English:
He couldn't walk
Wamba wamba:
Katyina yanggin.
Reference:
Victorian Languages: A Late Survey: L.A. Hercus; p. 46, 2.3.1.4 Auxiliary verbs
Description:

Lit. 'Katyina' (unable-he) 'yangg(a)+in (walked). Katyina is an auxiliary verb. 'It is usually the head-word in a sentence and takes the bound subject marker while the main verb shows only the tense.'

Phrase sentence:
Sentence
Words Associated:
katyina - to be unable
yangga - to walk