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