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