Objects of plain transitive verbs and of agreement verbs can be null, as well. In the examples below, kiss is a plain transitive verb and ask is an agreement verb.
mother øi kıss but sıster øi kıss^not
‘The mother kissed him but the sister did not kiss him.’
(adapted from Kayabaşı, et.al. in press, 13)
øa øb aaskb
‘He asked her.’
(adapted from Kayabaşı, et.al. in press, 25)