sentences:  Before infants can speak, the neural circuits in their brains are constantly being influenced by exposure to language.Developmental linguistics supports the idea that linguistic analysis is not timeless, as claimed in other approaches, but time-sensitive, and is not autonomous  – social-communicative as well as bio-neurological aspects have to be taken into account in determining the causes of linguistic developments.Noam Chomsky (1995) proposes the theory of Universal grammar, supporting that a child’s language abilities is a result of nature.