I may cab you may cab he may cab we may cab you may cab they may cab
V-ing form
I may be cabing you may be cabing he may be cabing we may be cabing you may be cabing they may be cabing
Perfect
I may have cabed you may have cabed he may have cabed we may have cabed you may have cabed they may have cabed
V-ing perfect
I may have been cabing you may have been cabing he may have been cabing we may have been cabing you may have been cabing they may have been cabing
Negation
Simple form
I may not cab you may not cab he may not cab we may not cab you may not cab they may not cab
V-ing form
I may not be cabing you may not be cabing he may not be cabing we may not be cabing you may not be cabing they may not be cabing
Perfect
I may not have cabed you may not have cabed he may not have cabed we may not have cabed you may not have cabed they may not have cabed
V-ing perfect
I may not have been cabing you may not have been cabing he may not have been cabing we may not have been cabing you may not have been cabing they may not have been cabing
Interrogative form
Simple form
may I cab? may you cab? may he cab? may we cab? may you cab? may they cab?
V-ing form
may I be cabing? may you be cabing? may he be cabing? may we be cabing? may you be cabing? may they be cabing?
Perfect
may I have cabed? may you have cabed? may he have cabed? may we have cabed? may you have cabed? may they have cabed?
V-ing perfect
may I have been cabing? may you have been cabing? may he have been cabing? may we have been cabing? may you have been cabing? may they have been cabing?
Interro-negative form
Simple form
may I not cab? may you not cab? may he not cab? may we not cab? may you not cab? may they not cab?
V-ing form
may I not be cabing? may you not be cabing? may he not be cabing? may we not be cabing? may you not be cabing? may they not be cabing?
Perfect
may I not have cabed? may you not have cabed? may he not have cabed? may we not have cabed? may you not have cabed? may they not have cabed?
V-ing perfect
may I not have been cabing? may you not have been cabing? may he not have been cabing? may we not have been cabing? may you not have been cabing? may they not have been cabing?