I may stupefy you may stupefy he may stupefy we may stupefy you may stupefy they may stupefy
V-ing form
I may be stupefying you may be stupefying he may be stupefying we may be stupefying you may be stupefying they may be stupefying
Perfect
I may have stupefied you may have stupefied he may have stupefied we may have stupefied you may have stupefied they may have stupefied
V-ing perfect
I may have been stupefying you may have been stupefying he may have been stupefying we may have been stupefying you may have been stupefying they may have been stupefying
Negation
Simple form
I mayn't stupefy you mayn't stupefy he mayn't stupefy we mayn't stupefy you mayn't stupefy they mayn't stupefy
V-ing form
I mayn't be stupefying you mayn't be stupefying he mayn't be stupefying we mayn't be stupefying you mayn't be stupefying they mayn't be stupefying
Perfect
I mayn't have stupefied you mayn't have stupefied he mayn't have stupefied we mayn't have stupefied you mayn't have stupefied they mayn't have stupefied
V-ing perfect
I mayn't have been stupefying you mayn't have been stupefying he mayn't have been stupefying we mayn't have been stupefying you mayn't have been stupefying they mayn't have been stupefying
Interrogative form
Simple form
may I stupefy? may you stupefy? may he stupefy? may we stupefy? may you stupefy? may they stupefy?
V-ing form
may I be stupefying? may you be stupefying? may he be stupefying? may we be stupefying? may you be stupefying? may they be stupefying?
Perfect
may I have stupefied? may you have stupefied? may he have stupefied? may we have stupefied? may you have stupefied? may they have stupefied?
V-ing perfect
may I have been stupefying? may you have been stupefying? may he have been stupefying? may we have been stupefying? may you have been stupefying? may they have been stupefying?
Interro-negative form
Simple form
mayn't I stupefy? mayn't you stupefy? mayn't he stupefy? mayn't we stupefy? mayn't you stupefy? mayn't they stupefy?
V-ing form
mayn't I be stupefying? mayn't you be stupefying? mayn't he be stupefying? mayn't we be stupefying? mayn't you be stupefying? mayn't they be stupefying?
Perfect
mayn't I have stupefied? mayn't you have stupefied? mayn't he have stupefied? mayn't we have stupefied? mayn't you have stupefied? mayn't they have stupefied?
V-ing perfect
mayn't I have been stupefying? mayn't you have been stupefying? mayn't he have been stupefying? mayn't we have been stupefying? mayn't you have been stupefying? mayn't they have been stupefying?