Writing prompt: Daming's Holiday Plan

Student essay:
Now,let me introduce daming's holiday plan:
8:30 get up and then wash face and brush teeth.
8:45 have healthy breakfast.
9:00--10:30 do his homework carefully.
10:30--11:30 go to the park and do exercise.
12:00 have a delicious lunch.
13:00--15:00 have computer class or English class.
16:00--18:00 read many kinds of books.
18:00 have a little supper.
19:00--20:00 search for the information on the internet or watch his favourite TV programme.
20:30--21:00 put away his things.
21:30 go to sleep.
I think his holiday plan is fine, but I think spend more time on study is much better.

Corrected essay:
Now, let me introduce Daming's holiday plan:
8:30 get up and then wash his face and brush his teeth.
8:45 have a healthy breakfast.
9:00--10:30 do his homework carefully.
10:30--11:30 go to the park and do exercise.
12:00 have a delicious lunch.
13:00--15:00 have a computer class or English class.
16:00--18:00 read many kinds of books.
18:00 have a little supper.
19:00--20:00 search for information on the internet or watch his favourite TV programme.
20:30--21:00 put away his things.
21:30 go to sleep.
I think his holiday plan is fine, but I think spending more time on study is much better.

Error analysis:
error_sentence: Now,let me introduce daming's holiday plan:
8:30 get up and then wash face and brush teeth.

correct_sentence: Now, let me introduce Daming's holiday plan:
8:30 get up and then wash his face and brush his teeth.

error: daming
correction: Daming
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; 〈daming〉 is a proper noun representing a name, therefore 〈daming〉 needs to be changed to 『Daming』 to conform to the convention.
error_sentence: Now,let me introduce daming's holiday plan:
8:30 get up and then wash face and brush teeth.

correct_sentence: Now, let me introduce Daming's holiday plan:
8:30 get up and then wash his face and brush his teeth.

correction: his
error_type: Pronoun Error
error_severity: 2
error_description: Pronoun Error: According to the sentence meaning, the intention here is to express 'wash face'; the verb 〈wash〉 needs an object to refer to; add 『his』 to clarify the object of the action, therefore change 〈wash face〉 to 『wash his face』 to indicate possession and fit the context.
error_sentence: Now,let me introduce daming's holiday plan:
8:30 get up and then wash face and brush teeth.

correct_sentence: Now, let me introduce Daming's holiday plan:
8:30 get up and then wash his face and brush his teeth.

correction: his
error_type: Pronoun Error
error_severity: 2
error_description: Pronoun Error: According to the sentence meaning, the intention here is to express 'brush teeth'; the verb 〈brush〉 needs an object to refer to; add 『his』 to clarify the object of the action, therefore change 〈brush teeth〉 to 『brush his teeth』 to indicate possession and fit the context.
error_sentence: 8:45 have healthy breakfast.

correct_sentence: 8:45 have a healthy breakfast.

correction: a
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English grammar rules, a singular countable noun must be preceded by an article; in the original sentence, 〈healthy breakfast〉 is missing the necessary determiner 『a』, therefore, the sentence is modified to 『a healthy breakfast』 to comply with English grammar rules.
error_sentence: 13:00--15:00 have computer class or English class.

correct_sentence: 13:00--15:00 have a computer class or English class.

correction: a
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English grammar rules, a singular countable noun must be preceded by an article; in the original sentence, 〈computer class〉 is missing the necessary determiner 『a』, therefore, the sentence is modified to 『a computer class』 to comply with English grammar rules.
error_sentence: 19:00--20:00 search for the information on the internet or watch his favourite TV programme.

correct_sentence: 19:00--20:00 search for information on the internet or watch his favourite TV programme.

error: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English grammar rules, uncountable nouns do not require an article; in the original sentence, 〈information〉 is an uncountable noun, remove the redundant article 『the』 to comply with English grammar.
error_sentence: I think his holiday plan is fine, but I think spend more time on study is much better.
correct_sentence: I think his holiday plan is fine, but I think spending more time on study is much better.
error: spend
correction: spending
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: According to English grammar rules, when a verb acts as a subject, its gerund form is required; therefore, in the original sentence, when the verb 〈spend〉 acts as the subject in the object clause introduced by 〈think〉, it needs to be in the gerund form 『spending』 to comply with grammar rules.