Writing prompt: Parrots Make the Best Pets

Student essay:
I think that parrots are a good choice to keep. It's happy for you to play with parrots.
The following is the reason why I prefer keeping the parrot than keeping other animals.
First, the parrots can live for up to 50 years. They can live with you for many years.
Besides, it's not difficult for you to get a response from parrots to your spirits. For example, they will make you happy when you are sad or angry. As a result, they will become the interesting part in your daily life.
What's more, the parrots are clever enough, so it's easy for them to speak.
Why don't you keep a parrot? Parrots make the best pets for you. You can live in a happy life with parrots.

Corrected essay:
I think that parrots are a good choice to keep. It's happy for you to play with parrots.
The following is the reason why I prefer keeping a parrot to keeping other animals.
First, the parrots can live for up to 50 years. They can live with you for many years.
Besides, it's not difficult for you to get a response from parrots to your spirits. For example, they will make you happy when you are sad or angry. As a result, they will become an interesting part of your daily life.
What's more, parrots are clever enough, so it's easy for them to speak.
Why don't you keep a parrot? Parrots make the best pets for you. You can live a happy life with parrots.

Error analysis:
error_sentence: The following is the reason why I prefer keeping the parrot than keeping other animals.

correct_sentence: The following is the reason why I prefer keeping a parrot to keeping other animals.

error: the parrot than
correction: a parrot to
error_type: Preposition Error
error_severity: 4
error_description: ① Determiner Error: According to English article usage rules, the definite article 〈the〉 is used for specific or known things, while the original sentence expresses a general concept (any parrot), so 〈the〉 should be changed to the indefinite article 『a』, forming the grammatically correct expression 『a parrot』; ② Preposition Error: In the English comparative structure “prefer A to B”, the fixed phrase requires the preposition 〈to〉 instead of 〈than〉. Therefore, the incorrect 〈than〉 is corrected to 『to』, forming the correct comparative structure 『prefer...to...』.
error_sentence: As a result, they will become the interesting part in your daily life.

correct_sentence: As a result, they will become an interesting part of your daily life.

error: the
correction: an
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English indefinite article rules, when modifying a singular noun 〈interesting part〉 that begins with a vowel sound, 『an』 must be used instead of 〈the〉. Therefore, the definite article 〈the〉 is changed to 『an』, forming the correct expression 『an interesting part』.
error_sentence: As a result, they will become the interesting part in your daily life.

correct_sentence: As a result, they will become an interesting part of your daily life.

error: in
correction: of
error_type: Preposition Error
error_severity: 2
error_description: Preposition Error: In fixed phrases expressing possession, 〈part of〉 (...a part of) must use the preposition 『of』 instead of 〈in〉. Therefore, the incorrect 〈in〉 is corrected to 『of』, forming the standard expression 『part of daily life』.
error_sentence: What's more, the parrots are clever enough, so it's easy for them to speak.

correct_sentence: What's more, parrots are clever enough, so it's easy for them to speak.

error: the
error_type: Determiner Error
error_severity: 2
error_description: Determiner Error: According to English article usage rules, when the plural noun 〈parrots〉 refers to a general category, meaning “parrots as a type of animal,” no article is needed. Therefore, the redundant definite article 〈the〉 should be deleted, using 『parrots』 directly to express the general meaning.
error_sentence: You can live in a happy life with parrots.
correct_sentence: You can live a happy life with parrots.
error: in
error_type: Preposition Error
error_severity: 2
error_description: Preposition Error: The English fixed phrase 〈live a life〉 (to live a certain kind of life), when used as a transitive verb phrase, does not require a preposition. Therefore, the redundant 〈in〉 should be deleted, forming the correct expression 『live a happy life』.