is: There are two separate words that translate as 'is, am, are' in English.
t'iht'eh  I am
The words that ends with -t'eh generally have a meaning of 'something equals' or 'same as'. These are the most general of the 'is' words and can be used when talking about physical objects or abstract concepts.
imperfective paradigm
| t'iht'eh
|
ts'int'eh
|
| t'int'eh
|
t'aht'eh
|
| nt'eh
|
xint'eh
|
nts'é t'ínt'eh? how are you?
sínt'eh it is (any single object, person, animal)
êy eek sínt'eh that is a shirt
sínánt'eh they are (plural objects)
êy eek sínánt'eh those are shirts
síxúnt'eh it is (abstract concept, area or weather)
xey síxúnt'eh it is winter
ihłęę I am
The words that ends in -łęę generally have the meaning of 'something exists' or 'something is so' and often refer to concepts rather than physical objects.
imperfective paradigm
| ihłęę
|
ts'inłęę
|
| inłęę
|
ahłęę
|
| nłęę
|
xinłęę
|
ndée xt'een inłęę? where (what area) are you from?
xúnłęę it is (abstract concept, area or weather)
sheen xúnłęę it is summer
Note that in Tanacross no form of 'is' is used when talking about activities happening right now. For example, English he is hunting, Tanacross na'eLs_eex, there is no Tanacross word meaning 'is'. | 
from inland (distant) 