Control stems | Before | What happens when ‑əŋ is added | After |
Weak stems e.g., mis‑ ‘choose’ | míst ‘choose it’ | vowel moves to right with passive suffix | məsítəŋ ‘is chosen’ |
Strong stems e.g., x̣ač‑ ‘dry’ | x̣áčt ‘dry it’ | vowel stays in place | x̣áčtəŋ ‘is dried’ |
Zero stems e.g., ƛ̓kʷ‑ ‘take’ | ƛ̓kʷə́t ‘take it’ | basic stem has no vowel but ə gets inserted to take stress | ƛ̓kʷə́təŋ ‘is taken’ |
i stems e.g., ƛ̓kʷ‑i‑ ‘take’ + i = ‘hold’ | ƛ̓kʷít ‘hold it’ | zero stem with ‑i suffix, which moves to right with passive suffix | ƛ̓kʷtíŋ ‘is held’ |