Prefixes

a- pref. used to indicate the future; (opposite of ana-)
ana- pref. used to indicate the past; (opposite of a-)
apogā- pref. used for surfaces;
fa'a- pref. multi-purpose prefix;
fogā- pref. expanse;
lau- pref. used for surfaces;
matā- pref. used for collectives of inanimate things;
mata'i- pref. used for small divisions;
ta'a- pref. indicates either circular motion, or something not being anchored; (see also ta'a)
ta'i- pref. prefixed to numbers to form 'one each', 'two each';
to'a- pref. prefixed to numbers when counting people;
vāi- pref. used for the space between things; (made from i)