Breakdown of Ni lazima tufanye matengenezo ya paa kabla ya msimu wa mvua.
ni
to be
sisi
we
kufanya
to do
ya
of
kabla ya
before
lazima
necessary
paa
the roof
matengenezo
the maintenance
msimu wa mvua
the rainy season
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Questions & Answers about Ni lazima tufanye matengenezo ya paa kabla ya msimu wa mvua.
What does Ni lazima mean and why is it used at the beginning of the sentence?
Ni lazima is an impersonal construction meaning “it is necessary” or “we must.” In Swahili there’s no separate word for impersonal “it,” so ni acts as the copula (“is”) and lazima expresses obligation. Placing it at the start signals that what follows is something that must be done.
Why is the verb tufanye used instead of tunafanya (we do) or the infinitive kufanya (to do)?
After Ni lazima, the main verb goes into the present-subjunctive form (root + -e). The subject marker tu- (“we”) combines with that to give tu + fanye = tufanye (“that we do”/“we must do”). You could also rephrase the sentence impersonally with the infinitive: Ni lazima kufanya matengenezo…, but then there’s no explicit subject.
What does matengenezo mean, and why is it plural?
Matengenezo (noun class 6) means “repairs” or “maintenance.” Although there is a singular tengenezo, in practice matengenezo is used as a mass/plural noun to talk about general maintenance work rather than one single repair.
Why does the phrase use ya before paa in matengenezo ya paa?
That ya is the genitive concord for noun class 6 (the class of matengenezo). It links the head noun to the possessed noun. So matengenezo ya paa literally means “repairs of roof” or more naturally “roof maintenance.”
Why is kabla ya msimu wa mvua used instead of just kabla msimu mvua?
Kabla ya is a fixed prepositional phrase meaning “before.” It always takes ya plus a noun or gerund. Here the noun phrase is msimu wa mvua (“rainy season”), so you get kabla ya msimu wa mvua = “before the rainy season.”
Why is it msimu wa mvua and not msimu ya mvua?
Msimu belongs to noun class 3 (singular prefix m-), and its genitive concord is wa. Thus msimu wa mvua literally means “season of rain.” The wa here is different from the ya in kabla ya, which is part of that preposition.
Could we simplify the sentence by using the verb tengeneza (“to repair”) instead of fanya matengenezo?
Yes. You could say Ni lazima tutengeneze paa kabla ya msimu wa mvua, which means “We must repair the roof before the rainy season.” Using matengenezo emphasizes “doing maintenance,” while tengeneze is the direct verb “repair.”