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