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Questions & Answers about Poika juoksee metsässä.
If juoksee (runs) is a movement verb, why do we use the static location ending -ssä in metsässä?
In Finnish, movement verbs often trigger "to" or "from" endings. However, if the movement happens entirely within one place, you use a static "in" ending. Because the boy is running around inside the forest rather than entering it, we use metsässä. If he were running into the forest from the outside, you would use metsään.
Why does the verb juoksee look so different from its dictionary form juosta?
Juosta is a Type 3 verb (ending in -sta). To make it ready for a sentence, you drop the -sta and add -kse- to get the stem juokse-. Then you add the personal ending. For the "he/she/it" form, we just double the last vowel, making it juoksee.
Why is the ending -ssä instead of -ssa on metsässä?
This is due to vowel harmony. The word metsä (forest) contains the front vowels e and ä. Finnish rules dictate that you cannot mix these with back vowels like a, so the ending must use the front-vowel version (-ssä) rather than the back-vowel version (-ssa).
How do we know if it means "The boy runs" or "The boy is running"?