| Conjugation of -umba |
| Positive present |
-naumba |
| Subjunctive |
-umbe |
| Negative |
-umbi |
| Imperative singular |
umba |
|
| Infinitives |
| Positive |
kuumba |
| Negative |
kutoumba |
|
| Imperatives |
| Singular |
umba |
| Plural |
umbeni |
|
| Tensed forms |
| Habitual |
huumba |
| Positive past |
positive subject concord + -liumba |
| Negative past |
negative subject concord + -kuumba |
|
| Positive present (positive subject concord + -naumba) |
|
Singular |
Plural |
| 1st person |
ninaumba/naumba |
tunaumba |
| 2nd person |
unaumba |
mnaumba |
| 3rd person |
m-wa(I/II) |
anaumba |
wanaumba |
| other classes |
positive subject concord + -naumba |
|
| Negative present (negative subject concord + -umbi) |
|
Singular |
Plural |
| 1st person |
siumbi |
hatuumbi |
| 2nd person |
huumbi |
hamuumbi |
| 3rd person |
m-wa(I/II) |
haumbi |
hawaumbi |
| other classes |
negative subject concord + -umbi |
|
| Positive future |
positive subject concord + -taumba |
| Negative future |
negative subject concord + -taumba |
|
| Positive subjunctive (positive subject concord + -umbe) |
|
Singular |
Plural |
| 1st person |
niumbe |
tuumbe |
| 2nd person |
uumbe |
muumbe |
| 3rd person |
m-wa(I/II) |
aumbe |
waumbe |
| other classes |
positive subject concord + -umbe |
|
| Negative subjunctive |
positive subject concord + -siumbe |
| Positive present conditional |
positive subject concord + -ngeumba |
| Negative present conditional |
positive subject concord + -singeumba |
| Positive past conditional |
positive subject concord + -ngaliumba |
| Negative past conditional |
positive subject concord + -singaliumba |
|
|
|
| Perfect |
positive subject concord + -meumba |
| "Already" |
positive subject concord + -meshaumba |
| "Not yet" |
negative subject concord + -jaumba |
| "If/When" |
positive subject concord + -kiumba |
| "If not" |
positive subject concord + -sipoumba |
| Consecutive |
kaumba / positive subject concord + -kaumba |
| Consecutive subjunctive |
positive subject concord + -kaumbe |
|
|
|
|
|
| Some forms not commonly seen in modern Standard Swahili are absent from the table. See Appendix:Swahili verbs for more information. |