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A1 verb 9 min de lectura

tietää

to know

At the A1 level, learners use 'tietää' in its simplest forms, primarily to express having or lacking information. The focus is on the present tense 'tiedän' (I know) and 'en tiedä' (I don't know). Learners are introduced to basic questions like 'Tiedätkö sinä?' (Do you know?) and simple sentences where 'tietää' is followed by a name or a simple fact. Consonant gradation (t -> d) is introduced here as a fundamental rule to memorize. The distinction between 'tietää' and 'osata' (e.g., knowing a fact vs. knowing how to swim) is a key learning objective. Phrases like 'En tiedä' are essential survival Finnish, used when one cannot answer a question or understand a prompt.
At the A2 level, learners expand their use of 'tietää' to include subordinate clauses, most notably 'että' (that) clauses. For example, 'Tiedän, että hän on kotona' (I know that he is at home). They also begin using it with interrogative pronouns like 'missä' (where), 'kuka' (who), and 'mikä' (what). The past tense 'tiesin' (I knew) and the perfect tense 'olen tiennyt' (I have known) are introduced. Learners start to see the verb in social contexts, such as asking for directions or confirmation. They are expected to correctly apply consonant gradation in most common forms and begin to distinguish 'tietää' from 'tuntea' when talking about people versus facts.
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At the B1 level, 'tietää' is used more flexibly to discuss topics and fields of knowledge using the elative case (tietää jostakin). For instance, 'Hän tietää paljon Suomen historiasta' (He knows a lot about Finnish history). Learners understand the nuances of the passive form 'tiedetään' (it is known) and the conditional 'tietäisin' (I would know). They can handle more complex sentence structures and use 'tietää' to express uncertainty or probability in combination with other words. Idiomatic expressions like 'Ei sitä koskaan tiedä' (You never know) become part of the learner's active vocabulary. The focus shifts toward using the verb to participate in discussions and provide more detailed information.
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At the B2 level, learners use 'tietää' in professional and academic contexts. They can differentiate between 'tietää' and more formal alternatives like 'olla tietoinen' (to be aware). They understand the use of 'tietää' in argumentative speech, such as 'Kuten kaikki tietävät...' (As everyone knows...). The use of the verb in various participial forms (e.g., 'tietävä' - knowing, 'tiettävä' - known/reputable) is explored. Learners can discuss abstract concepts of knowledge, epistemology, and the limits of what can be known. They are comfortable with the verb's behavior in complex grammatical structures, including various infinitive forms and their uses in formal writing.
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At the C1 level, the learner masters the subtle, often metaphorical uses of 'tietää.' This includes its use to signify 'to mean' or 'to result in' (e.g., 'Tämä tietää ongelmia' - This means/portends trouble). The learner can use the verb to express deep intuition or foreshadowing. They are familiar with archaic or highly literary uses of the word and can appreciate its role in Finnish proverbs and classic literature. The distinction between 'tietää' and related verbs like 'mieltää' or 'havaita' is clear. C1 learners use 'tietää' with high precision in nuanced debates, distinguishing between empirical knowledge, hearsay, and theoretical knowledge.
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At the C2 level, the speaker has a native-like command of 'tietää' across all registers. They can use it in philosophical discourse to discuss the nature of truth and existence. They are adept at using the verb in creative writing, utilizing its full range of historical and dialectal variations if necessary. The speaker understands the legal and technical implications of 'knowing' in specialized fields (e.g., 'tietoinen huolimattomuus' - conscious negligence). They can use 'tietää' to convey irony, sarcasm, or profound emphasis. The verb is no longer a grammar point but a versatile tool for expressing the finest shades of human consciousness and certainty.
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Ejemplos Notas y consejos

tietää en 30 segundos

  • Tietää is the Finnish verb for knowing facts, information, and data.
  • It is a Type 1 verb that features consonant gradation (t changes to d).
  • Never use it to say you know a person; use 'tuntea' for that.
  • Commonly followed by 'että' (that) or question words like 'missä' (where).

The Finnish verb tietää is one of the most fundamental pillars of the language, representing the possession of factual information, data, or objective truth. At its core, it translates to 'to know' in English, but its usage is strictly delimited compared to its English counterpart. In Finnish, you use tietää when you are aware of a fact, a piece of news, or an answer to a question. It is the verb of the mind, the intellect, and the memory. When you say 'Minä tiedän,' you are asserting that the information is stored in your brain as a certainty.

