| Sg | Pl | |
| 1st | ? (rule) | drekkum (rule) |
| 2nd | ?r (rule) | drekkið (rule) |
| 3rd | drekkr (rule) | drekka (rule) |
| Sg | Pl | |
| 1st | ?a (rule) | ?um (rule) |
| 2nd | ?ir (rule) | ?uð (rule) |
| 3rd | ?i (rule) | ?u (rule) |
| Sg | Pl | |
| 1st | drekkumk (rule) | drekkumk (rule) |
| 2nd | ?sk (rule) | drekkizk (rule) |
| 3rd | drekksk (rule) | drekkask (rule) |
| Sg | Pl | |
| 1st | ?umk (rule) | ?umsk (rule) |
| 2nd | ?isk (rule) | ?uzk (rule) |
| 3rd | ?isk (rule) | ?usk (rule) |
| Sg | Pl | |
| 1 | drekka (rule) | drekkim (rule) |
| 2 | drekkir (rule) | drekkið (rule) |
| 3 | drekki (rule) | drekki (rule) |
| Sg | Pl | |
| 1 | ?a (rule) | ?im (rule) |
| 2 | ?ir (rule) | ?ið (rule) |
| 3 | ?i (rule) | ?i (rule) |
| Form | |
| Participle | drekkandi (rule) |
| Past participle | ?r (rule) |
| Middle infinitive | drekkask (rule) |
| Sg | |
| 2nd | drekk (rule) |