1st and 3rd person; like imperative; expresses command or exhortation; negative ne
potential
expresses possibility; should, would, might; negative non
optative
expresses wishes; oh that, would that; negative ne
deliberative
used in direct questions; present uses present, past uses imperfect
subordinate clauses
cum clauses; conditions; indirect commands; result clauses; indirect questions; purpose clauses; proviso clauses; relative clauses of characteristic; fear clauses