may unload
Regular verb: unload - unloaded- unloaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may unload
you may unload
she may unload
we may unload
you may unload
they may unload 	I may be unloading
you may be unloading
she may be unloading
we may be unloading
you may be unloading
they may be unloading	I may have unloaded
you may have unloaded
she may have unloaded
we may have unloaded
you may have unloaded
they may have unloaded	I may have been unloading
you may have been unloading
she may have been unloading
we may have been unloading
you may have been unloading
they may have been unloading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't unload
you mayn't unload
she mayn't unload
we mayn't unload
you mayn't unload
they mayn't unload 	I mayn't be unloading
you mayn't be unloading
she mayn't be unloading
we mayn't be unloading
you mayn't be unloading
they mayn't be unloading	I mayn't have unloaded
you mayn't have unloaded
she mayn't have unloaded
we mayn't have unloaded
you mayn't have unloaded
they mayn't have unloaded	I mayn't have been unloading
you mayn't have been unloading
she mayn't have been unloading
we mayn't have been unloading
you mayn't have been unloading
they mayn't have been unloading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I unload?
may you unload?
may she unload?
may we unload?
may you unload?
may they unload? 	may I be unloading?
may you be unloading?
may she be unloading?
may we be unloading?
may you be unloading?
may they be unloading? 	may I have unloaded?
may you have unloaded?
may she have unloaded?
may we have unloaded?
may you have unloaded?
may they have unloaded? 	may I have been unloading?
may you have been unloading?
may she have been unloading?
may we have been unloading?
may you have been unloading?
may they have been unloading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I unload?
mayn't you unload?
mayn't she unload?
mayn't we unload?
mayn't you unload?
mayn't they unload? 	mayn't I be unloading?
mayn't you be unloading?
mayn't she be unloading?
mayn't we be unloading?
mayn't you be unloading?
mayn't they be unloading? 	mayn't I have unloaded?
mayn't you have unloaded?
mayn't she have unloaded?
mayn't we have unloaded?
mayn't you have unloaded?
mayn't they have unloaded? 	mayn't I have been unloading?
mayn't you have been unloading?
mayn't she have been unloading?
mayn't we have been unloading?
mayn't you have been unloading?
mayn't they have been unloading?