| Tilstede (Present) "prolong" | I | prolong | |
| Present Continuous (Present Continuous) "prolong" | I | am prolonging | |
| Enkelt fortid (Simple past) "prolong" | I | prolonged | |
| Past Kontinuerlig (Past Continuous) "prolong" | I | was prolonging | |
| Presens perfektum (Present perfect) "prolong" | I | have prolonged | |
| Present perfekt kontinuerlig (Present perfect continuous) "prolong" | I | have been prolonging | |
| Past perfect (Past perfect) "prolong" | I | had prolonged | |
| Past perfect kontinuerlig (Past perfect continuous) "prolong" | I | had been prolonging | |
| Framtid (Future) "prolong" | I | will prolong | |
| Future kontinuerlig (Future continuous) "prolong" | I | will be prolonging | |
| Future perfect (Future perfect) "prolong" | I | will have prolonged | |
| Future perfekt kontinuerlig (Future perfect continuous) "prolong" | I | will have been prolonging |