| A | B |
|---|
| Pres. Act. Subj. | present stem + e,ea,a,ia,ia + personal endings |
| Pres. Pass. Subj. | present stem + e,ea,a,ia,ia + PASSIVE endings |
| Imperfect Active Subj. | 2PP (pres. act. infinitive) + pers. endings |
| Imperfect Pass. Subj. | 2PP (pres. act. infinitive) + PASSIVE endings |
| Perfect Active Subj. | perfect stem + "eri" + personal endings |
| Perfect Passive Subj. | 4PP (PPP) + present subj. of sum, esse (u=>i) |
| PluPerfect Act. Subj. | perfect stem + "isse" + personal endings |
| PluPerfect Pass. Subj. | 4PP (PPP) + Imperfect subj. of sum, esse |
| Pres. Act. Subj. of sum, esse | sim, sis, sit, simus, sitis, sint |
| Imperfect Act. Subj. of sum, esse | essem, esses, esset, essemus, essetis, essent |
| Pres. Act. Subj. of possum, posse | possim, possis, possit, possimus, possitis, possint |
| Imperfect Act. Subj. of possum, posse | possem, posses, posset, possemus, possetis, possent |
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