The politician gave a better speech than as usual. A telt ye that disna come on for common. I told you that doesn't happen commonly. Interrogative and relative adverbs. Interrogatives ask questions and relatives refer to the preceding part of the sentence.
Demonstratives point out.
Some of the commonest adverbs are related to the pronouns in form and meaning. With the indefinite article added whiten becomes whitna 'what kind of a'. Bide thare . A seen him. He was well when I saw him.