may empty
Regular verb: empty - emptied- emptied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may empty
you may empty
she may empty
we may empty
you may empty
they may empty 	I may be emptying
you may be emptying
she may be emptying
we may be emptying
you may be emptying
they may be emptying	I may have emptied
you may have emptied
she may have emptied
we may have emptied
you may have emptied
they may have emptied	I may have been emptying
you may have been emptying
she may have been emptying
we may have been emptying
you may have been emptying
they may have been emptying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't empty
you mayn't empty
she mayn't empty
we mayn't empty
you mayn't empty
they mayn't empty 	I mayn't be emptying
you mayn't be emptying
she mayn't be emptying
we mayn't be emptying
you mayn't be emptying
they mayn't be emptying	I mayn't have emptied
you mayn't have emptied
she mayn't have emptied
we mayn't have emptied
you mayn't have emptied
they mayn't have emptied	I mayn't have been emptying
you mayn't have been emptying
she mayn't have been emptying
we mayn't have been emptying
you mayn't have been emptying
they mayn't have been emptying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I empty?
may you empty?
may she empty?
may we empty?
may you empty?
may they empty? 	may I be emptying?
may you be emptying?
may she be emptying?
may we be emptying?
may you be emptying?
may they be emptying? 	may I have emptied?
may you have emptied?
may she have emptied?
may we have emptied?
may you have emptied?
may they have emptied? 	may I have been emptying?
may you have been emptying?
may she have been emptying?
may we have been emptying?
may you have been emptying?
may they have been emptying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I empty?
mayn't you empty?
mayn't she empty?
mayn't we empty?
mayn't you empty?
mayn't they empty? 	mayn't I be emptying?
mayn't you be emptying?
mayn't she be emptying?
mayn't we be emptying?
mayn't you be emptying?
mayn't they be emptying? 	mayn't I have emptied?
mayn't you have emptied?
mayn't she have emptied?
mayn't we have emptied?
mayn't you have emptied?
mayn't they have emptied? 	mayn't I have been emptying?
mayn't you have been emptying?
mayn't she have been emptying?
mayn't we have been emptying?
mayn't you have been emptying?
mayn't they have been emptying?