General and Logical Conditions
| Present Tense | Si audimus, discimus | If we listen, we learn. |
|---|---|---|
| Past Tense | Si Romae erat, illum vidit. | If he was at Rome, he saw that man. |
Contrafactual Conditions
| Present Contrary to Fact | Imperfect Subjunctive | Si hic esset, laeti essemus. | If he were (now) here, we would (now) be happy. |
|---|---|---|---|
| Past Contrary to Fact | Pluperfect Subjunctive | Si hic fuisset, laeti fuissemus. | If he had been here, we would have been happy. |
Future Conditions
| Future Less Vivid | Present Subjunctive | Si dominus sit, servi simus. | If he should be master, we would be slaves. |
|---|---|---|---|
| Future More Vivid | Future Indicative | Si victor fuerimus, servi erimus. | If he will become victor, we will be slaves. |