"amaruru n-unama-ka2-namu-ta" 
boy 1S-sleep-CAUS-PROG-VBLZ"“I am making the kid sleep""
"nhi-nhika-ka2-ru yapa" 
1SG-eat-CAUS-3M.O
“"I made him eat capybara”"

In the first example, "‘amaruru’" is the causee, and ‘"n’" is the causer.By adding a causative marker, the monovalent verb becomes bivalent.