| Sg | Pl | |
| 1st | heyg (rule) | heygjum (rule) |
| 2nd | heygr (rule) | heygið (rule) |
| 3rd | heygr (rule) | heygja (rule) |
| Sg | Pl | |
| 1st | heygða (rule) | heygðum (rule) |
| 2nd | heygðir (rule) | heygðuð (rule) |
| 3rd | heygði (rule) | heygðu (rule) |
| Sg | Pl | |
| 1st | heygjumk (rule) | heygjumk (rule) |
| 2nd | heygsk (rule) | heygizk (rule) |
| 3rd | heygsk (rule) | heygjask (rule) |
| Sg | Pl | |
| 1st | heygðumk (rule) | heygðumsk (rule) |
| 2nd | heygðisk (rule) | heygðuzk (rule) |
| 3rd | heygðisk (rule) | heygðusk (rule) |
| Sg | Pl | |
| 1 | heygja (rule) | heygim (rule) |
| 2 | heygir (rule) | heygið (rule) |
| 3 | heygi (rule) | heygi (rule) |
| Sg | Pl | |
| 1 | heygða (rule) | heygðim (rule) |
| 2 | heygðir (rule) | heygðið (rule) |
| 3 | heygði (rule) | heygði (rule) |
| Form | |
| Participle | heygjandi (rule) |
| Past participle | heygðr (rule) |
| Middle infinitive | heygjask (rule) |
| Sg | |
| 2nd | heygj (rule) |