I may press you may press he may press we may press you may press they may press
V-ing form
I may be pressing you may be pressing he may be pressing we may be pressing you may be pressing they may be pressing
Perfect
I may have pressed you may have pressed he 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 he 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 he 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 he 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 he 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 he 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 he press? may we press? may you press? may they press?
V-ing form
may I be pressing? may you be pressing? may he be pressing? may we be pressing? may you be pressing? may they be pressing?
Perfect
may I have pressed? may you have pressed? may he 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 he 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 he 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 he 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 he 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 he have been pressing? mayn't we have been pressing? mayn't you have been pressing? mayn't they have been pressing?