Factual Certainty
Used for names, dates, addresses, and scientific facts. If the object of your knowledge is a 'thing' or a 'that-clause' (että-lause), tietää is your primary choice. For example, knowing what time it is or knowing who won the game.
Predictive Knowing
In certain contexts, tietää can imply a sense of 'portending' or 'leading to.' For instance, dark clouds 'know' (signify) rain. This is a more advanced, metaphorical usage often found in literature or weather talk.

Minä tiedän, että hän asuu Helsingissä.

— I know that he lives in Helsinki.

It is crucial to distinguish tietää from its cousins tuntea (to know a person or feel something) and osata (to have a skill). You would never use tietää to say you know a person; that would imply you know facts about them but haven't met them. Tietää is about the 'what,' while tuntea is about the 'who' or the 'familiarity.' In everyday conversation, you will hear this verb constantly in phrases like 'En tiedä' (I don't know), which is perhaps the most useful phrase for any learner.

Kuka tietää vastauksen?

— Who knows the answer?

In a cultural sense, Finns value accuracy. Saying 'tiedän' is a strong commitment to the truth of a statement. If there is doubt, a Finn might use 'luulen' (I think/believe) instead. Therefore, using tietää correctly helps you navigate the Finnish social landscape of honesty and directness. Whether you are discussing the news, asking for directions, or debating philosophy, tietää is the engine of your informational exchange.

Using tietää involves understanding its structural relationship with other words. Most commonly, it is followed by a subordinate clause starting with että (that) or an interrogative word (who, what, where, when). This mirrors the English 'I know that...' or 'I know where...' structures. However, when tietää takes a direct noun object, the case of that noun is vital.

With the Accusative/Genitive
When you know a specific, whole thing, like 'the way' (tien) or 'the truth' (totuuden), we use the genitive-looking accusative. Example: 'Minä tiedän tien' (I know the way).
With the Partitive
In negative sentences, the object always goes into the partitive. 'En tiedä tietä' (I don't know the way). Also, if the knowledge is partial or abstract, partitive might appear, though it is less common with this specific verb than others.

Tiedätkö sinä, missä posti on?

— Do you know where the post office is?

Another frequent pattern is using tietää with a person in the ablative case (-lta/-ltä) to indicate the source of information. 'Tiedän sen sinulta' (I know it from you). This is a very natural way to express how information travels through a social network. Furthermore, tietää can be used in the passive voice—'tiedetään'—to express what is generally known or 'it is known that...'

Me emme tiedä vielä tuloksia.

— We don't know the results yet.

Advanced users should note the difference between 'tietää jostakin' (to know about something) and 'tietää jotakin' (to know something). Using the elative case (-sta/-stä) focuses on the topic of knowledge rather than the specific facts. 'Hän tietää paljon autoista' (He knows a lot about cars) suggests expertise in a field, whereas 'Hän tietää auton hinnan' (He knows the price of the car) is a specific piece of data.

In Finland, tietää is omnipresent. You will hear it in the supermarket, in the classroom, and on the nightly news. It is the bedrock of information exchange. In a country that prides itself on high education and literacy, 'knowing' is a frequent topic of conversation. You'll hear it in the common phrase 'Mistä sinä tiedät?' (How do you know?), which is often used not as a challenge, but as a genuine curiosity about the source of information.

In News and Media
News anchors often use 'Tiettävästi' (As is known / reportedly), an adverb derived from tietää. They also use 'Tiedetään' when discussing historical facts or scientific consensus. 'Nyt tiedetään, että rokote toimii' (Now it is known that the vaccine works).
In Daily Socializing
In spoken Finnish (puhekieli), tietää often shortens or shifts in rhythm. You might hear 'Tiiätsä?' instead of 'Tiedätkö sinä?' (You know?). This is a filler phrase similar to the English 'you know?' used to check if the listener is following.

Ei sitä koskaan tiedä.

— You never know. (A very common Finnish idiom of resignation or caution).

In professional settings, tietää is used to define roles. 'Kuka tietää tästä projektista?' (Who knows about this project?). It establishes the hierarchy of information. In schools, teachers ask 'Kuka tietää?' to prompt students. It is a word associated with clarity and the removal of ambiguity, which is a key value in Finnish communication style.

Sitä ei voi tietää etukäteen.

— One cannot know that in advance.

