Understanding the past tense in Finnish is a major milestone for language learners.

Finnish has two main past tenses that you’ll use in everyday conversations.

These are the imperfect tense and the perfect tense.

Knowing when to use each one makes your Finnish sound much more natural.

In this guide, I’ll explain exactly how to form and use both of these important tenses.

The Finnish imperfect tense

Despite its formal name, the Finnish imperfect tense is simply the basic past tense.

It describes an action that happened and ended completely in the past.

This is the most common past tense you’ll use when telling stories or talking about yesterday.

To form the imperfect tense, you take the verb stem and add the past tense marker i.

After the i, you add the standard personal ending for the pronoun you’re using.

Here’s an example of how to conjugate the verb puhua (to speak) in the imperfect tense.

Notice how the a at the end of the stem drops away to make room for the i marker.

Here are a few examples of the imperfect tense in action.

The Finnish perfect tense

The Finnish perfect tense describes an action that started in the past but still affects the present.

It directly translates to “have done” or “has done” in English.

You form the perfect tense by using a helper verb and a main verb.

The helper verb is always olla (to be) conjugated in the present tense.

The main verb is changed into its past participle form.

For singular pronouns, the past participle ends in -nut or -nyt.

For plural pronouns, the past participle ends in -neet.

Here’s how you conjugate puhua (to speak) in the perfect tense.

Here are a few examples of the perfect tense in real sentences.

Imperfect vs perfect: Which one to choose?

The choice between the imperfect and the perfect tense comes down to the timeframe.

You must use the imperfect tense if the time period is completely over.

Words like eilen (yesterday) and viime vuonna (last year) require the imperfect tense.

You should use the perfect tense if the time period is still ongoing.

Words like tänään (today) or tällä viikolla (this week) often require the perfect tense.

You also use the perfect tense when the exact time doesn’t matter.

If you want to say you’ve experienced something in your life, the perfect tense is the right choice.

Compare these two sentences to see the difference clearly.

In the first example, the action is tied to a specific, finished time in the past.

In the second example, the speaker is simply stating a fact about their life experience.

Spoken Finnish variations in the past tense

Native Finnish speakers frequently shorten words in spoken language (puhekieli).

This means the past tense sounds slightly different when you chat with locals.

In the imperfect tense, personal pronouns are usually shortened.

For example, minä becomes mä and sinä becomes sä.

The most important spoken difference is in the me (we) form.

In spoken Finnish, the first-person plural uses the passive form instead of the standard imperfect ending.

Instead of saying me puhuimme (we spoke), locals usually say me puhuttiin.

The perfect tense also gets shortened in casual conversation.

The helper verb olla is often compressed from olen to oon and olet to oot.

Furthermore, the past participle often loses its final t.

Instead of saying olen puhunut, a native speaker usually says oon puhunu.

Understanding these spoken variations helps you follow real Finnish conversations.