Modal Verbs: kan, mag, moet, wil, sal | Afrikaans Grammar

Modal verbs are the small helper verbs that colour an action with ability, permission, obligation, desire, or futurity — English "can, may, must, want, will". Afrikaans has a tidy core set of five, and learning them does two things at once: it lets you express most of the nuance that other languages pack into verb endings, and it gives you your first encounter with the verb-bracket word order that runs through the whole language. The grammar is wonderfully regular — the modal sits in second position, and the main verb gets thrown to the end as a bare infinitive.

The five core modals

Modal	Core meaning	English
kan	ability / possibility	can, be able to
mag	permission	may, be allowed to
moet	obligation / necessity	must, have to
wil	desire / volition	want to
sal	futurity / prediction	will, shall

Like every Afrikaans verb, the modals never change for the subject: ek kan, jy kan, sy kan, ons kan, hulle kan — one form throughout. Their nuances of meaning (and the overlap between, say, moet and obligation versus expectation) are explored on the modal meanings page; here we focus on the shared structure.

Ek kan swem.

I can swim.

Jy mag gaan.

You may go. / You're allowed to go.

Ons moet werk.

We have to work.

Sy wil slaap.

She wants to sleep.

Hulle sal kom.

They'll come.

In a short sentence like ek kan swem, the structure is easy to miss because the infinitive happens to be the last word anyway. The pattern becomes visible the moment you add anything else — an object, a place, a time. The modal holds second position; the main verb, as a bare infinitive, is pushed all the way to the end of the clause, with everything else packed in between.

Ek kan Afrikaans praat.

I can speak Afrikaans.

Ek wil môre huis toe gaan.

I want to go home tomorrow.

Jy moet jou kamer skoonmaak.

You have to clean your room.

Look at ek wil môre huis toe gaan: the modal wil is second, then the time môre, then the destination huis toe, and only at the very end the infinitive gaan. The modal and the infinitive form a "bracket" — wil … gaan — clamped around the rest of the clause. This is exactly the same bookend logic you saw in the past tense (het … geloop) and will see in the future (sal … kom). Linguists call it the verb bracket, and once you spot it once, you spot it everywhere. It is laid out fully on the clause-final verb page.

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The instinct to fight is English word order. English keeps the modal and its verb together — "I can speak Afrikaans". Afrikaans pries them apart: ek kan Afrikaans praat. The infinitive waits at the door.

No "to", and no ge-

Two small things the modals do not require. First, there is no "to" between the modal and the infinitive — the infinitive is bare. English speakers, primed by "I want to go" and "I have to work", keep trying to insert a te or an om te; after a modal, neither belongs. (Contrast this with non-modal verbs like hoop or probeer, which do take om te — see the infinitive overview.)

Second, when you put a modal into the past, the modal does not take the ge- participle prefix. Modals form their past with their own special preterite forms — kon (could), moes (had to), wou (wanted to), sou (would) — not with het ge-. (The old preterite mog for mag survives only in frozen, archaic phrasing; in everyday Afrikaans you simply leave mag unchanged or paraphrase.) We mention this only so you recognise it; the full table lives on the modals in the past page.

Ek moet 'n e-pos stuur.

I have to send an email. (present — bare infinitive, no 'to')

Ek moes 'n e-pos stuur.

I had to send an email. (past — moes, no ge-)

Modals can stack

Afrikaans lets you put two modals together, with the second one's infinitive still landing at the end. This "double modal" lets you express things English needs a workaround for, because English cannot stack its modals (I will can swim is impossible, forcing "I'll be able to swim").

Ek wil kan swem.

I want to be able to swim.

Jy sal moet wag.

You'll have to wait.

Ons sal kan help.

We'll be able to help.

The order reads left to right exactly as the meaning builds up: in jy sal moet wag, sal sets the future, moet adds the obligation, and wag (the lexical verb) closes the clause. This neat stacking is one of the quiet conveniences of Afrikaans.

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When two modals stack, the lexical (main) verb is still the one that goes last as a bare infinitive: sal moet wag, wil kan swem.

Common mistakes

❌ Ek kan praat Afrikaans.

Incorrect — English word order. The infinitive must go to the clause end.

✅ Ek kan Afrikaans praat.

I can speak Afrikaans.

❌ Ek wil te gaan. / Ek moet om te werk.

Incorrect — no 'to' after a modal; the infinitive is bare.

✅ Ek wil gaan. / Ek moet werk.

I want to go. / I have to work.

❌ Sy kans swem. / Hulle salle kom.

Incorrect — modals never take a subject ending; one form for all.

✅ Sy kan swem. / Hulle sal kom.

She can swim. / They'll come.

❌ Ek het môre huis toe wil gegaan.

Incorrect — modals don't form their past with het + ge-; use the preterite wou.

✅ Ek wou môre huis toe gaan.

I wanted to go home tomorrow.

Key takeaways

The core modals are kan, mag, moet, wil, sal, each invariant for the subject.
A modal takes a bare infinitive that lands at the end of the clause — your first verb-bracket.
There is no "to" after a modal, and the modal takes no ge- in the past (it uses preterites like kon, moes, wou).
Modals can stack (ek wil kan swem), with the main verb still last.
For meanings, see modal meanings; for the past forms, modals in the past; for the underlying word order, clause-final verbs.

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