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