These are words of closed, classes which have grammatical functions in the phrase, clause or sentence.
He made the first serious attempt in Japan to classify the words of the language according to their grammatical functions.
Depending on the grammatical function, the head may come before or after its dependents.
Tone (with stress) is largely dependent on the grammatical function of the word in sentence.
Instead, the language relies on clause order to define the grammatical function of each word.
This has been called the grammatical function of intonation.
Consequently, it is wrong to say that it has a grammatical function.
One is preserving of ancient linguistic features which have lost their grammatical functions in language.
In most cases, the shape of the pronoun does not change to show grammatical function.
Words ending in -aŭ may be used for multiple grammatical functions.