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