ぶんぽう文法bunpou
1.

A system of rules and principles that govern the structure of sentences and phrases in a language, determining how words can be combined meaningfully.

2.

The study and categorization of the relationships and functions of linguistic elements, often formalized into theories or frameworks.

3.

Guidelines and conventions for constructing written language, including style and composition norms that enhance clarity and coherence in communication.

Example:

文法屋に聞きたいんですが、「be+分詞」はV Cなどのように考えることはできないんですか?

ぶんぽうてき文法的bunpouteki
1.

Pertaining to the rules and structures that govern the formation of sentences in a language.

2.

Relating to the systematic principles that dictate how words and phrases combine to convey meaning.

3.

Describing the characteristics and patterns that align with the accepted standards of language usage.

Example:

この文は文法的に正しい。