In the 1960s, Chomsky introduced two central ideas relevant to the construction and evaluation of grammatical theories.

There are several distinct grammatical theories that employ a functional approach.

However, Japanese linguists have been proposing various grammatical theories for over a hundred years and there is still no consensus about the conjugations.

Definiteness is a feature of noun phrases in grammatical theory.

Since then, it has become an important topic of research in grammatical theory.

He has researched into first and second language acquisition, multilingualism, and grammatical theory.

Objections to this approach have appeared among grammatical theories in the 20th century.

This was no easy task, as contemporary grammatical theory lacked the rich and precise terminology to describe such values.

The following examples illustrate the use of the term operator within generative grammatical theory.

He details the basic points that underpin grammatical theory and the morphological structure of the language.