forstå (to understand) | Norwegian Grammar

forstå ("to understand") is a verb you will need from your very first conversation, and it hides a useful structural gift: it is a compound of stå ("to stand") with the inseparable prefix for-, so it conjugates exactly like stå. If you already know stå / står / sto / stått, you get forstå / forstår / forsto / forstått for free. This page lays out the paradigm, covers the å-spelling throughout, and contrasts forstå with its everyday synonym skjønne.

Conjugation

Class: strong, conjugates like stå. Inseparable prefix for-. Auxiliary: ha.

Tense / mood	Norwegian	English
Infinitiv	å forstå	to understand
Presens	forstår	understand(s)
Preteritum	forsto / forstod	understood
Perfektum	har forstått	have/has understood
Pluskvamperfektum	hadde forstått	had understood
Futurum	skal/vil forstå	will understand
Imperativ	forstå!	understand!
Presens partisipp	forstående	understanding (adjective)

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Every form keeps the å of stå: forstå, forstår, forstått. The preterite has two accepted Bokmål spellings — forsto (no d) and forstod (with a silent d) — exactly mirroring sto / stod. Modern style guides prefer the d-less forsto; the older forstod is still common in print. The supine is always forstått, with å and double t — never forstaatt, never forstodd.

Built on stå — let the base verb predict the forms

The single most helpful insight here is that for- + stå = forstå, and the prefix is inseparable — it never detaches and rides through every form. So the irregular bits are not new irregularities to memorise; they are stå's, copied wholesale:

	stå	forstå
Presens	står	forstår
Preteritum	sto / stod	forsto / forstod
Perfektum	har stått	har forstått

This is a general strategy for Norwegian: when a verb opens with a recognisable inseparable prefix (be-, for-, an-, unn-), strip the prefix, conjugate the base, and re-attach. It works for forstå (from stå), and you'll see the same logic elsewhere. See word-formation/prefixed-verbs for the broader pattern.

Beklager, jeg forstår ikke helt hva du mener.

Sorry, I don't quite understand what you mean.

Hun forsto problemet med en gang.

She understood the problem right away.

Har du forstått oppgaven, eller skal jeg forklare igjen?

Have you understood the task, or shall I explain again?

Forstår du norsk, eller skal vi snakke engelsk?

Do you understand Norwegian, or shall we speak English?

forstå seg på — to know about, be knowledgeable in

A common idiom adds a reflexive and a preposition: forstå seg på (noe) = "to have a good understanding of, to know one's way around (a subject)." The seg matches the subject; the på governs the field of expertise.

Han forstår seg på vin, så la ham velge flaska.

He knows his wines, so let him pick the bottle.

Jeg forstår meg ikke på moderne kunst, dessverre.

I'm afraid I just don't get modern art.

Note the difference from plain forstå: jeg forstår kunsten = "I understand (this particular) art"; jeg forstår meg på kunst = "I am knowledgeable about art (in general)." The reflexive version is about expertise, the plain version about comprehension of something specific.

gi å forstå — to give to understand, to imply

A more formal, literary idiom is gi (noen) å forstå (at …) = "to give someone to understand / to imply." It carries a slightly elevated, sometimes diplomatic tone.

Sjefen ga oss å forstå at oppsigelser kunne komme.

The boss gave us to understand that layoffs might be coming.

You will meet this mostly in writing and careful speech; in casual conversation people simply say antyde ("hint") or si indirekte.

forstå vs skjønne — the everyday synonym

Norwegian has two common verbs for "understand," and learners need both. skjønne (weak: skjønne / skjønner / skjønte / har skjønt) is the more colloquial, frequent-in-speech word; forstå is a touch more neutral-to-formal but perfectly usable everywhere. They overlap almost completely.

Jeg skjønner hva du mener, men jeg er ikke enig.

I get what you mean, but I don't agree.

Nå forstår jeg endelig hvordan det henger sammen.

Now I finally understand how it all fits together.

In practice: in casual chat, skjønner du? ("get it?") is everywhere; in writing or measured speech, forstår du? feels slightly more composed. Both are correct; choosing forstå never sounds wrong, while skjønne is the warmer, more conversational default among friends. One fixed phrase to know: skjønner! on its own = "got it! / I see!"

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Use either, but match the register: skjønne leans casual and spoken, forstå is the safe all-rounder. Two collocations differ, though — for "be knowledgeable about" you generally say forstå seg på, and the literary "imply" idiom is gi å forstå; skjønne doesn't slot into those.

Common Mistakes

❌ Jeg forstådde ikke spørsmålet.

Incorrect — forstå is strong (like stå); the preterite is forsto/forstod, not forstådde

✅ Jeg forsto ikke spørsmålet.

I didn't understand the question.

❌ Har du forsto beskjeden?

Incorrect — after har use the supine forstått, not the preterite forsto

✅ Har du forstått beskjeden?

Have you understood the message?

❌ Hun forstoede teksten godt.

Incorrect — there is no regular -ede form; the strong preterite is forsto (or forstod)

✅ Hun forsto teksten godt.

She understood the text well.

❌ Jeg forstår meg ikke moderne kunst.

Incorrect — the 'be knowledgeable about' idiom needs på: forstår meg ikke på

✅ Jeg forstår meg ikke på moderne kunst.

I just don't get modern art.

Key Takeaways

forstå / forstår / forsto (forstod) / har forstått / forstå! — strong, conjugates like stå; å in every form.
The prefix for- is inseparable: strip it, conjugate stå, re-attach — the forms come for free.
Preterite spelled forsto (preferred) or forstod (older); supine always forstått (double t).
forstå seg på (noe) = "be knowledgeable about"; gi å forstå (formal/literary) = "to imply."
skjønne is the everyday spoken synonym; forstå is the neutral all-rounder.

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