The passive conditional
1. Use
The passive conditional is the form of the verb which means that something
would be done. There is no specific subject - in other words, we don't know who is doing, but we know what is being done.
This tense has a second meaning, just like the present passive. The passive conditional gets also used when talking in the 1st person plural, e.g. "Lähdettäisiinkö elokuviin?" means "would we go to the movies?" and not "would one go to the movies?" like you would expect.
2. Formation
You get the passive conditional by adding -taisiin/-täisiin or -ttaisiin/-ttäisiin to the passive stem. Notice the -isi- like in the active conditional. The passive stem is the stem you get when putting the verb in the passive tense. Add the same number of t's as you would use in the passive imperfect
2.1. Verb types 1, 4, 5 and 6: add -ttaisiin/-ttäisiin
| Verb | Passive imperfect | Passive conditional | Meaning |
| sanoa | sanottiin | sanottaisiin | would be said |
| lukea | luettiin | luettaisiin | would be read |
| antaa | annettiin* | annettaisiin* | would be given |
| ymmärtää | ymmärrettiin* | ymmärrettäisiin* | would be understood |
| tavata | tavattiin | tavattaisiin | would be met |
| valita | valittiin | valittaisiin | would be chosen |
| vaaleta | vaalettiin | vaalettaisiin | would be whitened |
* When the infinitive of a verb ends in -aa, -a- changes to -e- when making the verb passive.
2.2. Verb types 2 and 3: add -taisiin/-täisiin
| Verb | Passive imperfect | Passive conditional | Meaning |
| tuoda | tuotiin | tuotaisiin | would be brought |
| tehdä | tehtiin | tehtäisiin | would be done |
| ajatella | ajateltiin | ajateltaisiin | would be thought |
| panna | pantiin | pantaisiin | would be put |
| surra | surtiin | surtaisiin | would be mourned |
3. Negative passive conditional
For the negative form, you take the positive form and remove its last two letters. Follow this rule for every verb type.
Since this is the negative passive conditional, you use the negative verb in the third person (the "ei" form) like you do in other passive tenses and moods as well.
| Passive conditional | Negative |
| kerrottaisiin | ei kerrottaisi |
| autettaisiin | ei autettaisi |
| annettaisiin | ei annettaisi |
| tuotaisiin | ei tuotaisi |
| Related grammar |
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The verb types :
Vowel harmony : Negation : The passive : The conditional : The perfect conditional : The passive imperfect |