Writing prompt: Keep Healthy

Student essay:
In my opinion, I think more and more children who are very young get fat due to less exercise. Also, these children might eat too much sweet lead to their weight get larger and larger. So it's very important for children to have a good diet to keep healthy.\nHowever, how can we keep fit? Here is my advice. First, the most important thing is that we need to take more exercises. Second, what is also very necessary is that we are supposed to have a good diet. It's very good for us to eat more fruit and vegetables after meals.\nIf we want to keep healthy, we will try our best to carry out our plans and follow the advice so that our body will get stronger and stronger.

Corrected essay:
In my opinion, I think more and more children who are very young get fat due to less exercise. Also, these children might eat too much sweet food, which leads to their weight getting larger and larger. So it's very important for children to have a good diet to keep healthy.
However, how can we keep fit? Here is my advice. First, the most important thing is that we need to take more exercise. Second, what is also very necessary is that we are supposed to have a good diet. It's very good for us to eat more fruit and vegetables after meals.
If we want to keep healthy, we will try our best to carry out our plans and follow the advice so that our body will get stronger and stronger.

Error analysis:
error_sentence: Also, these children might eat too much sweet lead to their weight get larger and larger.
correct_sentence: Also, these children might eat too much sweet food, which leads to their weight getting larger and larger.
error: lead
correction: food, which leads
error_type: Sentence Structure Error
error_severity: 5
error_description: ① Noun Error: According to the original sentence's meaning, it intends to express “these children might eat too much sweet food”. Therefore, the adjective 〈sweet〉 in the original sentence lacks a noun as its object; the noun 『food』 needs to be added to represent “sweet food” to match the original meaning; ② Sentence Structure Error: According to the original sentence's meaning, “these children might eat too much sweet food” is the cause that “leads to weight gain”; a non-restrictive relative clause is needed to introduce the “result”. Therefore, 〈lead〉 needs to be changed to 『, which leads』 to conform to the original meaning and grammatical rules.

error_sentence: Also, these children might eat too much sweet lead to their weight get larger and larger.
correct_sentence: Also, these children might eat too much sweet food, which leads to their weight getting larger and larger.
error: get
correction: getting
error_type: Nonfinite Verb Form Error
error_severity: 3
error_description: Nonfinite Verb Form Error: According to English grammar rules, a preposition should be followed by a gerund as its object. Therefore, the base form of the verb 〈get〉 needs to be changed to the gerund 『getting』 to conform to grammatical rules.

error_sentence: So it's very important for children to have a good diet to keep healthy.\nHowever, how can we keep fit?
correct_sentence: So it's very important for children to have a good diet to keep healthy.
 However, how can we keep fit?
error: healthy.\nHowever
correction: healthy.
However
error_type: Format Error
error_severity: 4
error_description: Format Error: According to the original context and meaning, the paragraph needs to start a new line before 〈However〉 to introduce new content. Therefore, a newline character 『\n』 needs to be added after 〈healthy〉 to conform to English writing format.

error_sentence: First, the most important thing is that we need to take more exercises.
correct_sentence: First, the most important thing is that we need to take more exercise.
error: exercises
correction: exercise
error_type: Noun Number Error
error_severity: 3
error_description: Noun Number Error: According to English grammar rules, “exercise” is an uncountable noun when it means “physical activity” and has no plural form. Therefore, 〈exercises〉 needs to be changed to 『exercise』 to represent “physical activity” to conform to the original meaning and grammatical rules.

error_sentence: It's very good for us to eat more fruit and vegetables after meals.\nIf we want to keep healthy, we will try our best to carry out our plans and follow the advice so that our body will get stronger and stronger.
correct_sentence: It's very good for us to eat more fruit and vegetables after meals.
 If we want to keep healthy, we will try our best to carry out our plans and follow the advice so that our body will get stronger and stronger.
error: meals.\nIf
correction: meals.
If
error_type: Format Error
error_severity: 4
error_description: Format Error: According to the original context and meaning, the paragraph needs to start a new line before 〈If〉 to introduce new content and highlight the argumentative structure. Therefore, a newline character 『\n』 needs to be added after 〈meals〉 to conform to English writing format.