a-

Class 1 Subject a-

Level 1

In Swahili, you don't always need a separate word for 'he' or 'she.' Instead, you attach the prefix a- to the beginning of the verb.

How It Works

The Class 1 Subject a- is one of the most common building blocks in Swahili. It tells us who is doing the action and is strictly third-person singular.

1. How to use it:
Attach a- to the front of the verb, followed by the tense marker, an optional object marker, and the verb root. For example, in anasoma (he/she is reading):

2. The Animacy Rule:
Even if a singular word for a person or animal belongs to a different noun class (like mbwa "dog" or rafiki "friend"), you must still use a- because they are living beings. This is called animacy override.

3. Dropping the Pronoun:
Because a- already means "he," "she," or "it" (for animals), you usually don't need to use the independent pronoun yeye (he/she) unless you want to add special emphasis.

4. A First Negative Contrast:
Anasoma means “he/she is reading”; hasomi means “he/she is not reading.” The ordinary negative statement uses ha- rather than a-. Start with this pair, then use Class 1 negative forms for the full pattern and negative instructions for a different construction.

5. The Habitual Exception:
There is one major exception: the habitual tense marker hu- (used for things done usually or always) does not take any subject prefixes. So, "he/she usually reads" is simply husoma, not ahusoma.

6. The Locative Copula Exception:
For Class 1, the subject prefix changes from a- to yu- when used with locative copulas (e.g., yupo, yumo).

Examples (4)

  1. Mwalimu anataka jibu.

    The teacher wants an answer.

    Word by Word: Teacher he/she-present-want answer.

    The prefix a- attaches to -na- (present tense) and taka (want).

  2. Mama anaona upinde wa mvua.

    Mother sees a rainbow.

    Word by Word: Mother she-present-see rainbow of rain.

    Swahili is gender-neutral, so a- is used for 'she' just as it is for 'he'.

  3. Mbwa alikimbia.

    The dog ran.

    Word by Word: Dog it-past-run.

    Even though 'mbwa' is a Class 9 noun, we use a- because it is an animal.

  4. Anapika chakula.

    He/she is cooking food.

    Word by Word: He/she-present-cook food.

    Notice that we don't need the word 'yeye' (he/she). The prefix a- is enough.

Common Mistakes

  • Using the wrong prefix for animals or people in other noun classes.

    Mbwa inakimbia.
    Mbwa anakimbia.

    Always use the Class 1 prefix a- for singular living things (people and animals), regardless of their noun class.

  • Overusing the pronoun 'yeye'.

    Yeye anasoma kitabu kila siku.
    Anasoma kitabu kila siku.

    Swahili drops subject pronouns by default. Only use 'yeye' if you are emphasizing 'HE is reading (not someone else).'

How It Connects

Tap a pattern to see what it builds on and what it leads to.

a-Level 1Class 1 Subject a-

Learn This First

To understand the 'a-' subject marker, you first need to know that Swahili verbs require a prefix to agree with the subject. You also need to be familiar with the Class 1 noun group (people) and the general layout of the Swahili verb word.

Learn Next

Patterns that build on this one.

Words in This Pattern

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