B1 Conditionals 1 min read Mittel

Forming the Conditional with -isi-

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Grammar Rule in 30 Seconds

The conditional mood uses the marker '-isi-' to express actions that would happen or are desired.

  • Add '-isi-' to the stem: 'puhua' -> 'puhuisin' (I would speak).
  • Drop the final vowel of the stem if it's 'a' or 'ä' before adding '-isi-'.
  • Use the conditional for polite requests: 'Haluaisin kahvia' (I would like coffee).
Verb Stem + isi + Personal Ending

Conditional Conjugation of 'puhua' (to speak)

Person Affirmative Negative
Minä
puhuisin
en puhuisi
Sinä
puhuisit
et puhuisi
Hän
puhuisi
ei puhuisi
Me
puhuisimme
emme puhuisi
Te
puhuisitte
ette puhuisi
He
puhuisivat
eivät puhuisi

Meanings

The conditional mood is used to express hypothetical situations, polite requests, or desires.

1

Hypothetical

Actions that depend on a condition.

“Jos olisin rikas, matkustaisin.”

“Ostaisin auton, jos voisin.”

2

Politeness

Softening a request or statement.

“Haluaisin tilata ruokaa.”

“Voisitko auttaa minua?”

3

Desire

Expressing what one wants to do.

“Nukkuisin mieluummin.”

“Opiskelisin suomea enemmän.”

Reference Table

Reference table for Forming the Conditional with -isi-
Form Structure Example
Affirmative
Stem + isi + ending
Söisin
Negative
Neg verb + stem + isi
En söisi
Question
Verb + isi + ko/kö
Söisitkö?
Polite Request
Voisitko + infinitive
Voisitko tulla?
Past Conditional
Olisi + past participle
Olisi syönyt
Negative Past
Ei olisi + past participle
Ei olisi syönyt

Formalitätsspektrum

Formell
Haluaisin tilata kahvin.

Haluaisin tilata kahvin. (Ordering in a cafe)

Neutral
Haluaisin kahvin.

Haluaisin kahvin. (Ordering in a cafe)

Informell
Otan kahvin.

Otan kahvin. (Ordering in a cafe)

Umgangssprache
Kahvi, kiitti.

Kahvi, kiitti. (Ordering in a cafe)

Conditional Usage Map

Konditionaali

Politeness

  • Saisinko Could I get

Hypothetical

  • Jos olisin If I were

Desire

  • Haluaisin I would like

Beispiele nach Niveau

1

Haluaisin kahvin.

I would like a coffee.

2

Saisinko laskun?

Could I get the bill?

3

Voisitko auttaa?

Could you help?

4

Haluaisin vettä.

I would like water.

1

En menisi sinne.

I would not go there.

2

Ostaisin uuden auton.

I would buy a new car.

3

Söisitkö pizzaa?

Would you eat pizza?

4

Hän ei tulisi mukaan.

He would not come along.

1

Jos olisin rikas, matkustaisin.

If I were rich, I would travel.

2

Voisitteko lähettää tiedot?

Could you send the info?

3

Haluaisin, että tulisit.

I would like you to come.

4

Mitä tekisit, jos voisit?

What would you do if you could?

1

Olisi pitänyt kertoa aiemmin.

I should have told earlier.

2

Voisimme harkita ehdotustanne.

We could consider your proposal.

3

Hän olisi voinut soittaa.

He could have called.

4

Emmekö voisi sopia tästä?

Couldn't we agree on this?

1

Olisi suotavaa, että toimisimme heti.

It would be desirable that we act immediately.

2

En olisi uskonut, että se onnistuisi.

I wouldn't have believed it would succeed.

3

Voisiko olla, että olemme väärässä?

Could it be that we are wrong?

4

Hän olisi varmasti tullut, jos olisi voinut.

He would surely have come if he could have.

1

Kaikesta huolimatta, olisi ehkä parempi odottaa.

Despite everything, it might be better to wait.

2

Mikäli tilanne muuttuisi, reagoisimme välittömästi.

Should the situation change, we would react immediately.

3

Olisi ollut kohteliasta ilmoittaa.

It would have been polite to notify.

4

En voisi kuvitellakaan muuta ratkaisua.

I couldn't even imagine another solution.

Leicht verwechselbar

Forming the Conditional with -isi- vs. Potential Mood (-ne-)

Both are modal moods, but conditional is for 'would' and potential is for 'probably'.

Forming the Conditional with -isi- vs. Imperative

Imperative is for commands, conditional is for requests.

