Igbo grammar, step by step
A guided tour through Igbo grammar with glossed examples that show how each piece of a sentence fits together.
Grammar Walkthrough
Discover how the language works through examples
Igbo grammar is built on tone — the same consonants and vowels produce entirely different words at different pitches — and on a system of verb-prefix markers for progressive, past, and future that combine with a negating suffix to express the full range of tense, aspect, and polarity.
Tone changes the meaning
two tones + downstep| Word | Tone | Meaning |
|---|---|---|
| ákwà | H–L | cloth |
| àkwà | L–H (rising) | egg |
| ákwá | H–H | cry / weeping |
| àkwà | L–L | bed / bridge |
| ọ́ bụ́ | H–H | it is (affirmation) |
| ọ̀ bụ̀ | L–L | is it? (question) |
These words look identical in spelling without tone marks, but they mean different things. What is the only thing that distinguishes them?
Igbo has only two basic tones — high (marked ́) and low (marked ̀). A third surface pitch, the downstep, is a high tone that has been stepped down after a preceding high (Emenanjo 2015 Ch. 4, p. 107: "Most varieties of Igbo have two basic tones: High… Low… and downstep(ped High)"). Downstep is a stepped-down high, not a third underlying tone, and it never starts a word. Tone is lexical: it is part of the word's identity, not an extra layer added on top.
Subject–verb–object order
SVO word orderWhere does the subject pronoun sit? Where is the verb? Where is the object? Is the pattern the same as in English?
Igbo is Subject–Verb–Object. The subject (or pronoun) comes first, then the verb with any prefixed TAM marker, then the object. Unlike some neighboring languages, verb-final order does not occur.
Pronouns carry no gender
subject pronouns| Person | Short (fused) | Long (independent) | Meaning |
|---|---|---|---|
| 1SG | m | mụ | I |
| 2SG | i / ị | gị | you (singular) |
| 3SG | ọ / o | ya | he / she / it / they (sg.) |
| 1PL | anyị | anyị | we |
| 2PL | unu | unu | you (plural) |
| 3PL | ha | ha | they |
The pronoun ọ is used for he, she, it, and singular they. Does Igbo ever mark gender in pronouns?
Igbo pronouns are gender-neutral across the board. The same form ọ covers he, she, it, and singular they. Each pronoun has a short (fused) form used when directly attached to a verb and a long (independent) form used in isolation or for emphasis.
na- marks the progressive
progressive / habitual aspectIn the spine sentence, the prefix na- sits between the subject and the verb stem. When is this prefix used — only for right-now actions, or also for regular habits?
The prefix na- (with vowel-harmonic variant na- before a- vowels and na- generally) marks the imperfective: both actions in progress and habitual/repeated actions. It attaches directly to the verb stem before any other prefixes.
Two copulas: bụ and dị
copulas| Copula | Use | Example | Translation |
|---|---|---|---|
| bụ | identity / class | Ọ bụ nwoke | He / she / they is a man / person |
| dị | quality / state | Ọ dị mma | He / she / they is good / fine |
| dị | location (general) | Ọ dị n'ulo | He / she / they is in the house |
| nọ | physical presence | Ọ nọ ebe a | He / she / they is (present) here |
There seem to be two ways to say "is" in Igbo. One links a person to a category; the other describes a quality or location. Can you tell which is which from the examples?
The copula bụ links a subject to an identity or class (Ọ bụ onye ọrụ = He/she/they is a worker). The copula dị describes a quality or state — it is used with adjectives and locations (Ọ dị mma = He/she/they is good; Ọ dị ebe a = He/she/they is here). A third copula, nọ, specifically marks physical presence at a location.
Past tense: suffix =rV (vowel-copy)
past tenseIn these past-tense sentences, the na- prefix is gone. Something is attached to the end of the verb instead. What is the past marker, and does it change form?
Completed past actions are expressed by removing the na- prefix and adding a suffix =rV to the verb stem, where the V copies the vowel of the verb root (Emenanjo 2015 p. 154: "we have one suffix with eight variant forms written =rV, conditioned by vowel copying"). So the suffix surfaces as -rì, -rè, -rù, -rò, -rà, -rọ, -rụ, or -rị depending on the verb. Examples: -ri "eat" → rìrì, -je "go" → jèrè, -gò "buy" → gòrò, -kwù "talk" → kwùrù, -zà "sweep" → zàrà.
ga- marks the future
future tenseA prefix ga- appears before the verb stem in future-tense sentences. How does it differ from the progressive na-?
