I may preach you may preach she may preach we may preach you may preach they may preach
V-ing form
I may be preaching you may be preaching she may be preaching we may be preaching you may be preaching they may be preaching
Perfect
I may have preached you may have preached she may have preached we may have preached you may have preached they may have preached
V-ing perfect
I may have been preaching you may have been preaching she may have been preaching we may have been preaching you may have been preaching they may have been preaching
Negation
Simple form
I mayn't preach you mayn't preach she mayn't preach we mayn't preach you mayn't preach they mayn't preach
V-ing form
I mayn't be preaching you mayn't be preaching she mayn't be preaching we mayn't be preaching you mayn't be preaching they mayn't be preaching
Perfect
I mayn't have preached you mayn't have preached she mayn't have preached we mayn't have preached you mayn't have preached they mayn't have preached
V-ing perfect
I mayn't have been preaching you mayn't have been preaching she mayn't have been preaching we mayn't have been preaching you mayn't have been preaching they mayn't have been preaching
Interrogative form
Simple form
may I preach? may you preach? may she preach? may we preach? may you preach? may they preach?
V-ing form
may I be preaching? may you be preaching? may she be preaching? may we be preaching? may you be preaching? may they be preaching?
Perfect
may I have preached? may you have preached? may she have preached? may we have preached? may you have preached? may they have preached?
V-ing perfect
may I have been preaching? may you have been preaching? may she have been preaching? may we have been preaching? may you have been preaching? may they have been preaching?
Interro-negative form
Simple form
mayn't I preach? mayn't you preach? mayn't she preach? mayn't we preach? mayn't you preach? mayn't they preach?
V-ing form
mayn't I be preaching? mayn't you be preaching? mayn't she be preaching? mayn't we be preaching? mayn't you be preaching? mayn't they be preaching?
Perfect
mayn't I have preached? mayn't you have preached? mayn't she have preached? mayn't we have preached? mayn't you have preached? mayn't they have preached?
V-ing perfect
mayn't I have been preaching? mayn't you have been preaching? mayn't she have been preaching? mayn't we have been preaching? mayn't you have been preaching? mayn't they have been preaching?