The writing system is based on the standard 3-tone dialect.

Their language is the spoken form and hence does not necessarily conform to the expectations of someone familiar with the standard dialect.

Many of the vowels are due to umlaut, which is highly productive in the standard dialect.

This article discusses the grammar of the Khmer language, focusing on the standard dialect.

Early evidence for these spoken dialects is known only through their influence on words and names in a more standard dialect.

Some of these features are used in the standard dialect on very formal occasions.

The definite article is sometimes omitted before some words for specific institutions, such as prison, school, and (in standard non-American dialects) hospital.

Vicholi is considered as the standard dialect by all Sindhi speakers.

A we has become the standard dialect of the Garos.

There may be multiple standard dialects associated with a single language.