Ability and knowing how (kunna að)

Expressing Skills with "kunna"

To express that you know how to do something or have a specific skill, use the verb kunna (to know how to / can) followed by the infinitive marker and the main verb.

Kunna is irregular. Here is its present tense conjugation:

PronounVerb
égkann
þúkannt
hann/hún/þaðkann
viðkunnum
þiðkunnið
þeir/þær/þaukunna
Do you know how to knit?
Kunnið þið að prjóna?
Does he know how to play chess?
Kann hann að tefla?
They know how to build a house.
Þeir kunna að smíða hús.

To make a sentence negative, place ekki immediately after the conjugated kunna, before .

I do not know how to program the computer.
Ég kann ekki að forrita tölvuna.

Languages and Instruments

This structure is often used for speaking languages or playing instruments. Note that playing an instrument requires the preposition á followed by the instrument in the accusative case (e.g., spila á gítarinn).

Do they know how to speak French?
Kunna þær að tala frönsku?
The woman knows how to knit and speak Spanish.
Konan kann að prjóna og tala spænsku.
The girl knows how to play the piano.
Stelpan kann að spila á píanóið.
Which boy knows how to play the guitar?
Hvaða strákur kann að spila á gítarinn?