From Wiktionary, the free dictionary
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium . Particularly: “Is this the conversive of -tibu or is that too farfetched?”)
-tibua (infinitive kutibua )
to provoke , stir up
Conjugation of -tibua
Positive present
-na tibua
Subjunctive
-tibue
Negative
-tibui
Imperative singular
tibua
Infinitives
Imperatives
Tensed forms
Habitual
hutibua
Positive past
positive subject concord + -li tibua
Negative past
negative subject concord + -ku tibua
Positive present (positive subject concord + -na tibua)
Singular
Plural
1st person
ni natibua/na tibua
tu natibua
2nd person
u natibua
m natibua
3rd person
m-wa(I/II)
a natibua
wa natibua
other classes
positive subject concord + -na tibua
Negative present (negative subject concord + -tibui )
Singular
Plural
1st person
si tibui
hatu tibui
2nd person
hu tibui
ham tibui
3rd person
m-wa(I/II)
ha tibui
hawa tibui
other classes
negative subject concord + -tibui
Positive future
positive subject concord + -ta tibua
Negative future
negative subject concord + -ta tibua
Positive subjunctive (positive subject concord + -tibue )
Singular
Plural
1st person
ni tibue
tu tibue
2nd person
u tibue
m tibue
3rd person
m-wa(I/II)
a tibue
wa tibue
other classes
positive subject concord + -tibue
Negative subjunctive
positive subject concord + -si tibue
Positive present conditional
positive subject concord + -nge tibua
Negative present conditional
positive subject concord + -singe tibua
Positive past conditional
positive subject concord + -ngali tibua
Negative past conditional
positive subject concord + -singali tibua
Perfect
positive subject concord + -me tibua
"Already"
positive subject concord + -mesha tibua
"Not yet"
negative subject concord + -ja tibua
"If/When"
positive subject concord + -ki tibua
"If not"
positive subject concord + -sipo tibua
Consecutive
katibua / positive subject concord + -ka tibua
Consecutive subjunctive
positive subject concord + -ka tibue
Some forms not commonly seen in modern Standard Swahili are absent from the table. See Appendix:Swahili verbs for more information.