Datapoint Angolar/Suppletion according to tense and aspect

The only case of (strong) suppletion is the copula, tha for present reference, and ta for past reference.

Values

Strong suppletion according to tense only

Example 36-69:
tha vs. ta
tha
is
vs.
vs.
ta
was
is vs. was

Source: Maurer 1995: 92ff.

Confidence:
Very certain