The stages of language knowledge develop by stages, and it is suggested, each successive stage approach more approximates the grammar of the adult usage.

This essay is going to illustrate the different stages in language acquisition that children pass through and elicit the theories in accordance.

In the stage of "the first sounds", the noises produced by infants are simply responses to stimuli, for instance crying as a reaction to hunger. These noises sound the same in all language communities.

Consequently, usually around the sixth month, the infant begins to babble. A large variety of sounds are produced in this period, many of them do not considered occur in the language of the household. During this period, children are learning to distinguish between the sound that are part of their language, and the one which does not. In the stage of babbling, children are learnt to maintain the...