English verb conjugation
OUGHT TO PROVE

Irregular verb: prove - proved - proven

Affirmation

Simple form	V-ing form
I ought to prove you ought to prove she ought to prove we ought to prove you ought to prove they ought to prove	I ought to be proving you ought to be proving she ought to be proving we ought to be proving you ought to be proving they ought to be proving
Perfect	V-ing perfect
I ought to have proven you ought to have proven she ought to have proven we ought to have proven you ought to have proven they ought to have proven	I ought to have been proving you ought to have been proving she 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	V-ing form
I ought not to prove you ought not to prove she ought not to prove we ought not to prove you ought not to prove they ought not to prove	I ought not to proving you ought not to proving she ought not to proving we ought not to proving you ought not to proving they ought not to proving
Perfect	V-ing perfect
I ought not to have proven you ought not to have proven she ought not to have proven we ought not to have proven you ought not to have proven they ought not to have proven	I ought not to have been proving you ought not to have been proving she 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	V-ing form
ought to I prove? ought to you prove? ought to she prove? ought to we prove? ought to you prove? ought to they prove?	ought to I be proving? ought to you be proving? ought to she be proving? ought to we be proving? ought to you be proving? ought to they be proving?
Perfect	V-ing perfect
ought to I have proven? ought to you have proven? ought to she have proven? ought to we have proven? ought to you have proven? ought to they have proven?	ought to I have been proving? ought to you have been proving? ought to she 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	V-ing form
ought I not to prove? ought you not to prove? ought she not to prove? ought we not to prove? ought you not to prove? ought they not to prove?	ought I not to be proving? ought you not to be proving? ought she not to be proving? ought we not to be proving? ought you not to be proving? ought they not to be proving?
Perfect	V-ing perfect
ought I not to have proven? ought you not to have proven? ought she not to have proven? ought we not to have proven? ought you not to have proven? ought they not to have proven?	ought I not to have been proving? ought you not to have been proving? ought she 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?