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