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 may not dredge you may not dredge he may not dredge we may not dredge you may not dredge they may not dredge
V-ing form
I may not be dredging you may not be dredging he may not be dredging we may not be dredging you may not be dredging they may not be dredging
Perfect
I may not have dredged you may not have dredged he may not have dredged we may not have dredged you may not have dredged they may not have dredged
V-ing perfect
I may not have been dredging you may not have been dredging he may not have been dredging we may not have been dredging you may not have been dredging they may not 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
may I not dredge? may you not dredge? may he not dredge? may we not dredge? may you not dredge? may they not dredge?
V-ing form
may I not be dredging? may you not be dredging? may he not be dredging? may we not be dredging? may you not be dredging? may they not be dredging?
Perfect
may I not have dredged? may you not have dredged? may he not have dredged? may we not have dredged? may you not have dredged? may they not have dredged?
V-ing perfect
may I not have been dredging? may you not have been dredging? may he not have been dredging? may we not have been dredging? may you not have been dredging? may they not have been dredging?