I may double-cross you may double-cross she may double-cross we may double-cross you may double-cross they may double-cross
V-ing form
I may be double-crossing you may be double-crossing she may be double-crossing we may be double-crossing you may be double-crossing they may be double-crossing
Perfect
I may have double-crossed you may have double-crossed she may have double-crossed we may have double-crossed you may have double-crossed they may have double-crossed
V-ing perfect
I may have been double-crossing you may have been double-crossing she may have been double-crossing we may have been double-crossing you may have been double-crossing they may have been double-crossing
Negation
Simple form
I mayn't double-cross you mayn't double-cross she mayn't double-cross we mayn't double-cross you mayn't double-cross they mayn't double-cross
V-ing form
I mayn't be double-crossing you mayn't be double-crossing she mayn't be double-crossing we mayn't be double-crossing you mayn't be double-crossing they mayn't be double-crossing
Perfect
I mayn't have double-crossed you mayn't have double-crossed she mayn't have double-crossed we mayn't have double-crossed you mayn't have double-crossed they mayn't have double-crossed
V-ing perfect
I mayn't have been double-crossing you mayn't have been double-crossing she mayn't have been double-crossing we mayn't have been double-crossing you mayn't have been double-crossing they mayn't have been double-crossing
Interrogative form
Simple form
may I double-cross? may you double-cross? may she double-cross? may we double-cross? may you double-cross? may they double-cross?
V-ing form
may I be double-crossing? may you be double-crossing? may she be double-crossing? may we be double-crossing? may you be double-crossing? may they be double-crossing?
Perfect
may I have double-crossed? may you have double-crossed? may she have double-crossed? may we have double-crossed? may you have double-crossed? may they have double-crossed?
V-ing perfect
may I have been double-crossing? may you have been double-crossing? may she have been double-crossing? may we have been double-crossing? may you have been double-crossing? may they have been double-crossing?
Interro-negative form
Simple form
mayn't I double-cross? mayn't you double-cross? mayn't she double-cross? mayn't we double-cross? mayn't you double-cross? mayn't they double-cross?
V-ing form
mayn't I be double-crossing? mayn't you be double-crossing? mayn't she be double-crossing? mayn't we be double-crossing? mayn't you be double-crossing? mayn't they be double-crossing?
Perfect
mayn't I have double-crossed? mayn't you have double-crossed? mayn't she have double-crossed? mayn't we have double-crossed? mayn't you have double-crossed? mayn't they have double-crossed?
V-ing perfect
mayn't I have been double-crossing? mayn't you have been double-crossing? mayn't she have been double-crossing? mayn't we have been double-crossing? mayn't you have been double-crossing? mayn't they have been double-crossing?