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