English verb conjugation
OUGHT TO DUMBFOUND

Regular verb: dumbfound - dumbfounded - dumbfounded

Affirmation

Simple form	V-ing form
I ought to dumbfound you ought to dumbfound he ought to dumbfound we ought to dumbfound you ought to dumbfound they ought to dumbfound	I ought to be dumbfounding you ought to be dumbfounding he ought to be dumbfounding we ought to be dumbfounding you ought to be dumbfounding they ought to be dumbfounding
Perfect	V-ing perfect
I ought to have dumbfounded you ought to have dumbfounded he ought to have dumbfounded we ought to have dumbfounded you ought to have dumbfounded they ought to have dumbfounded	I ought to have been dumbfounding you ought to have been dumbfounding he ought to have been dumbfounding we ought to have been dumbfounding you ought to have been dumbfounding they ought to have been dumbfounding

Negation

Simple form	V-ing form
I oughtn't to dumbfound you oughtn't to dumbfound he oughtn't to dumbfound we oughtn't to dumbfound you oughtn't to dumbfound they oughtn't to dumbfound	I oughtn't to be dumbfounding you oughtn't to be dumbfounding he oughtn't to be dumbfounding we oughtn't to be dumbfounding you oughtn't to be dumbfounding they oughtn't to be dumbfounding
Perfect	V-ing perfect
I oughtn't to have dumbfounded you oughtn't to have dumbfounded he oughtn't to have dumbfounded we oughtn't to have dumbfounded you oughtn't to have dumbfounded they oughtn't to have dumbfounded	I oughtn't to have been dumbfounding you oughtn't to have been dumbfounding he oughtn't to have been dumbfounding we oughtn't to have been dumbfounding you oughtn't to have been dumbfounding they oughtn't to have been dumbfounding

Interrogative form

Simple form	V-ing form
ought to I dumbfound? ought to you dumbfound? ought to he dumbfound? ought to we dumbfound? ought to you dumbfound? ought to they dumbfound?	ought to I be dumbfounding? ought to you be dumbfounding? ought to he be dumbfounding? ought to we be dumbfounding? ought to you be dumbfounding? ought to they be dumbfounding?
Perfect	V-ing perfect
ought to I have dumbfounded? ought to you have dumbfounded? ought to he have dumbfounded? ought to we have dumbfounded? ought to you have dumbfounded? ought to they have dumbfounded?	ought to I have been dumbfounding? ought to you have been dumbfounding? ought to he have been dumbfounding? ought to we have been dumbfounding? ought to you have been dumbfounding? ought to they have been dumbfounding?

Interro-negative form

Simple form	V-ing form
oughtn't I to dumbfound? oughtn't you to dumbfound? oughtn't he to dumbfound? oughtn't we to dumbfound? oughtn't you to dumbfound? oughtn't they to dumbfound?	oughtn't I to be dumbfounding? oughtn't you to be dumbfounding? oughtn't he to be dumbfounding? oughtn't we to be dumbfounding? oughtn't you to be dumbfounding? oughtn't they to be dumbfounding?
Perfect	V-ing perfect
oughtn't I to have dumbfounded? oughtn't you to have dumbfounded? oughtn't he to have dumbfounded? oughtn't we to have dumbfounded? oughtn't you to have dumbfounded? oughtn't they to have dumbfounded?	oughtn't I to have been dumbfounding? oughtn't you to have been dumbfounding? oughtn't he to have been dumbfounding? oughtn't we to have been dumbfounding? oughtn't you to have been dumbfounding? oughtn't they to have been dumbfounding?