-ks
Spoken -ks Questions
In spoken Finnish (puhekieli), the standard question ending -ko/-kö is shortened to -ks. It often fuses with pronouns, turning oletko sinä into ooksä.
How It Works
In everyday Finnish, speakers prioritize speed and flow. This leads to the common question ending -ks. This ending is actually a combination of the interrogative clitic -ko/-kö and the familiar -s particle. Pragmatically, the addition of the -s serves to soften the tone, making questions sound friendlier and less abrupt in conversation.
1. Attachment and Sound Changes
The -ks ending is invariant, meaning it stays the same regardless of vowel harmony. When it attaches to a verb ending in -t (like oot or tuut), the -t changes to a -k for easier pronunciation: oot + ks = ooks. In some Western dialects, you may also hear a shorter -k variant (e.g., onk se? instead of onks se?).
2. Fusion and Deletion
In spoken Finnish, the verb and pronoun often merge or the pronoun is dropped entirely:
- Fusion: Ootko sä → Ooksä? (Are you?)
- Deletion: Onko se → Onks? (Is it? / Is he/she?)
- Standard Spoken Question: Tuleeko se → Tuleeks? (Is it/he/she coming?)
3. Beyond Verbs
Just like the standard question clitic, -ks can attach to any word moved to the front for emphasis (a process called focusing). For example: Tänäänks? (Today?) or Sulleks? (For you?).
4. Register
This is a hallmark of spoken Finnish. While it is the standard for talking and texting, you should use the full -ko/-kö forms in formal writing to become proficient in all registers.
Examples (4)
- Onks se jo valmis?
Is it ready already?
Word by Word: Is-it it already ready?
Standard: 'Onko se jo valmis?'. The -ko is shortened to -ks and attached to the verb 'on'.
- Ooksä tulossa huomenna?
Are you coming tomorrow?
Word by Word: Are-you coming tomorrow?
Standard: 'Oletko sinä tulossa huomenna?'. Here, 'oletko sä' has fused into the common spoken form 'ooksä'.
- Tuleeks Mikko mukaan?
Is Mikko coming along?
Word by Word: Comes-question Mikko along?
Standard: 'Tuleeko Mikko mukaan?'. The vowel 'o' is dropped, leaving the -ks ending.
- Eiks se ollu täällä?
Wasn't it here?
Word by Word: Not-question it was here?
Standard: 'Eikö se ollut täällä?'. The negative question word 'eikö' becomes 'eiks' in speech.
Common Mistakes
Using -ks in formal writing.
Different MeaningOnks teillä vapaa paikka?Onko teillä vapaa paikka?While 'onks' is perfect for a chat with a friend, use the full '-ko/-kö' form in job applications or formal inquiries.
Mixing up the translative -ks and a plain duration.
Different MeaningOoksä täällä viikoks?Ooksä täällä viikon?Both are fine. 'Viikoks' (viikoksi) is the translative: it asks about a planned stay for a week. 'Viikon' only gives the length. Do not confuse this -ks at the end of a noun with the question ending -ks, which comes on the verb.
How It Connects
Learn This First
To understand spoken -ks questions, you first need to know how standard yes-no questions are formed with the -ko/-kö suffix. Since this pattern is specific to spoken Finnish, you also need to be familiar with spoken personal pronouns and the spoken conjugation of the verb 'olla', as these are frequently combined with the shortened question marker.
Related Patterns
- mä / sä / se / me / te / neSpoken Pronouns
-ks questions frequently fuse with these spoken pronoun forms (e.g., ootko sä -> ooksä).
Level 1 - Written vs Spoken Finnish
Understanding the difference between these registers is essential for knowing when to use -ks versus -ko.
Level 3 - -ksiTranslative (-ksi)
The translative case ending -ksi also shortens to -ks in speech, which can be confusing for learners.
Level 3 - -sFamiliar -s
The -ks ending is a fusion of the question clitic and this familiar particle.
Level 3