Forming the Conditional with -isi- vs. Indicative

Indicative is for facts, conditional is for non-facts.

Häufige Fehler

✗

Minä haluan kahvia.

✓

Haluaisin kahvia.

Using present instead of conditional for polite requests.
✗

Saisin laskun?

✓

Saisinko laskun?

Missing the question marker -ko.
✗

Voi auttaa?

✓

Voisitko auttaa?

Using the wrong verb form.
✗

Minä menisi.

✓

Menisin.

Redundant pronoun usage.
✗

Jos minä olen rikas, matkustan.

✓

Jos olisin rikas, matkustaisin.

Conditional requires conditional in both clauses.
✗

En menisi.

✓

En menisi.

Correct, but sometimes learners use 'ei menisi' for 'I'.
✗

Hän tulisi.

✓

Hän tulisi.

Correct, but learners often forget the stem change.
✗

Olisi mennyt.

✓

Olisi mennyt.

Wait, this is correct, but learners often use 'olisi menisi'.
✗

Voisitko auttaa minua?

✓

Voisitko auttaa minua?

Correct, but learners often use the wrong case for the object.
✗

Haluaisin että sinä tulet.

✓

Haluaisin että sinä tulisit.

Conditional is needed in the subordinate clause.
✗

Olisi suotava, että toimimme.

✓

Olisi suotavaa, että toimisimme.

Subjunctive-like usage of conditional.
✗

En voisi kuvitella.

✓

En voisi kuvitellakaan.

Missing the emphatic particle.
✗

Mikäli tilanne muuttuu.

✓

Mikäli tilanne muuttuisi.

Conditional required for hypothetical 'mikäli'.

Satzmuster

Haluaisin ___.

Voisitko ___?

Jos olisin ___, tekisin ___.

Saisinko ___?

Real World Usage

Cafe very common

Haluaisin kahvin.

Texting common

Tulisitko?

Job Interview common

Voisitteko kertoa lisää?

Travel common

Saisinko kartan?

Food App common

Haluaisin tilata pizzan.

Email common

Voisitteko lähettää tiedot?

💡

Use it for politeness

Always use the conditional when asking for things. It is the polite way to speak.
⚠️

Don't forget the stem

Make sure you identify the correct stem before adding -isi-.
🎯

Combine with 'jos'

The conditional is best friends with 'jos' (if).
💬

Be indirect

Finns prefer indirect requests. The conditional is your best tool for this.

Smart Tips

Always use 'Saisinko' or 'Haluaisin'.

Anna minulle kahvi. → Saisinko kahvin?

Use 'Voisimme' to suggest an idea.

Me menemme elokuviin. → Voisimme mennä elokuviin.

Use 'Voisitteko' for requests.

Lähetä minulle tiedot. → Voisitteko lähettää minulle tiedot?

Use 'Jos... olisin/tekisin'.

Minä olen rikas, minä ostan talon. → Jos olisin rikas, ostaisin talon.

Aussprache

PU-hui-sin

Stress

The stress is always on the first syllable, even with the conditional marker.

Question

Puhuisitko? ↗

Rising intonation at the end for yes/no questions.

Einprägen

Eselsbrücke

Think of 'isi' as 'I-see' a dream. If I see a dream, I use the conditional.

Visuelle Assoziation

Imagine a person wearing a 'Conditional Cape' that makes them sound super polite and dreamy. Every time they talk, they add a little 'isi' sparkle to their words.

Rhyme

When you want to be polite or dream of a tree, just add the magic letters isi.

Story

Matti wants a coffee. He doesn't say 'Give me coffee'. He says 'Haluaisin kahvia'. The barista smiles. Matti is happy because he used the conditional.

Word Web

HaluaisinVoisitkoSaisinkoMenisinOlisinTekisin

Herausforderung

Write 3 things you would do if you won a million euros using the conditional.

Kulturelle Hinweise

Finns value modesty and indirectness. Using the conditional is a key way to avoid sounding rude.

The conditional marker '-isi-' is a Uralic feature, common in many Finno-Ugric languages.

Gesprächseinstiege

“

Mitä tekisit, jos voittaisit lotossa?

“

Saisinko kysyä jotain?

“

Haluaisitko lähteä elokuviin?

“

Voisitko kertoa minulle suomalaisesta ruoasta?

Tagebuch-Impulse

Kirjoita unelmistasi käyttäen konditionaalia.
Mitä tekisit, jos olisit Suomen presidentti?
Kuvaile täydellistä päivääsi.
Mitä muuttaisit elämässäsi?

