Writing prompt: Spring Festival

Student essay:
Dear John
Now, I hope you have some idea of the Chinese Spring Festival.I would like to tell you something more about it.
The Spring Festival is a Chinese traditional festival,which is the most important and enjoyable one. A few days before the festival, houses are cleaned and red couplets are put up to decorate the doors of every household. They are said to frighten away the ghosts. On that day, people are dressed up. Firecrackers ring out in the air, which adds to the atmosphere of the festival. Presents and dinners provides a channel through which we can celebrate the happy reunion of friends and relatives.We have traditional food called jiaozi and enjoy the New Year TV show. Customs may vary from place to place, but the same happy atmosphere is to be found everywhere in the country.
Now, I hope you have some idea of Chinese Spring Festival.
Best wishes,
Yours,
Li Jing

Corrected essay:
Dear John,
Now, I hope you have some idea of the Chinese Spring Festival. I would like to tell you something more about it.
The Spring Festival is a Chinese traditional festival, which is the most important and enjoyable one. A few days before the festival, houses are cleaned and red couplets are put up to decorate the doors of every household. They are said to frighten away the ghosts. On that day, people are dressed up. Firecrackers ring out in the air, which adds to the atmosphere of the festival. Presents and dinners provide a channel through which we can celebrate the happy reunion of friends and relatives. We have traditional food called jiaozi and enjoy the New Year TV show. Customs may vary from place to place, but the same happy atmosphere is to be found everywhere in the country.
Now, I hope you have some idea of the Chinese Spring Festival.
Best wishes,
Yours,
Li Jing

Error analysis:
error_sentence: Dear John
Now, I hope you have some idea of the Chinese Spring Festival.
correct_sentence: Dear John,
Now, I hope you have some idea of the Chinese Spring Festival.
correction: ,
error_type: Punctuation Error
error_severity: 2
error_description: Punctuation Error: According to English letter writing conventions, the salutation 〈Dear John〉 at the beginning of a letter must be separated from the body by a comma. A comma should be added after the salutation, changing it to 『Dear John,』 to conform to standard letter format.
error_sentence: Presents and dinners provides a channel through which we can celebrate the happy reunion of friends and relatives.
correct_sentence: Presents and dinners provide a channel through which we can celebrate the happy reunion of friends and relatives.
error: provides
correction: provide
error_type: Subject-Verb Agreement Error
error_severity: 3
error_description: Subject-Verb Agreement Error: According to the English grammar principle of subject-verb agreement, the compound subject 〈Presents and dinners〉 is plural, so the corresponding verb must be in the plural form. Therefore, the third-person singular verb 〈provides〉 is changed to the plural form 『provide』 to ensure grammatical correctness.
error_sentence: Now, I hope you have some idea of Chinese Spring Festival.

correct_sentence: Now, I hope you have some idea of the Chinese Spring Festival.

correction: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English proper noun usage rules, a festival name modified by an adjective, such as 〈Chinese Spring Festival〉, requires a definite article when referring to it as a specific festival. 『the』 should be added after 〈of〉 to form 『of the Chinese Spring Festival』, making the noun phrase structure complete and conforming to English expression habits.