Grammar is the computational system of language. It is a set of rules that specifies how to
construct sentences out of words. Grammar is the basis of the unlimited expressibility of
human language. Children acquire the grammar of their native language without formal
education simply by hearing a number of sample sentences. Children could not solve this
learning task if they did not have some pre-formed expectations. In other words, children
have to evaluate the sample sentences and choose one grammar out of a limited set of …