I shall dumbfound you shall dumbfound she shall dumbfound we shall dumbfound you shall dumbfound they shall dumbfound
V-ing form
I shall be dumbfounding you shall be dumbfounding she shall be dumbfounding we shall be dumbfounding you shall be dumbfounding they shall be dumbfounding
Perfect
I shall have dumbfounded you shall have dumbfounded she shall have dumbfounded we shall have dumbfounded you shall have dumbfounded they shall have dumbfounded
V-ing perfect
I shall have been dumbfounding you shall have been dumbfounding she shall have been dumbfounding we shall have been dumbfounding you shall have been dumbfounding they shall have been dumbfounding
Negation
Simple form
I shall not dumbfound you shall not dumbfound she shall not dumbfound we shall not dumbfound you shall not dumbfound they shall not dumbfound
V-ing form
I shall not be dumbfounding you shall not be dumbfounding she shall not be dumbfounding we shall not be dumbfounding you shall not be dumbfounding they shall not be dumbfounding
Perfect
I shall not have dumbfounded you shall not have dumbfounded she shall not have dumbfounded we shall not have dumbfounded you shall not have dumbfounded they shall not have dumbfounded
V-ing perfect
I shall not have been dumbfounding you shall not have been dumbfounding she shall not have been dumbfounding we shall not have been dumbfounding you shall not have been dumbfounding they shall not have been dumbfounding
Interrogative form
Simple form
shall I dumbfound? shall you dumbfound? shall she dumbfound? shall we dumbfound? shall you dumbfound? shall they dumbfound?
V-ing form
shall I be dumbfounding? shall you be dumbfounding? shall she be dumbfounding? shall we be dumbfounding? shall you be dumbfounding? shall they be dumbfounding?
Perfect
shall I have dumbfounded? shall you have dumbfounded? shall she have dumbfounded? shall we have dumbfounded? shall you have dumbfounded? shall they have dumbfounded?
V-ing perfect
shall I have been dumbfounding? shall you have been dumbfounding? shall she have been dumbfounding? shall we have been dumbfounding? shall you have been dumbfounding? shall they have been dumbfounding?
Interro-negative form
Simple form
shall I not dumbfound? shall you not dumbfound? shall she not dumbfound? shall we not dumbfound? shall you not dumbfound? shall they not dumbfound?
V-ing form
shall I not be dumbfounding? shall you not be dumbfounding? shall she not be dumbfounding? shall we not be dumbfounding? shall you not be dumbfounding? shall they not be dumbfounding?
Perfect
shall I not have dumbfounded? shall you not have dumbfounded? shall she not have dumbfounded? shall we not have dumbfounded? shall you not have dumbfounded? shall they not have dumbfounded?
V-ing perfect
shall I not have been dumbfounding? shall you not have been dumbfounding? shall she not have been dumbfounding? shall we not have been dumbfounding? shall you not have been dumbfounding? shall they not have been dumbfounding?