Weak Verbs
150. There are three conjugations of weak verbs. All those of the first conjugation have mutated vowels in the pres., and form their pret. with ð (d, t): heyra (hear), heyrða. Those of the second form their pret. in the same way, but have unmutated vowels in the pres.: hafa (have) hafða. Those of the third form their pret. in -aða: kalla (call), kallaða.
I. 'Hear'-conjugation
Active
| Indicative | Subjunctive | ||
| Present sg. 1. | heyr-i | heyr-a | |
| 2. | heyr-ir | heyr-ir | |
| 3. | heyr-ir | heyr-i | |
| pl. 1. | heyr-um | heyr-im | |
| 2. | heyr-ið | heyr-ið | |
| 3. | heyr-a | heyr-i | |
| Preterite sg. 1. | heyr-ða | heyr-ða | |
| 2. | heyr-ðir | heyr-ðir | |
| 3. | heyr-ði | heyr-ði | |
| pl. 1. | heyr-ðum | heyr-ðim | |
| 2. | heyr-ðuð | heyr-ðið | |
| 3. | heyr-ðu | heyr-ði | |
Imper. sg. 1. heyr; pl. 1. heyr-um, 2. heyr-ið.
Partic. pres. heyr-andi; pret. heyr-ðr.
Infin. heyr-a.
Middle
| Indicative | Subjunctive | ||
| Present sg. 1. | heyr-umk | heyr-umk | |
| 2. | heyr-isk | heyr-isk | |
| 3. | heyr-isk | heyr-isk | |
| pl. 1. | heyr-umk | heyr-imk | |
| 2. | heyr-izk | heyr-izk | |
| 3. | heyr-ask | heyr-isk | |
| Preterite sg. 1. | heyr-ðumk | heyr-ðumk | |
| 2. | heyr-ðisk | heyr-ðisk | |
| 3. | heyr-ðisk | heyr-ðisk | |
| pl. 1. | heyr-ðumk | heyr-ðimk | |
| 2. | heyr-ðuzk | heyr-ðizk | |
| 3. | heyr-ðusk | heyr-ðisk | |
Imper. sg. 2. heyr-sk; pl. 1. heyr-umk, 2. heyr-izk.
Partic. pres. heyr-andisk; pret. heyr-zk neut.
Infin. heyr-ask.