I ought to spare you ought to spare he ought to spare we ought to spare you ought to spare they ought to spare
V-ing form
I ought to be sparing you ought to be sparing he ought to be sparing we ought to be sparing you ought to be sparing they ought to be sparing
Perfect
I ought to have spared you ought to have spared he ought to have spared we ought to have spared you ought to have spared they ought to have spared
V-ing perfect
I ought to have been sparing you ought to have been sparing he ought to have been sparing we ought to have been sparing you ought to have been sparing they ought to have been sparing
Negation
Simple form
I ought not to spare you ought not to spare he ought not to spare we ought not to spare you ought not to spare they ought not to spare
V-ing form
I ought not to sparing you ought not to sparing he ought not to sparing we ought not to sparing you ought not to sparing they ought not to sparing
Perfect
I ought not to have spared you ought not to have spared he ought not to have spared we ought not to have spared you ought not to have spared they ought not to have spared
V-ing perfect
I ought not to have been sparing you ought not to have been sparing he ought not to have been sparing we ought not to have been sparing you ought not to have been sparing they ought not to have been sparing
Interrogative form
Simple form
ought to I spare? ought to you spare? ought to he spare? ought to we spare? ought to you spare? ought to they spare?
V-ing form
ought to I be sparing? ought to you be sparing? ought to he be sparing? ought to we be sparing? ought to you be sparing? ought to they be sparing?
Perfect
ought to I have spared? ought to you have spared? ought to he have spared? ought to we have spared? ought to you have spared? ought to they have spared?
V-ing perfect
ought to I have been sparing? ought to you have been sparing? ought to he have been sparing? ought to we have been sparing? ought to you have been sparing? ought to they have been sparing?
Interro-negative form
Simple form
ought I not to spare? ought you not to spare? ought he not to spare? ought we not to spare? ought you not to spare? ought they not to spare?
V-ing form
ought I not to be sparing? ought you not to be sparing? ought he not to be sparing? ought we not to be sparing? ought you not to be sparing? ought they not to be sparing?
Perfect
ought I not to have spared? ought you not to have spared? ought he not to have spared? ought we not to have spared? ought you not to have spared? ought they not to have spared?
V-ing perfect
ought I not to have been sparing? ought you not to have been sparing? ought he not to have been sparing? ought we not to have been sparing? ought you not to have been sparing? ought they not to have been sparing?