I may refrain you may refrain she may refrain we may refrain you may refrain they may refrain
V-ing form
I may be refraining you may be refraining she may be refraining we may be refraining you may be refraining they may be refraining
Perfect
I may have refrained you may have refrained she may have refrained we may have refrained you may have refrained they may have refrained
V-ing perfect
I may have been refraining you may have been refraining she may have been refraining we may have been refraining you may have been refraining they may have been refraining
Negation
Simple form
I mayn't refrain you mayn't refrain she mayn't refrain we mayn't refrain you mayn't refrain they mayn't refrain
V-ing form
I mayn't be refraining you mayn't be refraining she mayn't be refraining we mayn't be refraining you mayn't be refraining they mayn't be refraining
Perfect
I mayn't have refrained you mayn't have refrained she mayn't have refrained we mayn't have refrained you mayn't have refrained they mayn't have refrained
V-ing perfect
I mayn't have been refraining you mayn't have been refraining she mayn't have been refraining we mayn't have been refraining you mayn't have been refraining they mayn't have been refraining
Interrogative form
Simple form
may I refrain? may you refrain? may she refrain? may we refrain? may you refrain? may they refrain?
V-ing form
may I be refraining? may you be refraining? may she be refraining? may we be refraining? may you be refraining? may they be refraining?
Perfect
may I have refrained? may you have refrained? may she have refrained? may we have refrained? may you have refrained? may they have refrained?
V-ing perfect
may I have been refraining? may you have been refraining? may she have been refraining? may we have been refraining? may you have been refraining? may they have been refraining?
Interro-negative form
Simple form
mayn't I refrain? mayn't you refrain? mayn't she refrain? mayn't we refrain? mayn't you refrain? mayn't they refrain?
V-ing form
mayn't I be refraining? mayn't you be refraining? mayn't she be refraining? mayn't we be refraining? mayn't you be refraining? mayn't they be refraining?
Perfect
mayn't I have refrained? mayn't you have refrained? mayn't she have refrained? mayn't we have refrained? mayn't you have refrained? mayn't they have refrained?
V-ing perfect
mayn't I have been refraining? mayn't you have been refraining? mayn't she have been refraining? mayn't we have been refraining? mayn't you have been refraining? mayn't they have been refraining?