The perfect, pluperfect, and first future tenses of the subjunctive mood, are conjugated in a manner similar to the correspondent tenses of the indicative. The second future is conjugated thus:
| Pres. Tense | Sing. | I may, can, or must be, thou mayst, canst, or must be, he may, can, or must be. |
| Plur. | We may, can, or must be, ye or you may, can, or must be, they may, can, or must be. |
| Imperf. Tense. | Sing. | I might, could, would, or should be, thou mightest, &c. |
| Plur. | We might, could, would, or should be, you might, &c. |
| Perf. Tense | Sing. | I may, can, or must have been, thou mayst, canst, &c. |
| Plur. | We may, can, or must have been, you may, can, or must be, &c. |
| Pluper. Tense. | Sing. | I might, could, would, or should have been, thou, &c. |
| Plur. | We might, could, would, or should have been, you, &c. |