fashionable city in the world.

error: fastion
correction: fashionable
error_type: Spelling Error
error_severity: 2
error_description: Spelling Error: According to the sentence meaning, it intends to express 'fashionable', used to modify 『city』, so 〈fastion〉 is a misspelling of 『fashionable』; 〈fastion〉 needs to be changed to 『fashionable』 to make the sentence meaning smooth.

error_sentence: Thirdly,there are some information about our class following.
correct_sentence: Thirdly, there is some information about our class as follows.
error: are
correction: is
error_type: Subject-Verb Agreement Error
error_severity: 3
error_description: Subject-Verb Agreement Error: When the uncountable noun 〈information〉 is the subject, the predicate verb needs to be in the singular form. In the original sentence, 〈are〉 does not agree with the number of the subject and should be changed to 『is』.

error_sentence: Thirdly,there are some information about our class following. There.are.50 students in our class which contain different kinds of boys and girls who are active or shy.
correct_sentence: Thirdly, there is some information about our class as follows. There are 50 students in our class which includes different kinds of boys and girls who are active or shy.
error: following.There.are.50
correction: as follows. There are 50
error_type: Conjunction Error
error_severity: 3
error_description: ① Conjunction Error: According to English expression habits, the use of 〈following〉 in the original sentence is incorrect and should be changed to the fixed conjunction expression 『as follows』 to introduce subsequent content; ② Punctuation Error: In the original sentence 〈There.are.50〉, the period between 〈There.are〉 is redundant, causing a chaotic sentence structure; the redundant period should be removed; ③ Space Error: The original sentence 〈There.are.50〉 lacks necessary spaces and should be changed to 『There are 50』.

error_sentence: There.are.50 students in our class which contain different kinds of boys and girls who are active or shy.
correct_sentence: There are 50 students in our class which includes different kinds of boys and girls who are active or shy.
error: contain
correction: includes
error_type: Verb Choice Error
error_severity: 3
error_description: Verb Choice Error: According to the sentence meaning, the verb 〈contain〉 means to hold something within, while the text needs to express that the whole includes individuals; using 『includes』 is more semantically appropriate. Therefore, 〈contain〉 in the original sentence is a verb choice error and should be changed to 『includes』.

error_sentence: But they all esay to access and warm heat.

correct_sentence: But they are all easy to approach and warm-hearted.

error: all esay to access
correction: are all easy to approach
error_type: Sentence Structure Error
error_severity: 4
error_description: ① Sentence Structure Error: According to English grammar rules, the subject-copula-predicative structure lacks a copula verb; the original sentence 〈they all easy to access〉 is missing 'are', and 『are』 needs to be added to maintain a complete sentence structure; ② Spelling Error: According to the sentence meaning, it intends to express 'easy', so 〈esay〉 is a misspelling of 『easy』; 〈esay〉 needs to be changed to 『easy』 to make the sentence meaning smooth; ③ Verb Choice Error: According to the sentence meaning, the semantics of 〈access〉 do not fit the context and should be changed to 『approach』 to accurately express the meaning of 'to get along with'.

error_sentence: But they all esay to access and warm heat.

correct_sentence: But they are all easy to approach and warm-hearted.

error: heat
correction: -hearted
error_type: PoS Confusion Error
error_severity: 3
error_description: PoS Confusion Error: According to the sentence meaning, 〈warm heat〉 is an incorrect expression and should be changed to the adjective 『warm-hearted』 to express 'warm-hearted'.

error_sentence: Finally,we are looking forward to making friends with Amercia students,and it is thankful for you,if you tell your experience in China to your friends or invite them coming to China.

correct_sentence: Finally, we are looking forward to making friends with American students, and we would be thankful if you tell your experience in China to your friends or invite them to come to China.

error: Amercia
correction: American
error_type: Spelling Error
error_severity: 2
error_description: Spelling Error: According to the sentence meaning, it intends to express 'American', modifying 'students', so 〈Amercia〉 is a misspelling of 『American』; 〈Amercia〉 needs to be changed to 『American』.

error_sentence: Finally,we are looking forward to making friends with Amercia students,and it is thankful for you,if you tell your experience in China to your friends or invite them coming to China.

correct_sentence: Finally, we are looking forward to making friends with American students, and we would be thankful if you tell your experience in China to your friends or invite them to come to China.

error: it is thankful for you,
correction: we would be thankful
error_type: Sentence Structure Error
error_severity: 4
error_description: Sentence Structure Error: The expression structure of the original sentence 〈it is thankful for you〉 is incorrect; considering the context, the correct sentence pattern is 'we would be thankful'. 〈it is thankful for you〉 should be changed to 『we would be thankful』 to make the sentence natural and fluent.

error_sentence: Finally,we are looking forward to making friends with Amercia students,and it is thankful for you,if you tell your experience in China to your friends or invite them coming to China.

correct_sentence: Finally, we are looking forward to making friends with American students, and we would be thankful if you tell your experience in China to your friends or invite them to come to China.

error: coming
correction: to come
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: According to English grammar rules, the common collocation for the verb 〈invite〉 is 'invite sb. to do sth.', which requires an infinitive as a complement, not a gerund form. In the original sentence, 〈coming〉 does not conform to this rule and should be changed to 『to come』 to satisfy the correct expression 'invite them to come to China'.