may double-space
Regular verb: double-space - double-spaced- double-spaced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may double-space
you may double-space
he may double-space
we may double-space
you may double-space
they may double-space 	I may be double-spacing
you may be double-spacing
he may be double-spacing
we may be double-spacing
you may be double-spacing
they may be double-spacing	I may have double-spaced
you may have double-spaced
he may have double-spaced
we may have double-spaced
you may have double-spaced
they may have double-spaced	I may have been double-spacing
you may have been double-spacing
he may have been double-spacing
we may have been double-spacing
you may have been double-spacing
they may have been double-spacing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't double-space
you mayn't double-space
he mayn't double-space
we mayn't double-space
you mayn't double-space
they mayn't double-space 	I mayn't be double-spacing
you mayn't be double-spacing
he mayn't be double-spacing
we mayn't be double-spacing
you mayn't be double-spacing
they mayn't be double-spacing	I mayn't have double-spaced
you mayn't have double-spaced
he mayn't have double-spaced
we mayn't have double-spaced
you mayn't have double-spaced
they mayn't have double-spaced	I mayn't have been double-spacing
you mayn't have been double-spacing
he mayn't have been double-spacing
we mayn't have been double-spacing
you mayn't have been double-spacing
they mayn't have been double-spacing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I double-space?
may you double-space?
may he double-space?
may we double-space?
may you double-space?
may they double-space? 	may I be double-spacing?
may you be double-spacing?
may he be double-spacing?
may we be double-spacing?
may you be double-spacing?
may they be double-spacing? 	may I have double-spaced?
may you have double-spaced?
may he have double-spaced?
may we have double-spaced?
may you have double-spaced?
may they have double-spaced? 	may I have been double-spacing?
may you have been double-spacing?
may he have been double-spacing?
may we have been double-spacing?
may you have been double-spacing?
may they have been double-spacing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I double-space?
mayn't you double-space?
mayn't he double-space?
mayn't we double-space?
mayn't you double-space?
mayn't they double-space? 	mayn't I be double-spacing?
mayn't you be double-spacing?
mayn't he be double-spacing?
mayn't we be double-spacing?
mayn't you be double-spacing?
mayn't they be double-spacing? 	mayn't I have double-spaced?
mayn't you have double-spaced?
mayn't he have double-spaced?
mayn't we have double-spaced?
mayn't you have double-spaced?
mayn't they have double-spaced? 	mayn't I have been double-spacing?
mayn't you have been double-spacing?
mayn't he have been double-spacing?
mayn't we have been double-spacing?
mayn't you have been double-spacing?
mayn't they have been double-spacing?