The future is formed by prefixing ga- (or ga- with vowel harmony) to the verb stem. Unlike the progressive na-, the future ga- does not combine with the past suffix. Both na- and ga- can appear with negation by swapping the negative suffix -ghị.
Negation with suffix -ghị
negationTo negate a sentence, the na- prefix disappears and a suffix attaches to the verb stem. Can you see the pattern in how the negative is formed?
Negation is expressed by the suffix -ghị (or -ghị) attached directly to the verb stem, replacing the na- prefix. The future negative combines ga- + verb + -ghị. Past negative uses the past suffix and then adds the negative -ghị.
Questions: intonation and wh-words
questionsHow do you ask a yes/no question in Igbo? And where do question words like "who" and "what" appear in the sentence?
Yes/no questions in Igbo are distinguished from statements primarily by rising intonation, with no change in word order or question particle. Wh-words such as onye (who), gịnị (what), ebe (where), and mgbe (when) typically appear in situ — in the position the questioned item would normally occupy.
Possession: nke + pronoun
possession| Person | Possessive phrase | Meaning |
|---|---|---|
| 1SG | nke m | mine |
| 2SG | nke gị | yours (sg.) |
| 3SG | nke ya | his / hers / its / theirs (sg.) |
| 1PL | nke anyị | ours |
| 2PL | nke ụnụ | yours (pl.) |
| 3PL | nke ha | theirs |
To say "mine" or "yours," Igbo uses a particle nke followed by a pronoun. Does the noun change its form, or does possession work entirely through this particle?
The particle nke is the possessive linker. It follows the possessed noun: noun + nke + possessor pronoun. Used alone, nke + pronoun means "the one of [possessor]" — a pronoun equivalent to "mine," "yours," etc.
Extensional suffixes modify meaning
extensional suffixesIgbo verbs can take extra suffixes that add nuances such as completion, beneficiary, or togetherness. What do these extensions do to the core meaning of the verb?
Igbo has a large inventory of extensional suffixes (Emenanjo 2015 lists ~88 in Ch. 8) that attach directly to the verb root, between the root and any inflectional suffix. They modify the verb's lexical meaning rather than its tense or aspect. Three productive examples: =cha "completive — do completely", =rV "applicative — do for one's own or another's benefit" (Emenanjo 2015 p. 252, entry 74; the V copies the root vowel), and =kọ "together / in combination". They harmonize with the verb root's ATR class.
Serial verbs chain actions
serial verb constructionSeveral verbs appear in sequence with no conjunction between them. How do they share tense and subject information?
In Igbo serial verb constructions, multiple verb phrases follow each other without any conjunction. The first verb carries the tense/aspect prefix; subsequent verbs appear in their bare or infinitive form. The entire chain describes a single complex event.
Relative clauses use tone, not a relative pronoun
relative clausesTo describe "the person who spoke" or "the book that was written," Igbo simply juxtaposes the head noun and the verb. What signals that the verb belongs to a relative clause rather than a main clause?
Igbo has neither relative pronouns nor relative adverbials (Emenanjo 2015 p. 405–406). The marker is tonal: a floating downstep that lands on the verb of the relative clause and triggers an associative tone pattern on the head noun (the appositive type). A second pattern (the zero relative) simply juxtaposes the head NP with a clause containing a coreferential pronoun. In some lects an additional proclitic nke (or kè) can host the downstep before the verb. The English word "that" has no separate exponent in Igbo.
Verbal nouns: ị- prefix
verbal nounsTo name an action as a concept — "speaking," "going" — Igbo uses a special verb form that acts like a noun. How is it made?
The verbal noun (infinitive) is formed by prefixing ị- (or i-) to the verb stem. It functions as a noun: it can be the subject or object of a sentence. A characteristic Igbo pattern is V + VN (verb + verbal noun of the same root), which adds emphasis or completeness to the action.
Nouns and the animate plural ndị
noun pluralsIgbo nouns do not add a suffix the way English nouns do. So how does Igbo mark the plural, and does it treat people differently from things?
Igbo uses tone and a small set of plural markers. The word ndị (or ụmụ for younger people/children) precedes animate nouns to mark plural. For many inanimate nouns, number is left unmarked or indicated by context and quantifiers. Tone change on the noun can also signal plurality in some noun classes.
The full picture
synthesisLooking back at all the patterns — tones, na-/ga- prefixes, bụ/dị copulas, nke possession, -ghị negation — can you read these sentences and name each piece?
Igbo builds its sentences around a tonal system where every vowel is meaningful, a small set of TAM prefixes and suffixes on the verb, and a clear SVO order. The copulas bụ and dị divide "being" into identity and quality; nke links possession; serial verbs chain events without conjunctions.