The present tense

Person prefixes, plus the dialect's marker for "now" or "usually".

The past tense

One stem, eight endings.

The future

One small prefix or word in front of the present.

Saying "not"

Negating verbs, nouns and adjectives.

Roots and verb forms (Form I–X)

How three root letters and a pattern make a verb.

Verb classes: sound, hollow, defective, doubled

Why some verbs change shape when they conjugate.