From Indo-European Languages

Pronouns are used as Nouns or as Adjectives. They are divided into the following seven classes:

1. Personal pronouns: as, eg, I.

2. Reflexive pronouns: as, se, himself.

3. Possessive pronouns: as, mos, my.

4. Demonstrative pronouns: as, so, this; i, that.

5. Relative pronouns: as, qi, who.

6. Interrogative pronouns: as, qi?, who?

7. Indefinite pronouns: as, aliqi, some one.

Pronouns have a special declension.