Breakdown of Säästät polttoainetta ajamalla toisella autolla.
auto
car
ajaa
to drive
toinen
other, another; second
säästää
to save (money, resources)
polttoaine
fuel
Questions & Answers about Säästät polttoainetta ajamalla toisella autolla.
Why is toisella used here instead of muulla?
The word toinen means "the other" or "another" (often implying one of two, or another specific item of the same kind). The word muu means "other" in the sense of "different" or "else". Because the speaker is referring to a specific alternative car ("the other car"), we use toinen in its adessive form, toisella.
Why are both toisella and autolla in the -lla (adessive) form?
In Finnish, pronouns and adjectives must agree with the noun they describe. Because you drive "by car" (autolla takes the adessive case to show the instrument or means of transport), the pronoun describing it must also take the adessive case (toisella).
How does the word ajamalla translate to "by driving"?
This is the 3rd infinitive form of the verb ajaa (to drive). You form it by taking the strong verb stem (aja-), adding the marker -ma- or -mä-, and then attaching the adessive ending -lla or -llä. This specific structure expresses "by doing" an action. Therefore, ajamalla literally means "by driving".
Why is the word for fuel (polttoaine) in the partitive case as polttoainetta?
Polttoaine is a mass noun, meaning it is an uncountable substance. When the object of an action is an indefinite or unspecific amount of a substance, it must be in the partitive case. Here, you are saving "some amount of fuel," so it becomes polttoainetta.
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