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