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WHAT IS · WHAT WOULD BE REALITY · INDICATIVEIch habekeine Zeit.I have no time. IMAGINED · KONJUNKTIV IIWenn ich Zeit hätte,würde ich reisen.If I had time, I’d travel. The Konjunktiv II is the verb form for things that are not real: wishes, imagined situations and polite distance.
English marks this with “would” and a past form (“if I had”). German does the same, with its own forms.
German · Grammar · B2

Konjunktiv II: would, could, and if only

A mood is a set of verb forms that shows the speaker’s attitude. The Konjunktiv II (subjunctive II) is the German mood for the unreal: what would happen, what you wish, and how to ask politely. Most verbs simply use würde + infinitive. A dozen common verbs have their own short forms.

Most verbs
würde + infinitive: ich würde fahren
Own forms
hätte, wäre, könnte, müsste, dürfte, wüsste
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The forms: würde, and the verbs with their own

The special forms come from the simple past: take the past stem, add an umlaut where possible, and add -e. Hatte becomes hätte, war becomes wäre, konnte becomes könnte. For all other verbs, würde + infinitive is normal and correct.

SIMPLE PAST + UMLAUT + -E hatte↓hätteHET-uhhad → would havewar↓wäreVAIR-uhwas → would bekonnte↓könnteKÖN-tuhcould → could, mightwusste↓wüssteVÜS-tuhknew → would know
Only a dozen common verbs use their own form like this. For everything else, würde + infinitive is correct and natural.
würde · + infinitive The all-purpose form. Add any infinitive at the end of the sentence.

Politeness: the everyday use

The Konjunktiv II softens a request, just as English “could you” is softer than “can you”. In shops, offices and emails, this is the expected register.

Unreal if-sentences: now and in the past

Both halves of an unreal condition use the Konjunktiv II. For the past, use hätte or wäre + participle, exactly like the perfect tense with a Konjunktiv helper. Remember the verb-at-the-end rule after wenn.

Now: unreal presentSomething that is not true at the moment.
WennifichIreichrichwäre,werewürdewouldichIeinaHaushousekaufen.buy
“If I were rich, I’d buy a house.”ven ikh RYKH VAIR-uh, VÜR-duh ikh ine HOWS KOW-fun
WennifduyoumehrmoreZeittimehättest,hadkönntencouldwirwereisen.travel
“If you had more time, we could travel.”ven doo mair TSITE HET-ust, KÖN-tun veer RY-zun
Past: unreal pastSomething that did not happen.
WennifichIdasthatgewusstknownhätte,hadwärewould-beichIgekommen.come
“If I’d known that, I would have come.”ven ikh das guh-VOOST HET-uh, VAIR-uh ikh guh-KOM-un
Wirwehättenwould-havedentheZugtrainfastalmostverpasst.missed
“We almost missed the train.”veer HET-un dayn TSOOK FAST fair-PAST

Wishes, advice and als ob

Wishes Wenn … nur or doch, with the verb at the end: “if only”.
Advice An deiner Stelle würde ich …: “in your place I would …”.
Als ob As if: the verb goes to the end, in the Konjunktiv II.

What would you do with a year off?

Two colleagues imagine a sabbatical. Konjunktiv forms are in red. Every word has its English meaning underneath.

Jana
WaswhatwürdestwouldduyoumitwitheinemaJahryearfreifreemachen?do
vahs VÜR-dust doo mit INE-um YAHR FRY MAH-khun “What would you do with a year off?”
Why: Würde + infinitive for most verbs.
Tom
IchIwürdewouldSpanischSpanishlernenlearnundanddurchthroughSüdamerikaSouth-Americareisen.travel
ikh VÜR-duh SHPAH-nish LAIR-nun oont doorkh ZÜT-ah-may-ree-kah RYE-zun “I’d learn Spanish and travel around South America.”
Why: One würde can serve two infinitives.
Jana
Dasthatwärewould-beschön.lovelyIchIhättewould-haveaberbutAngst,fearmeinenmyJobjobzutoverlieren.lose
dahs VAIR-uh SHÖN. ikh HET-uh AH-ber AHNGST, MINE-un JOP tsoo fair-LEE-run “That would be lovely. But I’d be afraid of losing my job.”
Why: Wäre and hätte, never würde sein or würde haben.
Tom
WennifdietheFirmacompanyesiterlaubenallowwürde,wouldkönntestcouldduyoudanachafterwardszurückkommen.come-back
ven dee FEER-mah es air-LOW-bun VÜR-duh, KÖN-tust doo dah-NAHKH tsoo-RÜK-kom-un “If the company allowed it, you could come back afterwards.”
Why: Unreal condition: würde in the wenn-clause, könntest in the main clause.
Jana
WennifichInuronlymutigerbraverwäre!were
ven ikh noor MOO-ti-ger VAIR-uh “If only I were braver!”
Why: Wenn … nur + Konjunktiv II: a wish.

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