may unload
Regular verb: unload - unloaded- unloaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may unload
you may unload
he may unload
we may unload
you may unload
they may unload 	I may be unloading
you may be unloading
he may be unloading
we may be unloading
you may be unloading
they may be unloading	I may have unloaded
you may have unloaded
he 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
he 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
he 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
he 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
he 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
he 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 he unload?
may we unload?
may you unload?
may they unload? 	may I be unloading?
may you be unloading?
may he be unloading?
may we be unloading?
may you be unloading?
may they be unloading? 	may I have unloaded?
may you have unloaded?
may he 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 he 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 he 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 he 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 he 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 he have been unloading?
mayn't we have been unloading?
mayn't you have been unloading?
mayn't they have been unloading?