English verb conjugation
MAY DUMBFOUND

Regular verb: dumbfound - dumbfounded - dumbfounded

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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