Finally, in literature and pop culture, tietää appears in song lyrics about secrets and hidden truths. 'Vain taivas tietää' (Only heaven knows) is a classic trope. Whether it's the mundane 'I know where the keys are' or the profound 'I know my destiny,' this verb covers the entire spectrum of human certainty.

The most frequent pitfall for English speakers is the 'Know-Trinity' of Finnish: tietää, tuntea, and osata. English uses 'know' for everything, but Finnish demands precision. If you say 'Minä tiedän Pekan,' a Finn will look confused because that implies you know factual data points about Pekka but don't actually know him as a person. To know a person, you must use tuntea.

Mistake 1: Tietää vs. Tuntea
Incorrect: 'Tiedän tämän kaupungin.' (I know this city - as a fact?). Correct: 'Tunnen tämän kaupungin.' (I am familiar with this city). Use tietää for information, tuntea for familiarity/people.
Mistake 2: Tietää vs. Osata
Incorrect: 'Tiedän puhua suomea.' Correct: 'Osaan puhua suomea.' (I can/know how to speak Finnish). Osata is for skills and abilities. Tietää is for facts.

Hän tuntee minut, mutta hän ei tiedä nimeäni.

— He knows (is familiar with) me, but he doesn't know (the fact of) my name.

Another error involves the consonant gradation. Learners often forget to change the 't' to 'd'. Saying 'Minä tietän' instead of 'Minä tiedän' is a hallmark of a beginner. Remember: the 't' only stays in the 3rd person (hän tietää) and the infinitive (tietää). In all other personal forms, it weakens to 'd'.

En tiennyt, että olit täällä.

— I didn't know (past tense) that you were here. (Note the 'n' in the past participle).

Finally, the use of the partitive in negative sentences is a common stumbling block. You must say 'En tiedä sitä' (partitive of 'se') instead of 'En tiedä se'. This applies to all verbs, but because 'I don't know' is such a common phrase, the error is particularly noticeable here.

While tietää is the general-purpose verb for knowing, Finnish offers several nuances for different types of awareness. Understanding these can make your Finnish sound more natural and precise. Depending on whether you are talking about realizing something, being aware of a situation, or having a skill, you might choose a different word.

Tietää vs. Olla selvillä
Tietää is simple knowing. Olla selvillä (to be clear about) implies being well-informed or 'up to speed' on a complex situation. 'Oletko selvillä säännöistä?' (Are you clear on/aware of the rules?).
Tietää vs. Hoksata / Tajuta
These mean 'to realize' or 'to catch on.' While tietää is a state of having knowledge, tajuta is the moment that knowledge enters your mind. 'Tajusin sen vasta myöhemmin' (I only realized it later).
Tietää vs. Tuntea
As discussed, tuntea is for familiarity. 'Tunnen tämän reitin' means you've walked it before. 'Tiedän tämän reitin' means you've seen it on a map.

Hän ymmärtää asian, mutta hän ei tiedä kaikkia yksityiskohtia.

— He understands the matter, but he doesn't know all the details.

In formal contexts, you might see olla tietoinen (to be aware/conscious of). This is often used in official documents or professional feedback. 'Olemme tietoisia ongelmasta' (We are aware of the problem). It sounds slightly more detached and professional than just saying 'tiedämme'.

Hän osaa koodata, koska hän tietää paljon logiikasta.

— He knows how to code (skill) because he knows a lot about logic (facts).

To summarize: use tietää for facts, tuntea for people/familiarity, osata for skills, tajuta for realization, and ymmärtää for deep comprehension. Mastering these distinctions is a major step toward Finnish fluency.

Dato curioso

Because 'tietää' comes from 'tie' (road), the Finnish concept of knowledge is literally 'path-finding.' This suggests that for early Finns, knowledge was practical and navigational.

Guía de pronunciación

UK /ˈtie̯tæː/
US /ˈtie̯tæː/
Primary stress is always on the first syllable: TIE-tää.
Rima con
itää pitää siitää kiitää liitää niitää riitää viitää
Errores comunes
  • Pronouncing 't' as 'd' in the infinitive (it should be tietää, not tiedää).
  • Making the final 'ä' too short.
  • Pronouncing the 'ie' as two separate syllables instead of a diphthong.
  • Confusing 'ä' with 'a'.
  • Over-aspirating the 't'.
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Ejemplos por nivel

1

Minä tiedän vastauksen.

I know the answer.

Present tense, 1st person singular. Note the 'd'.

