Questions & Answers about Mies kantoi nahkaisen laukun sisään.
How is the adjective nahkaisen formed from the noun nahka?
The suffix -inen turns the noun nahka (leather) into the adjective nahkainen (made of leather). Because adjectives must agree with the noun they modify, it takes the same case as the object laukun. Words ending in -nen change that ending to -se- before adding the -n suffix, resulting in nahkaisen.
Why do nahkaisen and laukun both end in -n here?
They form the object of the sentence. Because the action of carrying the bag was viewed as a complete action, Finnish uses the total object case (often called the genitive-accusative), which ends in -n. If the man were carrying it endlessly or the action was incomplete, you would use the partitive case instead (nahkaista laukkua).
Why use sisään instead of sisällä for the word inside?
Finnish is very precise about direction. The verb kantoi (carried) involves movement towards a destination. sisällä means statically resting inside something, while sisään means movement into the inside. You use sisään when taking or moving things indoors.
How does the verb kantaa become kantoi in the past tense?