| Närvarande (Present) "ascertain" | I | ascertain | |
| Present Kontinuerlig (Present Continuous) "ascertain" | I | am ascertaining | |
| Enkel förflutna (Simple past) "ascertain" | I | ascertained | |
| Förbi kontinuerlig (Past Continuous) "ascertain" | I | was ascertaining | |
| Perfekt (Present perfect) "ascertain" | I | have ascertained | |
| Perfekt kontinuerlig (Present perfect continuous) "ascertain" | I | have been ascertaining | |
| Pluskvamperfekt (Past perfect) "ascertain" | I | had ascertained | |
| Pluskvamperfekt kontinuerlig (Past perfect continuous) "ascertain" | I | had been ascertaining | |
| Framtida (Future) "ascertain" | I | will ascertain | |
| Framtida kontinuerlig (Future continuous) "ascertain" | I | will be ascertaining | |
| Future Perfect (Future perfect) "ascertain" | I | will have ascertained | |
| Future Perfect kontinuerliga (Future perfect continuous) "ascertain" | I | will have been ascertaining |