[800.] Some verbs waver between active and passive person endings: as, adsentiō, agree, adsentīre, and adsentior, adsentīrī; populō, ravage, populāre, and populor, populārī: see [1481].
[801.] A few verbs are deponent in the present system only: as, dēvortor, turn in, perfect dēvortī; revortor, turn back, perfect revortī, but with active perfect participle revorsus. Four are deponent in the perfect system only: fīdō, trust, fīdere, fīsus, and the compounds, cōnfīdō, diffīdō; and audeō, dare, audēre, ausus, gaudeō, feel glad, gaudēre, gāvīsus, and soleō, am used, solēre, solitus. Most impersonals in -ēre have both an active and a deponent form in the perfect system: see [815], [816].
[PERIPHRASTIC FORMS.]
[802.] (1.) The future active participle with a form of sum is used to denote an intended or future action: as,
rēctūrus sum, I am going to rule, intend to rule.
| INDICATIVE MOOD. | ||
|---|---|---|
| Singular. | Plural. | |
| Pres. | rēctūrus sum, es, est | rēctūrī sumus, estis, sunt |
| Imp. | rēctūrus eram, erās, erat | rēctūrī erāmus, erātis, erant |
| Fut. | rēctūrus erō, eris, erit | rēctūrī erimus, eritis, erunt |
| Perf. | rēctūrus fuī, fuistī, fuit | rēctūrī fuimus, fuistis, fuērunt |
| Plup. | rēctūrus fueram, fuerās, fuerat | rēctūrī fuerāmus, fuerātis, fuerant |
| SUBJUNCTIVE MOOD. | ||
| Pres. | rēctūrus sim, sīs, sit | rēctūrī sīmus, sītis, sint |
| Imp. | rēctūrus essem, essēs, esset | rēctūrī essēmus, essētis, essent |
| Perf. | rēctūrus fuerim, fuerīs, fuerit | rēctūrī fuerīmus, fuerītis, fuerint |
| Plup. | rēctūrus fuissem, fuissēs, fuisset | rēctūrī fuissēmus, fuissētis,fuissent |
| INFINITIVE. | ||
| Pres. | rēctūrus esse | |
| Perf. | rēctūrus fuisse | |
[803.] A future perfect is hardly ever used: as, fuerit victūrus (Sen.). In the imperfect subjunctive, forem, forēs, foret, and forent are sometimes used (Nep., Sall., Liv., Vell.).
[804.] (2.) The gerundive with a form of sum is used to denote action which requires to be done: as,
regendus sum, I am to be ruled, must be ruled.
| INDICATIVE MOOD. | ||
|---|---|---|
| Singular. | Plural. | |
| Pres. | regendus sum, es, est | regendī sumus, estis, sunt |
| Imp. | regendus eram, erās, erat | regendī erāmus, erātis, erant |
| Fut. | regendus erō, eris, erit | regendī erimus, eritis, erunt |
| Perf. | regendus fuī, fuistī, fuit | regendī fuimus, fuistis, fuērunt |
| Plup. | regendus fueram, fuerās, fuerat | regendī fuerāmus, fuerātis, fuerant |
| SUBJUNCTIVE MOOD. | ||
| Pres. | regendus sim, sīs, sit | regendī sīmus, sītis, sint |
| Imp. | regendus essem, essēs, esset | regendī essēmus, essētis, essent |
| Perf. | regendus fuerim, fuerīs, fuerit | regendī fuerīmus, fuerītis, fuerint |
| Plup. | regendus fuissem, fuissēs, fuisset | regendī fuissēmus, fuissētis,fuissent |
| INFINITIVE. | ||
| Pres. | regendus esse | |
| Perf. | regendus fuisse | |