| Til stede (Present) "ascertain" | I | ascertain | |
| Nuværende Kontinuerlig (Present Continuous) "ascertain" | I | am ascertaining | |
| Simpel fortid (Simple past) "ascertain" | I | ascertained | |
| Tidligere kontinuerlige (Past Continuous) "ascertain" | I | was ascertaining | |
| Nuværende perfekt (Present perfect) "ascertain" | I | have ascertained | |
| Nuværende perfekt kontinuerlig (Present perfect continuous) "ascertain" | I | have been ascertaining | |
| Mere end perfekt (Past perfect) "ascertain" | I | had ascertained | |
| Past perfekt kontinuerlig (Past perfect continuous) "ascertain" | I | had been ascertaining | |
| Fremtid (Future) "ascertain" | I | will ascertain | |
| Fremtidig kontinuerlig (Future continuous) "ascertain" | I | will be ascertaining | |
| Future perfekt (Future perfect) "ascertain" | I | will have ascertained | |
| Future perfekt kontinuerlig (Future perfect continuous) "ascertain" | I | will have been ascertaining |