20 minNoun Class 4: Tools & Artifacts (Ki/Bi)

Ki/Bi Class - Tools & Artifacts

Learning Objective

Master forming plurals for manufactured objects using Ki/Bi pattern

Theory

The Ki/Bi class contains tools, artifacts, manufactured objects, and abstract concepts. These are things made or created by people.

Formula:

iki-[root] → ibi-[root] OR ki-[root] → bi-[root]

Key Rules:

  • Used for tools, artifacts, manufactured items
  • Also used for abstract concepts
  • Singular prefix: iki- or ki-
  • Plural prefix: ibi- or bi-

Examples:

ikitabo → ibitabobook → books

iki + tabo → ibi + tabo

ikiti → ibititree → trees

iki + ti → ibi + ti

ikintu → ibintuthing → things

iki + ntu → ibi + ntu

kihugo → bihugocountry → countries

ki + hugo → bi + hugo

Practice Time!

Now that you've learned the theory, it's time to practice what you've learned using our interactive tools.

Complete Module

Kifuliiru Noun Classes · Noun Class 4: Tools & Artifacts (Ki/Bi)

Ki/Bi Class - Tools & Artifacts

Master forming plurals for manufactured objects using Ki/Bi pattern

Lesson overview

The Ki/Bi class contains tools, artifacts, manufactured objects, and abstract concepts. These are things made or created by people.

iki-[root] → ibi-[root] OR ki-[root] → bi-[root]

Key rules

  • Used for tools, artifacts, manufactured items
  • Also used for abstract concepts
  • Singular prefix: iki- or ki-
  • Plural prefix: ibi- or bi-

Kifuliiru examples with translations

ikitabo → ibitabo
book → books
iki + tabo → ibi + tabo
ikiti → ibiti
tree → trees
iki + ti → ibi + ti
ikintu → ibintu
thing → things
iki + ntu → ibi + ntu
kihugo → bihugo
country → countries
ki + hugo → bi + hugo