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 may not spur you may not spur he may not spur we may not spur you may not spur they may not spur
V-ing form
I may not be spurring you may not be spurring he may not be spurring we may not be spurring you may not be spurring they may not be spurring
Perfect
I may not have spurred you may not have spurred he may not have spurred we may not have spurred you may not have spurred they may not have spurred
V-ing perfect
I may not have been spurring you may not have been spurring he may not have been spurring we may not have been spurring you may not have been spurring they may not 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
may I not spur? may you not spur? may he not spur? may we not spur? may you not spur? may they not spur?
V-ing form
may I not be spurring? may you not be spurring? may he not be spurring? may we not be spurring? may you not be spurring? may they not be spurring?
Perfect
may I not have spurred? may you not have spurred? may he not have spurred? may we not have spurred? may you not have spurred? may they not have spurred?
V-ing perfect
may I not have been spurring? may you not have been spurring? may he not have been spurring? may we not have been spurring? may you not have been spurring? may they not have been spurring?