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