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