2

Tiedätkö sinä, missä Pekka on?

Do you know where Pekka is?

Question form with -kö suffix.

3

Hän ei tiedä nimeäni.

He/she doesn't know my name.

Negative form. Note the 't' returns in the stem after 'ei'.

4

Me tiedämme sen.

We know it.

1st person plural.

5

Tiedätkö kelloa?

Do you know the time?

Common idiomatic way to ask for the time.

6

He tietävät tien.

They know the way.

3rd person plural. Note the 't' stays.

7

En tiedä.

I don't know.

The most common negative phrase.

8

Tiedätkö tämän?

Do you know this?

Basic object in the genitive/accusative.

1

Tiedän, että olet väsynyt.

I know that you are tired.

Use of the 'että' (that) clause.

2

Mistä sinä tiedät sen?

How (from where) do you know that?

Use of the elative 'mistä' to ask for the source.

3

Tiesin sen jo eilen.

I knew it already yesterday.

Past tense (imperfekti).

4

Hän haluaa tietää totuuden.

He/she wants to know the truth.

Infinitive form after a modal verb.

5

Tiedätkö, milloin juna lähtee?

Do you know when the train leaves?

Subordinate clause with 'milloin'.

6

Emme tienneet, että olet täällä.

We didn't know that you are here.

Negative past tense.

7

Tiedätkö sinä tämän sanan?

Do you know this word?

Partitive object in a question (often used for partial knowledge).

8

Hän tietää kaiken autoista.

He knows everything about cars.

Use of the elative case for the topic.

1

On tärkeää tietää omat oikeutensa.

It is important to know one's own rights.

Infinitive as the subject of the sentence.

2

Kukaan ei voi tietää tulevaisuutta.

No one can know the future.

Abstract object in the partitive.

3

Jos tietäisin vastauksen, kertoisin sen.

If I knew the answer, I would tell it.

Conditional mood (tietäisin).

4

Tiedetään, että Suomi on onnellinen maa.

It is known that Finland is a happy country.

Passive form 'tiedetään'.

5

Olen tiennyt tämän jo kauan.

I have known this for a long time.

Perfect tense (olen tiennyt).

6

Hän tiesi kertoa, että bussi on myöhässä.

He knew to say (was able to inform) that the bus is late.

Specific construction 'tietää kertoa'.

7

Mistä voimme tietää, onko se totta?

How can we know if it is true?

Indirect question with -ko suffix.

8

Hän ei tiennyt asiasta mitään.

He didn't know anything about the matter.

Negative past with elative case.

1

Hän halusi varmistaa, että kaikki tietävät säännöt.

He wanted to ensure that everyone knows the rules.

Plural 3rd person 'tietävät'.

2

Tiettävästi hän on jo lähtenyt.

Reportedly (As is known), he has already left.

Adverbial form 'tiettävästi'.

3

Tämä päätös tietää suuria muutoksia.

This decision means (portends) great changes.

Metaphorical use meaning 'to result in'.

4

On vaikea tietää, mitä seuraavaksi tapahtuu.

It is hard to know what will happen next.

Impersonal construction.

5

Hän tiesi tarkalleen, mitä oli tekemässä.

He knew exactly what he was doing.

Use of 'tarkalleen' (exactly) as an adverb.

6

Kuten ehkä tiedätte, olemme vaihtaneet nimeämme.

As you may know, we have changed our name.

2nd person plural in a polite address.

7

Hän ei tiennyt olevansa vaarassa.

He didn't know he was in danger.

Participial construction 'olevansa' (that he was).

8

Tiedätkö yhtään, paljonko se maksaa?

Do you have any idea how much it costs?

Colloquial 'yhtään' (at all/any idea).

1

Hän tiesi kertoa tarinan, jota kukaan muu ei tuntenut.

He was able to tell a story that no one else knew.

Contrast between 'tietää' (facts of the story) and 'tuntea' (familiarity).

2

Se, mitä emme tiedä, voi vahingoittaa meitä.

That which we do not know can harm us.

Relative clause as the subject.

3

Tämä ei tiedä hyvää.

This does not bode well.

Idiomatic expression for portending.

4

Hän halusi tulla tiedetyksi suurena ajattelijana.

He wanted to be known as a great thinker.

Passive past participle in translative case.

5

Sitä ei voi tietää ennen kuin kokeilee.

One cannot know it before trying.

Generic 3rd person usage.

