"I cooked ugali last week"

Translation: Nilipika ugali wiki iliyopita

[Caroline125355]

When do you use uliopita/ilyopita?

[AGreatUserName]

It depends on the class of the noun it refers to

M/MI

mwaka uliopita = last year
miaka miwili iliyopita = two years ago

mwezi uliopita = last month
miezi miwili iliyopita = two months ago

(JI)/MA:

somo lililopita = the previous lesson
masomo mawili yaliyopita = two lessons ago

KI/VI:

kizazi kimoja kilichopita = one generation ago
vizazi viwili vilivyopita = two generations ago

N/N:

wiki iliyopita = last week
wiki mbili zilizopita = two weeks ago

[MzunguJos]

Why not nilikupika?

[liesornot]

As I understood the ku stem is used only for the negation in past simple tense

[Jepkemei1]

Why is "Nilipika ugali juma lililopita" not accepted?