form est, [828];
suffix of pres. subjv. -i- and -iē-, [841];
form of sim, &c., [841];
form of es, &c. (imper.), [844];
form of essem, &c., [850];
form of esse, [895];
prin. parts of, [922];
root verb, [744].
Used impersonally, [1034];
omitted, [1036];