Häufige Fehler

Incorrect

Richtig

Incorrect

Richtig

Incorrect

Richtig

Incorrect

Richtig

Test Yourself

Conjugate the verb 'syödä' (to eat) for 'minä'.

Minä ___ pizzaa.

✓ Correct! ✗ Not quite. Correct answer: söisin
The stem of 'syödä' is 'syö-'.
Which is the correct polite request? Multiple Choice

___ kahvia.

✓ Correct! ✗ Not quite. Correct answer: Haluaisin
Haluaisin is the polite conditional form.
Find the error. Error Correction

Find and fix the mistake:

Jos minä olen rikas, matkustan.

✓ Correct! ✗ Not quite. Correct answer: olen
Should be 'olisin'.
Change to conditional. Sentence Transformation

Minä menen kauppaan.

✓ Correct! ✗ Not quite. Correct answer: Menisin kauppaan
Conditional for 'minä' is 'menisin'.
Complete the dialogue. Dialogue Completion

A: Voisitko auttaa? B: ___.

✓ Correct! ✗ Not quite. Correct answer: Kyllä, auttaisin.
Matching the conditional in the response.
Match the form. Match Pairs

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: I would like
Haluaisin is conditional.
Conjugate 'tulla' (to come) for 'he'.

He ___ mukaan.

✓ Correct! ✗ Not quite. Correct answer: tulisivat
Conditional for 'he' is 'tulisivat'.
Which is the correct negative? Multiple Choice

Minä ___ menisi.

✓ Correct! ✗ Not quite. Correct answer: en
Negative verb for 'minä' is 'en'.

Score: /8

Ubungsaufgaben

8 exercises
Conjugate the verb 'syödä' (to eat) for 'minä'.

Minä ___ pizzaa.

✓ Correct! ✗ Not quite. Correct answer: söisin
The stem of 'syödä' is 'syö-'.
Which is the correct polite request? Multiple Choice

___ kahvia.

✓ Correct! ✗ Not quite. Correct answer: Haluaisin
Haluaisin is the polite conditional form.
Find the error. Error Correction

Find and fix the mistake:

Jos minä olen rikas, matkustan.

✓ Correct! ✗ Not quite. Correct answer: olen
Should be 'olisin'.
Change to conditional. Sentence Transformation

Minä menen kauppaan.

✓ Correct! ✗ Not quite. Correct answer: Menisin kauppaan
Conditional for 'minä' is 'menisin'.
Complete the dialogue. Dialogue Completion

A: Voisitko auttaa? B: ___.

✓ Correct! ✗ Not quite. Correct answer: Kyllä, auttaisin.
Matching the conditional in the response.
Match the form. Match Pairs

Match 'Haluaisin' with its meaning.

✓ Correct! ✗ Not quite. Correct answer: I would like
Haluaisin is conditional.
Conjugate 'tulla' (to come) for 'he'.

He ___ mukaan.

✓ Correct! ✗ Not quite. Correct answer: tulisivat
Conditional for 'he' is 'tulisivat'.
Which is the correct negative? Multiple Choice

Minä ___ menisi.

✓ Correct! ✗ Not quite. Correct answer: en
Negative verb for 'minä' is 'en'.

Score: /8

FAQ (8)

No, it is also used for polite requests and expressing desires.

If the verb stem ends in a single vowel, you often drop it before adding '-isi-'.

Yes, it is highly recommended for making requests.

Conditional is for 'would', potential is for 'probably'.

It can sound blunt or demanding.

Use the negative verb (en, et, ei...) + the conditional stem.

Yes, use 'olisi' + past participle.

Most verbs follow the pattern, but stem changes apply.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

Spanish high

Condicional

Spanish conjugates for person differently.

French high

Conditionnel

French is a Romance language with different stem rules.

German moderate

Konjunktiv II

German is analytic (two words), Finnish is synthetic (one word).

Japanese low

Conditional 'tara' or 'ba'

Japanese is agglutinative but uses different structures.

Arabic low

Law

Arabic uses a particle, Finnish uses a verb suffix.

Chinese low

Would (会)

Chinese has no verb conjugation.

Learning Path

Prerequisites

Connected Grammar

Verb Types

Prerequisite

You need to know verb types to conjugate correctly.

Potential Mood

Contrast

Often confused with conditional.

Past Conditional

Builds On

Advanced use of the same marker.

Imperative

Contrast

Conditional is the polite alternative to imperative.

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