-malı/-məli (ehtimal)

Inferential Probability with -malı/-məli

Level 5

While -malı/-məli usually expresses obligation ('must'), it can also indicate logical inference ('It must be...'). To distinguish this from a command, speakers often rely on context or modal adverbs, and use the -mış olmalı construction for past deductions.

How It Works

The suffix -malı/-məli follows vowel harmony rules. When used for probability, it functions as a logical deduction rather than a requirement.

1. Present Inference:
To say 'He must be at home' (based on evidence), you attach the suffix to the verb olmaq (to be): O, evdə olmalıdır. Note that the assertive copula is standard for the 3rd person in both obligation and probability meanings.

2. Negative Inference:
To express that something 'must not' be the case (negative logical deduction), use the -mamalı/-məməli form. For example: O, hələ evdə olmamalıdır (He must not be home yet).

3. Distinguishing Meanings:
Because the form is identical to the necessity mood, context is vital. To ensure the listener understands you are making a guess/inference, use modal particles like yəqin ki (probably) or görünür ki (it seems that).

4. Past Inference:
Unlike some other Turkic languages, Azerbaijani does not use '-malı idi' for inference. O gəlməli idi usually means 'He was supposed to come.' For logical deductions about the past, you usually use the -mış olmalıdır structure (e.g., O, yolu azmış olmalıdır - 'He must have lost his way').

Examples (4)

  1. İşıqlar yanır, yəqin kimsə içəridə olmalıdır.

    The lights are on; someone must be inside.

    Word by Word: Lights are-burning, probably someone inside must-be.

    The speaker sees the lights (evidence) and makes a logical deduction using 'olmalıdır'.

  2. Sən bütün gün işləmisən, çox yorulmuş olmalısan.

    You've worked all day; you must be very tired.

    Word by Word: You all day have-worked, very tired must-be-you.

    Here, -malı is used with the 2nd person singular to infer the person's current state based on their previous actions.

  3. Bu saatda o, artıq Bakıda olmalıdır.

    At this hour, he must already be in Baku.

    Word by Word: This hour-at he, already Baku-in must-be.

    A deduction based on a schedule or known travel time.

  4. Hər kəs gülür, yəqin maraqlı bir film olmalıdır.

    Everyone is laughing; it must be an interesting movie.

    Word by Word: Every person is-laughing, probably interesting one movie must-be.

    The laughter serves as the evidence for the logical conclusion about the movie's quality.

Common Mistakes

  • Using -malı idi for a past guess.

    Different MeaningO dünən gəlməli idi.
    O dünən gəlmiş olmalıdır.

    'O dünən gəlməli idi' is a good sentence: 'He was supposed to come yesterday' (an unmet obligation). For 'He must have come', use -mış olmalıdır.

  • Leaving the meaning open.

    Different MeaningO indi evdə olmalıdır.
    Yəqin ki, o indi evdə olmalıdır.

    'O indi evdə olmalıdır' is a good sentence. It can mean 'He must be at home' (a guess) or 'He has to be at home' (a duty). Add a word such as yəqin ki to make it a clear guess.

How It Connects

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

-malı/-məli (ehtimal)Level 5Inferential Probability with -malı/-məli

Learn This First

To understand the inferential use of -malı/-məli (e.g., 'He must be at home'), learners first need to be familiar with its primary meaning of obligation ('He must go'). Additionally, since this pattern often appears with the assertive copula -dır/-dir/-dur/-dür to mark a logical deduction, knowledge of that suffix is essential.