Number

1. Introduction
2. Plural marking by reduplication
         a) Nouns
         b) Classifiers
         c) Verbs
3. Numeral incorporation
4. Enumerations
5. Non-manual markers

24

And also useful for referring to the group as a whole or to sub-sets within the main group.

    "We are four brothers and sisters, and all of us are deaf."
    "We are four brothers and sisters, the two older are men and the two younger are women."
    "We are four brothers and sisters, the eldest and the youngest live in Tarragona, and the two in the middle live abroad."