Datapoint Tayo/Ability verb and epistemic possibility

Values

Ability verb cannot express epistemic possibility

Example 57-51:
Me japa mwaja mete nde lao.
Me
but
japa
exist.neg
mwaja
abil
mete
put
nde
from
lao.
up.there
But there is no possibility to put it upwards down (the direction of the construction of the thatched roof of a hut).

Source: Ehrhart 1993: 241

Example 57-52:
Le mbo ka nu travaje ave maʃin, nu pa mwaja ndʃu travaj a la ma.
Le
si
mbo
good
ka
when
nu
we
travaje
work
ave
with
maʃin,
machine
nu
1pl
pa
not
mwaja
abil
ndʃu
always
travaj
work
a
with
la
the
ma.
hand
It is good for us to work with the machine, we cannot always work manually.

Source: Ehrhart 1993: 248

Confidence:
Very certain