I ought to prove you ought to prove he ought to prove we ought to prove you ought to prove they ought to prove
V-ing form
I ought to be proving you ought to be proving he ought to be proving we ought to be proving you ought to be proving they ought to be proving
Perfect
I ought to have proven you ought to have proven he ought to have proven we ought to have proven you ought to have proven they ought to have proven
V-ing perfect
I ought to have been proving you ought to have been proving he ought to have been proving we ought to have been proving you ought to have been proving they ought to have been proving
Negation
Simple form
I ought not to prove you ought not to prove he ought not to prove we ought not to prove you ought not to prove they ought not to prove
V-ing form
I ought not to proving you ought not to proving he ought not to proving we ought not to proving you ought not to proving they ought not to proving
Perfect
I ought not to have proven you ought not to have proven he ought not to have proven we ought not to have proven you ought not to have proven they ought not to have proven
V-ing perfect
I ought not to have been proving you ought not to have been proving he ought not to have been proving we ought not to have been proving you ought not to have been proving they ought not to have been proving
Interrogative form
Simple form
ought to I prove? ought to you prove? ought to he prove? ought to we prove? ought to you prove? ought to they prove?
V-ing form
ought to I be proving? ought to you be proving? ought to he be proving? ought to we be proving? ought to you be proving? ought to they be proving?
Perfect
ought to I have proven? ought to you have proven? ought to he have proven? ought to we have proven? ought to you have proven? ought to they have proven?
V-ing perfect
ought to I have been proving? ought to you have been proving? ought to he have been proving? ought to we have been proving? ought to you have been proving? ought to they have been proving?
Interro-negative form
Simple form
ought I not to prove? ought you not to prove? ought he not to prove? ought we not to prove? ought you not to prove? ought they not to prove?
V-ing form
ought I not to be proving? ought you not to be proving? ought he not to be proving? ought we not to be proving? ought you not to be proving? ought they not to be proving?
Perfect
ought I not to have proven? ought you not to have proven? ought he not to have proven? ought we not to have proven? ought you not to have proven? ought they not to have proven?
V-ing perfect
ought I not to have been proving? ought you not to have been proving? ought he not to have been proving? ought we not to have been proving? ought you not to have been proving? ought they not to have been proving?