Bøying av det engelske verbet to retroact i alle sine former.
| Verbtid | Verbbøying (Uregelrett) |
|---|---|
| Infinitive: | to retroact |
| 3rd person singular: | retroacts |
| Past simple: | retroacted |
| Past participle: | retroacted |
| Present participle: | retroacting |
| Imperative: | retroact! |