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