New research lends evidence to the idea that children learn the ability to understand basic grammar early in language development, rather than possessing it innately. A study found that rule-based grammatical knowledge emerges gradually with a significant increase around the age of 24 months.

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New research lends evidence to the idea that children learn the ability to understand basic grammar early in language development, rather than possessing it innately. A study found that rule-based grammatical knowledge emerges gradually with a significant increase around the age of 24 months.