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Finnish grammar explained for learners

Verb types, cases, consonant gradation, sentence types and spoken Finnish, each with examples and exercises.

Updated 19 September 2026

Finnish grammar is famous for being hard and it is really only long. There are more forms to learn than in English, but almost no exceptions once you know the patterns. This reference gives you the patterns in the order you need them, with examples from the life you are living here.

Start with these four

  1. Vowel harmony: which of the two versions of an ending to use. Ten minutes.
  2. Consonant gradation: why kauppa becomes kaupassa. Half the words you say.
  3. The cases: in, from, to, on and the rest. The six locative cases are the heart of everyday Finnish.
  4. Verb type 1: two thirds of all verbs.

Then the other verb types

Type 2 (syödä, saada, tehdä) · Type 3 (olla, tulla, mennä) · Type 4 (haluta, osata, tavata) · Type 5 (tarvita, valita) · Type 6 (vanheta, lämmetä)

And the Finnish you actually hear

Spoken Finnish: mä and sä, me mennään, ne tulee, en tiiä, the question -ks, and the small words Finns say all day.

In this section

Consonant gradation (KPT)Why kauppa becomes kaupassa and ottaa becomes otan. Every consonant gradation pair (kk-k, pp-p, tt-t, k-∅, p-v, t-d, nk-ng, mp-mm, lt-ll, nt-nn, rt-rr, lk-l, rk-r, ht-hd), when the weak grade appears, reverse gradation, and a quiz.A1Vowel harmonyThe rule that decides whether an ending is -ssa or -ssä, -vat or -vät, -ko or -kö: back vowels a, o, u versus front vowels ä, ö, y, with e and i neutral. How compound words and loanwords behave, with a quiz.A1The Finnish casesWhat each of the 15 Finnish cases means, the question it answers, its ending, and an example for every one, from the everyday six locative cases to the rare ones. The three forms you must memorise for every noun, and a quiz.A1Spoken FinnishWhy textbook Finnish and street Finnish sound like two languages, and the ten changes that turn one into the other: mä and sä, the passive for we, dropped endings, shortened verbs, question -ks, numbers, and the small words Finns say all day.A2Verb type 1How to conjugate Finnish verb type 1, the largest group of verbs ending in two vowels: the stem, the endings, consonant gradation in minä and sinä forms, the negative and the past tense, with tables, examples and a quiz.A1Verb type 2How to conjugate Finnish verb type 2, the -da/-dä verbs like syödä, juoda, saada, voida, tehdä and nähdä: the stem, the endings, the past tense vowel changes, and the two irregular verbs you use every day.A1Verb type 3How to conjugate Finnish verb type 3, the verbs ending in -la, -lä, -na, -nä, -ra, -rä, -sta, -stä: add -e- to the stem, keep the strong grade in every person, and learn olla, tulla, mennä and opiskella.A1Verb type 4How to conjugate Finnish verb type 4, the verbs ending in a vowel plus -ta/-tä like haluta, tavata, osata, avata, pelata and herätä: the -t- disappears, the stem doubles its vowel, the past takes -si-, and gradation runs in reverse.A1Verb type 5How to conjugate Finnish verb type 5, the verbs ending in -ita/-itä like tarvita, valita, häiritä and merkitä: the stem takes -tse-, the past takes -tsi-, and there is no consonant gradation.A2Verb type 6How to conjugate Finnish verb type 6, the -eta/-etä verbs of becoming like vanheta, kylmetä, lämmetä, pimetä and paeta: the stem takes -ne-, the past takes -ni-, and gradation runs in reverse.B1