□ present stem
■ perfect stem

indicative

active

□ present

sum
es
est
sumus
estis
sunt

□ imperfect

eram
eras
erat
eramus
eratis
erant

□ future

ero
eris
erit
erimus
eritis
erunt (not erint!)

■ perfect

fui
fuisti
fuit
fuimus
fuistis
fuerunt

■ pluperfect

fueram
fueras
fuerat
fueramus
fueratis
fuerant

■ future perfect

fuero
fueris
fuerit
fuerimus
fueritis
fuerint

  • these are almost the same as the subjunctive active perfect. except the subjunctive active perfect 1st person singular ends -erim.
  • almost the same as fu + indicative future active, except 3ps PL is -erint instead of -erunt.

passive

no passive forms

subjunctive

active

□ present

sim
sis
sit
simus
sitis
sint

□ imperfect

essem
esses
esset
essemus
essetis
essent

  • follows normal subjunctive active imperfect inflection rules (second principle part + [-m -s -t -mus -tis -nt])

■ perfect

fuerim
fueris
fuerit
fuerimus
fueritis
fuerint

  • follows normal subjunctive active perfect inflection rules (perfect stem + eri + [-m -s -t -mus -tis -nt])
  • these are almost the same as the indicative active future perfect. except the indicative active future perfect 1st person singular ends -ero.

■ pluperfect

fuissem
fuisses
fuisset
fuissemus
fuissetis
fuissent

  • follows normal subjunctive active pluperfect inflection rules (perfect stem + isse + [-m -s -t -mus -tis -nt])

passive

no passive forms

infinitive

active

present

esse

perfect

fuisse

future

fore

passive

no passive forms

imperative

singular - es
plural - este