Writing prompt: The Mid-Autumn Festival

Student essay:
The Mid-Autumn Festival falls on the 15th of the eighth month of our chinese lunar calendar. It is one of the Chinese traditional festivals which play a significant role in Chinese culture. Since it is on this day when a ordinary Chinese family can gather together, no matter how busy they are and how far they have left home.
There are various activities the family can do together. Not only can they enjoy the full moon, but also have a taste of moon cakes. what's more, calling on friends as well as having an agreeable tour is also a considerable choice. Obviously, the Mid-Autumn Festival do provide us with a precious opportunity of family's accompany.

Corrected essay:
The Mid-Autumn Festival falls on the 15th of the eighth month of our Chinese lunar calendar. It is one of the Chinese traditional festivals which play a significant role in Chinese culture. Since it is on this day when an ordinary Chinese family can gather together, no matter how busy they are and how far they have left home. There are various activities the family can do together. Not only can they enjoy the full moon, but also have a taste of moon cakes. What's more, calling on friends as well as having an agreeable tour is also a considerable choice. Obviously, the Mid-Autumn Festival does provide us with a precious opportunity for family’s company.

Error analysis:
error_sentence: The Mid-Autumn Festival falls on the 15th of the eighth month of our chinese lunar calendar.
correct_sentence: The Mid-Autumn Festival falls on the 15th of the eighth month of our Chinese lunar calendar.
error: chinese
correction: Chinese
error_type: Case Error
error_severity: 1
error_description: Case Error: According to English writing conventions, the first letter of proper nouns needs to be capitalized; 〈chinese〉 is a proper noun meaning 'Chinese', therefore 〈chinese〉 needs to be changed to 『Chinese』 to conform to the convention.
error_sentence: Since it is on this day when a ordinary Chinese family can gather together, no matter how busy they are and how far they have left home.

correct_sentence: Since it is on this day when an ordinary Chinese family can gather together, no matter how busy they are and how far they have left home.
error: a
correction: an
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: 〈ordinary〉 begins with a vowel sound and needs to be modified by an indefinite article; therefore, 〈a〉 is corrected to 『an』 to conform to grammatical rules.
error_sentence: Since it is on this day when a ordinary Chinese family can gather together, no matter how busy they are and how far they have left home.

correct_sentence: Since it is on this day when an ordinary Chinese family can gather together, no matter how busy they are and how far they have left home. There are various activities the family can do together.
error: 

error_sentence: what's more, calling on friends as well as having an agreeable tour is also a considerable choice.
correct_sentence: What's more, calling on friends as well as having an agreeable tour is also a considerable choice.
error: what
correction: What
error_type: Case Error
error_severity: 1
error_description: Case Error: According to English writing conventions, the first letter of a word at the beginning of a sentence needs to be capitalized; therefore, 〈what〉 needs to be changed to 『What』 to conform to the convention.
error_sentence: Obviously, the Mid-Autumn Festival do provide us with a precious opportunity of family's accompany.
correct_sentence: Obviously, the Mid-Autumn Festival does provide us with a precious opportunity for family’s company.
error: do
correction: does
error_type: Subject-Verb Agreement Error
error_severity: 3
error_description: Subject-Verb Agreement Error: The subject 〈the Mid-Autumn Festival〉 is third-person singular and requires the third-person singular form of the verb; therefore, 〈do〉 is changed to 『does』 to conform to subject-verb agreement rules.
error_sentence: Obviously, the Mid-Autumn Festival do provide us with a precious opportunity of family's accompany.
correct_sentence: Obviously, the Mid-Autumn Festival does provide us with a precious opportunity for family’s company.
error: of family's accompany
correction: for family’s company
error_type: PoS Confusion Error
error_severity: 4
error_description: ① Preposition Error: 『for』 should be used here to indicate the object for whom the opportunity is provided; therefore, 〈of〉 is changed to 『for』 to conform to grammatical rules; ② PoS Confusion Error: 〈accompany〉 is a verb form, but a noun is needed here to express the concept of companionship; therefore, 〈accompany〉 is changed to 『company』 to conform to grammatical rules.