For someone (agent muɴ-) to open a can, the contents of a can (loc ref -an) with a can opener, a knife (theme i-).
For someone (agent) to use something (inst puɴ-) for a knife can opener.
Mā'a ta munlukat'ah nan aldīnah ta ihda tu'u.
Come and open the sardines so that we can eat them.