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