On grammatical class:
- za
- time tense distance: medium distance in time.
- zi
- time tense distance: instantaneous-to-short distance in time.
- zu
- time tense distance: long distance in time.
- za'ai
- time tense distance: an unspecified distance in time
In notes:
- sepcau
- s1 is immediately next to x2.
- temsepcau
- c1=s1 is immediately next to s2 in time.