Master Finnish Cases and Grammar: 15 Case Suffixes, Moods and the Missing Negative Verb
Master Finnish cases and grammar with 98 flashcards: the 15 case suffixes, partitive objects, conditional and potential moods, plus the cards to add or fix.

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Finnish grammar has a reputation it only half deserves: 15 cases sounds frightening, but most of them are a single suffix paired by vowel harmony. The Finnish Cases & Grammar deck (code LX9087, 98 cards) works like a reference sheet in flashcard form. It covers case endings, pronouns, tenses, moods, comparison and colloquial speech. Here is how to turn it into something you can actually use.
Study this deck: Finnish Cases & Grammar
1 / 10Nominative case suffix
Tap the card for the answer · swipe right if you knew it, left if not
Sample cards
| Front | Back |
|---|---|
| Partitive case suffix | -(t)a / -(t)ä, indefinite or partial objects: taloa |
| Illative case suffix | -Vn, -seen, -siin, 'into': taloon |
| Translative case suffix | -ksi, 'into (the role of)': kouluksi |
| Numerals affect noun case | after a numeral (not 1), partitive singular: kaksi koiraa |
| You express possession | adessive + olla: minulla on rahaa |
| Conditional mood marker | -isi-: haluaisin (I would like) |
| Consonant gradation in verbs | tietää → tiedän |
| Zero person | saunassa hikoilee (in the sauna, one sweats) |
Also covered: nominative, genitive, accusative, inessive, elative, adessive, ablative, allative, essive, instructive, abessive, comitative; minä, sinä, hän, me, te, he; tämä, tuo, se, nämä, nuo; kuka, mikä, joka, joku, jokin, kukaan, mikään, jokainen, toisiaan, itse; imperfect -i-, perfect olen ottanut, pluperfect olin ottanut; impersonal passive maalataan; potential -ne-; imperatives tule!, tulkaa!, älä sano!; -mpi / -in comparison (hyvä, parempi, paras); postpositions with the genitive (pöydän alla); -nen adjectives; colloquial mä, sä, oon, tuun.
Reorder before you review
The deck follows a Wikipedia outline and jumps around: suffixes (1-15), case groupings (16-18), then verbs, olla, noun stems and pronouns again. Start with cards 16-18. Once you know that inessive, elative and illative form one 'inside' set and adessive, ablative and allative form the matching 'surface' set, cards 5-10 become a 2 × 3 grid instead of six separate facts. Next, put the object cards together: 3 (accusative), 4 and 94 (partitive), 57 (numerals), 95 (telic verbs). They are the most important cards in the deck and they are scattered.
Repairs and gaps
- Card 58 illustrates vowel harmony with talossa vs. talossä. Talossä doesn't exist. Use talossa vs. metsässä instead.
- Cards 25 and 52 ask the same gender question. Keep one.
- Card 13: taloin is a strange example of the instructive. The case survives in fixed phrases such as jalan (on foot) and omin käsin (with one's own hands).
- The negative verb is missing. Cards 85-86 use ei kukaan, but no card conjugates en, et, ei, emme, ette, eivät + the connegative stem (en tiedä). Write those six cards before card 1. The same goes for possessive suffixes (-ni, -si, -nsa), which appear only in card 89's itselleni.
- Consonant gradation (cards 59, 91) has just one example each. Add cards for kk/k, pp/p, tt/t and nk/ng.
For vocabulary to put these cases on, see Memorize 1000 Finnish Words by Frequency. LX9087 is in the library once you sign in at flip-it.app.
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