6.7.2.2	When the subject is second person plural or honorific-du is used. -du has a variant -·u used after stems ending in a retroflex consonant.
ki:du  ‘(you pl.) do’ hoņu  ‘(you) run’ hou  ‘(you) enter’
6.6.7.3	Interrogation
Interrogation is the form of sentence type which expresses a question.
Interrogation in Kuvi is expressed in one of three ways.
6.7.3.2	By use of the wh -words.
ivasi amba:si  ‘who is this man?’ evari imbiya manneri?  ‘where are they ?’ nińgo amba:si paņatesi  ‘who sent you ?’ ni:nu e:ni tindi ?  ‘what did you eat ?’
6.7.3.2	By use of the clitic -ki used as a tag
(ki is probably borrowed from Oriya)
ni:nu evaņa?â vecci ki ?  ‘Did you ask him ?’ evasi nińgo veccesi ki ?  ‘Did he ask you ?’
6.7.3.3.	By rising intonation with a simple declarative sentence.
ni:nu ti:ndi ?  ‘Did you eat ?’ evasi hajji mannesi ?  ‘Is he going ?’
6.7.4.	Subjunctive:
The subjunctive expresses doubt, uncertainty, probability. The suffix is -p. (cf. 6.12.1.3.)
na:nu ki:peni ‘I may/can do; I may be allowedto do’
ma:ro ki:payi ‘we(incl.) may/can do; we (incl.) may be allowed to do
ma:mbu ki:poi  ‘we (excl.) may/can do; we (excl.) may be allowed to do’
ni:nu ki:pedi ‘you may/can do; you may be allowed to do’
mi:ru ki:per ‘you (pl) may/can do; you may be allowed to do’
evasi ki:pesi ‘he may/can do; he may be allowed to do’
udi ki:pe ‘she/it may/can do; she/it may be allowed to do’
uvasika/uvi ki:pu ‘They/those/may/can do. They/those may beallowed to do
6.7.5	Optative
The optative expresses desire or wish. The optative suffix is -o. The optative verb form is made up of the root, the non-past tense suffix -n, and the optative suffix. The subject of the verb in the optative mood is always the first person inclusive plural.
ma:ro kamma ma:ţţio ‘let us begin work’
illu dohni so:ţu sa:pu ki:no ‘let us clean the house’
ma:ro maddano jo:mio ‘let us rest i the afteroon.
ma:ro tumbig·a ta:khĩ hanno ‘let us go walking to Tumbigua’