Respuesta :
One rule that can be used to show a grammatically correct sentence is the rule of concord.
What is a Grammatically Correct Sentence?
This refers to the type of sentence which is used to convey an idea that agrees with its subject in number.
Hence, with the rule of concord, a sentence is found to be grammatically correct because of the agreement between the subject-verb where they both agree in number.
Read more about rules of concord here:'
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