Painting and sculpture are two popular art forms.

The argument forms are essential for constructing a strong case.

Many students choose to attend sixth forms after completing their secondary education.

There are many different life forms in the ocean.

The pro-forms in this sentence refer to different people.

The printing forms are ready for production.

Thought-forms are created through the power of the mind.

The teacher collected the collateral forms from the students.

The argument forms presented in the book are comprehensive.

The absolute forms of these nouns are rarely used.