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