Writing prompt: Notice

Student essay:
Fellow students,
Our class are going to Green Farm this Friday morning. In order to have a fine day in farm, here's some attention that everyone should remember.
First of all, we should meet at school gate at seven o'clock so we can arrive at the farm on time. We'll go to the Farm by a coach. Everyone mustn't be late unless you have something wrong with your body. If this kind of situation appears, you should talk to our head teacher.
Secondly, we are going to the Farm to experience the farmer's life. We 'll not only picking up vegetables, but also water the plants. The whole activity will last for two hours. Everyone should pay attention in other one because there may some water puddles.
The Last thing is that I hope you all can work together happily. We are on behalf of our school.
Thank you for your attention.

Corrected essay:
Fellow students,
Our class is going to Green Farm this Friday morning. In order to have a fine day on the farm, here's some attention that everyone should remember.
First of all, we should meet at the school gate at seven o'clock so we can arrive at the farm on time. We'll go to the farm by coach. Everyone mustn't be late unless something is wrong with your body. If this kind of situation appears, you should talk to our head teacher.
Secondly, we are going to the farm to experience the farmer's life. We'll not only pick up vegetables, but also water the plants. The whole activity will last for two hours. Everyone should pay attention to one another because there may be some water puddles.
The last thing is that I hope you all can work together happily. We are on behalf of our school.
Thank you for your attention.

Error analysis:
error_sentence: Fellow students,
Our class are going to Green Farm this Friday morning.
correct_sentence: Fellow students,
Our class is going to Green Farm this Friday morning.
error: are
correction: is
error_type: Subject-Verb Agreement Error
error_severity: 3
error_description: Subject-Verb Agreement Error: The subject 〈Our class〉 as a collective noun is usually treated as singular, and the predicate verb needs to be in the singular form, so 〈are〉 is changed to 『is』 to maintain subject-verb agreement.
error_sentence: In order to have a fine day in farm, here's some attention that everyone should remember.

correct_sentence: In order to have a fine day on the farm, here's some attention that everyone should remember.

error: in
correction: on the
error_type: Preposition Error
error_severity: 2
error_description: ① Preposition Error: When indicating an open place like a farm, 『on』 should be used, so 〈in〉 is changed to 『on』; ② Determiner Error: Before 〈farm〉, 『the』 is needed to refer to a specific farm, so 『the』 is added after 『on』.
error_sentence: First of all, we should meet at school gate at seven o'clock so we can arrive at the farm on time.
correct_sentence: First of all, we should meet at the school gate at seven o'clock so we can arrive at the farm on time.
correction: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: As a specific location noun, 〈school gate〉 needs the definite article 『the』 before it to specify the school gate, so 『the』 is added before 〈school〉.
error_sentence: We'll go to the Farm by a coach.
correct_sentence: We'll go to the farm by coach.
error: Farm by a
correction: farm by
error_type: Determiner Error
error_severity: 3
error_description: ① Case Error: 〈Farm〉 is not at the beginning of the sentence, its first letter should be lowercase, so 〈Farm〉 is changed to 『farm』 to conform to writing conventions; ② Determiner Error: According to idiomatic expression, 『by coach』 indicates the mode of transportation and does not require an article, so 〈a〉 is deleted to correctly express the meaning.
error_sentence: Everyone mustn't be late unless you have something wrong with your body.
correct_sentence: Everyone mustn't be late unless something is wrong with your body.
error: you have something
correction: something is
error_type: Sentence Structure Error
error_severity: 3
error_description: Sentence Structure Error: The sentence 〈you have something wrong with your body〉 has an irregular structure and a confused logical subject, so 〈you have something〉 is changed to 『something is』 to make the sentence structure more consistent with the idiomatic English expression for objectively describing physical discomfort, making the meaning clearer.
error_sentence: Secondly, we are going to the Farm to experience the farmer's life.
correct_sentence: Secondly, we are going to the farm to experience the farmer's life.
error: Farm
correction: farm
error_type: Case Error
error_severity: 1
error_description: Case Error: 〈Farm〉 is not a proper noun and is not at the beginning of the sentence, so 〈Farm〉 is changed to 『farm』 to conform to writing conventions.
error_sentence: We 'll not only picking up vegetables, but also water the plants.
correct_sentence: We'll not only pick up vegetables, but also water the plants.
error: picking
correction: pick
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: “will” should be followed by the base form of the verb, so 〈picking〉 is changed to 『pick』 to comply with grammatical rules.
error_sentence: Everyone should pay attention in other one because there may some water puddles.

correct_sentence: Everyone should pay attention to one another because there may be some water puddles.

error: in other one
correction: to one another
error_type: Pronoun Error
error_severity: 4
error_description: ① Preposition Error: 『pay attention to』 is a fixed phrase meaning “to notice”, so 〈in〉 is changed to 『to』; ② Pronoun Error: 〈other one〉 is an incorrect expression; the correct expression is 『one another』, meaning “each other”, used to indicate interaction between two or more, so 〈other one〉 is changed to 『one another』.
error_sentence: Everyone should pay attention in other one because there may some water puddles.

correct_sentence: Everyone should pay attention to one another because there may be some water puddles.

correction: be
error_type: Auxiliary Error
error_severity: 2
error_description: Auxiliary Error: 『there may be』 is the correct sentence pattern used to indicate that something may exist; 『be』 is indispensable, so 『be』 needs to be added before 〈some〉 to complete the sentence structure.
error_sentence: The Last thing is that I hope you all can work together happily.
correct_sentence: The last thing is that I hope you all can work together happily.
error: Last
correction: last
error_type: Case Error
error_severity: 1
error_description: Case Error: 〈Last〉 is not a proper noun and is not at the beginning of the sentence; its first letter should be lowercase, so 〈Last〉 is changed to 『last』 to conform to writing conventions.