Questions & Answers about Opiskelija katsahti opettajaan.
How does katsahti differ from simply saying katsoi?
Katsahtaa is a momentane verb derived from katsoa (to look). The suffix -ahtaa indicates that the action is sudden, brief, and happens only once. While katsoi means looked (which could be for an extended period), katsahti specifically means glanced or gave a quick look.
How exactly is the suffix -ahtaa added to the base verb katsoa here?
To form this momentane verb, the suffix is added to the shortened stem of the original verb. For katsoa, you drop the final vowel -o- from the stem katso-, leaving the consonant stem kats-. Then you add the suffix -ahtaa, giving you katsahtaa.
Why is the teacher in the illative case (opettajaan) instead of the allative (opettajalle)?
In Finnish, verbs related to looking, glancing, or staring usually direct the action into the target, requiring the illative case. Just like you say katsoa opettajaan (to look at the teacher), the derived verb katsahtaa keeps the same case requirement, even though in English we say we look at someone.
How do you form the past tense katsahti from the new infinitive katsahtaa?
Derived verbs ending in -ahtaa behave like regular Type 1 verbs. To form the past tense, you take the infinitive stem (katsahta-), drop the final -a, and add the past tense marker -i, resulting in katsahti for the third-person singular.
Learn Opiskelija katsahti opettajaan and more in Finnish
All course content and exercises are completely free — no paywalls, no trial periods, no signup needed.
- ✓ Practice with interactive exercises
- ✓ Track your progress with spaced repetition
- ✓Learn at your own pace — completely free