I ought to thwart you ought to thwart he ought to thwart we ought to thwart you ought to thwart they ought to thwart
V-ing form
I ought to be thwarting you ought to be thwarting he ought to be thwarting we ought to be thwarting you ought to be thwarting they ought to be thwarting
Perfect
I ought to have thwarted you ought to have thwarted he ought to have thwarted we ought to have thwarted you ought to have thwarted they ought to have thwarted
V-ing perfect
I ought to have been thwarting you ought to have been thwarting he ought to have been thwarting we ought to have been thwarting you ought to have been thwarting they ought to have been thwarting
Negation
Simple form
I ought not to thwart you ought not to thwart he ought not to thwart we ought not to thwart you ought not to thwart they ought not to thwart
V-ing form
I ought not to thwarting you ought not to thwarting he ought not to thwarting we ought not to thwarting you ought not to thwarting they ought not to thwarting
Perfect
I ought not to have thwarted you ought not to have thwarted he ought not to have thwarted we ought not to have thwarted you ought not to have thwarted they ought not to have thwarted
V-ing perfect
I ought not to have been thwarting you ought not to have been thwarting he ought not to have been thwarting we ought not to have been thwarting you ought not to have been thwarting they ought not to have been thwarting
Interrogative form
Simple form
ought to I thwart? ought to you thwart? ought to he thwart? ought to we thwart? ought to you thwart? ought to they thwart?
V-ing form
ought to I be thwarting? ought to you be thwarting? ought to he be thwarting? ought to we be thwarting? ought to you be thwarting? ought to they be thwarting?
Perfect
ought to I have thwarted? ought to you have thwarted? ought to he have thwarted? ought to we have thwarted? ought to you have thwarted? ought to they have thwarted?
V-ing perfect
ought to I have been thwarting? ought to you have been thwarting? ought to he have been thwarting? ought to we have been thwarting? ought to you have been thwarting? ought to they have been thwarting?
Interro-negative form
Simple form
ought I not to thwart? ought you not to thwart? ought he not to thwart? ought we not to thwart? ought you not to thwart? ought they not to thwart?
V-ing form
ought I not to be thwarting? ought you not to be thwarting? ought he not to be thwarting? ought we not to be thwarting? ought you not to be thwarting? ought they not to be thwarting?
Perfect
ought I not to have thwarted? ought you not to have thwarted? ought he not to have thwarted? ought we not to have thwarted? ought you not to have thwarted? ought they not to have thwarted?
V-ing perfect
ought I not to have been thwarting? ought you not to have been thwarting? ought he not to have been thwarting? ought we not to have been thwarting? ought you not to have been thwarting? ought they not to have been thwarting?