Tarvitsen vitamiineja.

I need vitamins.

Breakdown of Tarvitsen vitamiineja.

• minä: I
• tarvita: to need
• vitamiini: the vitamin

Questions & Answers about Tarvitsen vitamiineja.

Why is the object vitamiineja in the partitive plural instead of the nominative plural vitamiinit?

Because tarvitsen expresses a need for an indefinite or partial amount (“some vitamins”), Finnish uses the partitive case. The nominative plural vitamiinit would sound like “I need the vitamins” (all of them, definite set).

What exactly is the partitive case, and why do we use it with tarvitsen?

The partitive case marks an incomplete, ongoing or indefinite quantity. With verbs of wanting or needing (like tarvita), the object often stays in partitive to show you need some amount, not the whole.

How do you form the partitive plural of vitamiini?

Nouns ending in a long -i change that i to e and add -ja/jä: vitamiini → vitamiine- + ja = vitamiineja

How is tarvitsen formed from the infinitive tarvita?

Tarvita is a Type IV verb (–ta/–tä ending). In the present tense 1 sg you drop –ta and add –sen: tarvita → tarvits- + sen = tarvitsen