fo·ácaib (conjunct ·facaib, verbal noun fácbáil)
| 1st sg. | 2nd sg. | 3rd sg. | 1st pl. | 2nd pl. | 3rd pl. | Passive sg. | Passive pl. | ||
|---|---|---|---|---|---|---|---|---|---|
| Present indicative | Deut. | fo·fácaib (with spurious f- in root) | fo·ácbat, fu·ácbat | ||||||
| Prot. | ·facaib | ·facabar | |||||||
| Imperfect indicative | Deut. | ||||||||
| Prot. | ·facabtais | ||||||||
| Preterite | Deut. | ||||||||
| Prot. | ·fáccab | ||||||||
| Perfect | Deut. | fo·rácbus | fo·ragabsat | ||||||
| Prot. | |||||||||
| Future | Deut. | ||||||||
| Prot. | ·fáiceb, ·fuicéb | ·faicebat, ·foigebat | ·faicebthair | ·faicebtair | |||||
| Conditional | Deut. | ||||||||
| Prot. | |||||||||
| Present subjunctive | Deut. | ||||||||
| Prot. | ·farcab (ro-form) | ·fácba | ·fargbaid (ro-form) | ||||||
| Past subjunctive | Deut. | ||||||||
| Prot. | ·farcabtis | ||||||||
| Imperative | |||||||||
| Verbal noun | fácbáil | ||||||||
| Past participle | |||||||||
| Verbal of necessity | |||||||||