IRREGULAR VERB 
Latin : -sum, esse, fu-i, futurus
English : be
 | 
ACTIVE | 
 | 
 | 
INDICATIVE | 
SUBJUNCTIVE | 
 | 
PRESENT | 
 | 
1.sg | 
sum | 
sim | 
| 2.sg | 
es | 
sis | 
| 3.sg | 
est | 
sit | 
| 1.pl | 
sumus | 
simus | 
| 2.pl | 
estis | 
sitis | 
| 3.pl | 
sunt | 
sint | 
 | 
IMPERFECT | 
 | 
| 1.sg | 
eram | 
essem  | 
| 2.sg | 
eras | 
esses  | 
| 3.sg | 
erat | 
esset  | 
| 1.pl | 
erámus | 
essémus | 
| 2.pl | 
erátis | 
essétis  | 
| 3.pl | 
erant | 
essent  | 
 | 
FUTURE | 
 | 
| 1.sg | 
ero | 
 | 
| 2.sg | 
eris | 
 | 
| 3.sg | 
erit | 
 | 
| 1.pl | 
erimus | 
 | 
| 2.pl | 
eritis | 
 | 
| 3.pl | 
erunt | 
 | 
 | 
PERFECT | 
 | 
1.sg | 
fui | 
fuerim | 
| 2.sg | 
fuísti | 
fueris | 
| 3.sg | 
fuit | 
fuerit | 
| 1.pl | 
fuimus | 
fuerímus | 
| 2.pl | 
fuístis | 
fuerítis | 
| 3.pl | 
fuérunt | 
fuerint | 
 | 
PLUPERFECT | 
 | 
| 1.sg | 
fueram | 
fuíssem | 
| 2.sg | 
fueras | 
fuísses | 
| 3.sg | 
fuerat | 
fuísset | 
| 1.pl | 
fuerámus | 
fuissémus | 
| 2.pl | 
fuerátis | 
fuissétis | 
| 3.pl | 
fuerant | 
fuíssent | 
 | 
FUTURE PERFECT | 
 | 
| 1.sg | 
fuero | 
 | 
| 2.sg | 
fueris | 
 | 
| 3.sg | 
fuerit | 
 | 
| 1.pl | 
fuérimus | 
 | 
| 2.pl | 
fuéritis | 
 | 
| 3.pl | 
fuerint | 
 | 
 | 
ACTIVE | 
ACTIVE | 
 | 
IMPERATIVE | 
INFINITIVE | 
| present | 
es,  este | 
esse | 
| perfect | 
 | 
fuísse | 
| future | 
 | 
futurus -a -um esse  | 
 | 
PARTICIPLE | 
 | 
ACTIVE | 
| present | 
ens, (-tis) | 
| perfect | 
 | 
| future | 
futurus -a -um | 
Return to Main page
The present website is compiled for an introductory Latin course at the Chinese University of Hong Kong by Dr. Louis Ha.
Copyright by Louis Ha, 2000.
*     *     *