One of the interpretations of the complement of complemented clauses is as purpose, especially when the main verb is explicitly marked with -aš.
īel gunuaš letšah
īel gunuaš letšah
ī -el gunu -aš le- tšah
3s -CSUB stand -CCAUS SS- see
he/she stands up in order to see
Another way is the verb-suffix -mah
ī gaìnes ševamara lezigyskīn trīaþ
ī gaìnes ševamara lezigyskīn trīaþ
ī gaìn -es ševa -mah -ra le- zigh -skīn trī -aþ
3s city -LOC go -PURP -PAST SS- buy -IRR gift -OBJ
he/she went to the city in order to buy a gift |