He learned the past tense in Japanese.

He wrote an ancient poem using the literary language form.

This textbook explains mainly in colloquial form.

Her face shape is very beautiful.

This word has several variant forms.

When learning Japanese, it is important to remember words in dictionary form.

Understanding the exposed form is important in learning Japanese.

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

The internal shape of this product is very complex.

He has a slender build, and suits suit him very well.