I may spur you may spur he may spur we may spur you may spur they may spur
V-ing form
I may be spurring you may be spurring he may be spurring we may be spurring you may be spurring they may be spurring
Perfect
I may have spurred you may have spurred he may have spurred we may have spurred you may have spurred they may have spurred
V-ing perfect
I may have been spurring you may have been spurring he may have been spurring we may have been spurring you may have been spurring they may have been spurring
Negation
Simple form
I mayn't spur you mayn't spur he mayn't spur we mayn't spur you mayn't spur they mayn't spur
V-ing form
I mayn't be spurring you mayn't be spurring he mayn't be spurring we mayn't be spurring you mayn't be spurring they mayn't be spurring
Perfect
I mayn't have spurred you mayn't have spurred he mayn't have spurred we mayn't have spurred you mayn't have spurred they mayn't have spurred
V-ing perfect
I mayn't have been spurring you mayn't have been spurring he mayn't have been spurring we mayn't have been spurring you mayn't have been spurring they mayn't have been spurring
Interrogative form
Simple form
may I spur? may you spur? may he spur? may we spur? may you spur? may they spur?
V-ing form
may I be spurring? may you be spurring? may he be spurring? may we be spurring? may you be spurring? may they be spurring?
Perfect
may I have spurred? may you have spurred? may he have spurred? may we have spurred? may you have spurred? may they have spurred?
V-ing perfect
may I have been spurring? may you have been spurring? may he have been spurring? may we have been spurring? may you have been spurring? may they have been spurring?
Interro-negative form
Simple form
mayn't I spur? mayn't you spur? mayn't he spur? mayn't we spur? mayn't you spur? mayn't they spur?
V-ing form
mayn't I be spurring? mayn't you be spurring? mayn't he be spurring? mayn't we be spurring? mayn't you be spurring? mayn't they be spurring?
Perfect
mayn't I have spurred? mayn't you have spurred? mayn't he have spurred? mayn't we have spurred? mayn't you have spurred? mayn't they have spurred?
V-ing perfect
mayn't I have been spurring? mayn't you have been spurring? mayn't he have been spurring? mayn't we have been spurring? mayn't you have been spurring? mayn't they have been spurring?