This sentence is using the inclusive form.

This grammar rule is using the exclusive form.

Exclusive form of grammar is used to refer to a specific object only.

Please tell me the singular form of this word.

In English, adding 's' after a noun makes it a plural form.

By learning the imperfective form, you can understand Japanese grammar more deeply.

In Japanese grammar, the hypothetical form is one of the inflectional forms of verbs.

It's difficult to calculate the area of this polygon.

Understanding the exposed form is important in learning Japanese.

In Japanese morphology, the inflected form plays an important role.