6

Tiedätkö varmasti, mihin olet ryhtymässä?

Do you know for sure what you are getting into?

Emphasis on certainty with 'varmasti'.

7

Hänen tietämättään asia oli jo ratkaistu.

Without him knowing, the matter had already been settled.

Abessive form of the third infinitive with a possessive suffix.

8

Tieto tietää tuskaa.

Knowledge brings (knows) pain.

A play on words/proverb using noun and verb forms.

1

Hän tiesi vaistomaisesti, että jokin oli vialla.

He knew instinctively that something was wrong.

Adverbial modification of the act of knowing.

2

Kaikkitietävä kertoja on yleinen kirjallisuudessa.

The omniscient (all-knowing) narrator is common in literature.

Compound adjective 'kaikkitietävä'.

3

Onko ihminen kykenevä tietämään perimmäisen totuuden?

Is man capable of knowing the ultimate truth?

Philosophical inquiry using the infinitive.

4

Tiedettyäni totuuden en voinut enää vaieta.

Having known the truth, I could no longer remain silent.

Temporal participial construction.

5

Hän ei tiennyt hävetä tekojaan.

He didn't know (have the sense) to be ashamed of his actions.

Idiomatic use meaning 'to have the sense to'.

6

Tämä löytö tietää vallankumousta tieteessä.

This discovery signifies a revolution in science.

Advanced metaphorical use.

7

Hän on tiettävästi alan paras asiantuntija.

He is reputedly the best expert in the field.

Nuance of reputation via 'tiettävästi'.

8

Tiedä häntä, vaikka sade alkaisi pian.

Who knows (know him/it), although the rain might start soon.

Fixed idiom 'Tiedä häntä' (Who knows / It's hard to say).

Colocaciones comunes

tietää totuus
tietää vastaus
tietää varmasti
tietää etukäteen
tietää paljon
tietää vähän
tietää tarkalleen
tietää kertoa
tietää syy
tietää nimi

Frases Comunes

En tiedä.

Tiedätkö mitä?

Mistä minä tiedän?

Kuten tiedät...

Sitä ei koskaan tiedä.

Tiedä häntä.

Hyvä tietää.

Tiedät kyllä.

Tiedän tunteen.

Tiedoksi.

Modismos y expresiones

"Tietää kuin omat taskunsa"

To know something like the back of one's hand (literally: like one's own pockets).

Tunnen tämän metsän kuin omat taskuni.

informal

"Ei tiedä itkeäkö vai nauraa"

To not know whether to cry or laugh (used for absurd situations).

Tämä tilanne on niin hullu, etten tiedä itkeäkö vai nauraa.

neutral

"Tiedä sitten"

Used to express doubt about a previous statement. 'Then again, who knows.'

Ehkä hän tulee, tiedä sitten.

informal

"Tietää paikkansa"

To know one's place (to behave appropriately for one's status).

Hän tietää paikkansa tässä yrityksessä.

neutral

"Tietää tasan tarkkaan"

To know exactly and precisely (emphatic).

Hän tietää tasan tarkkaan, mitä sanoi.

informal

"Saada tietää"

To find out or to be informed.

Sain tietää siitä vasta eilen.

neutral

"Tietää hyvää"

To bode well / to be a good sign.

Aurinkoinen aamu tietää hyvää päivää.

neutral

"Vain taivas tietää"

Only heaven knows (no one knows).

Vain taivas tietää, mitä tapahtui.

literary

"Tietää mitä tahtoo"

To know what one wants (to be determined).

Hän on nainen, joka tietää mitä tahtoo.

neutral

"Parempi tietää kuin luulla"

Better to know than to assume (Finnish proverb).

Tarkista fakta, sillä parempi tietää kuin luulla.

neutral

Familia de palabras

Sustantivos

Verbos

Adjetivos

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Memorízalo

Mnemotecnia

Think of the Finnish word for road, 'tie'. To 'tietää' is to know the 'tie' (the way). If you know the road, you have the knowledge.

Asociación visual

Imagine a person standing at a crossroads. One path is lit up with a sign that says 'FAKTA'. The person knows (tietää) exactly which path to take.

Origen de la palabra

The word 'tietää' has deep Proto-Finnic roots. It is derived from the noun 'tie' (road/path). In ancient times, 'knowing' was metaphorically linked to 'finding the way' or 'knowing the path.'

Significado original: To find a way, to track, or to follow a path.

Uralic, specifically Finnic.
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