can bellow
Regular verb: bellow - bellowed- bellowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can bellow
you can bellow
he can bellow
we can bellow
you can bellow
they can bellow 	I can be bellowing
you can be bellowing
he can be bellowing
we can be bellowing
you can be bellowing
they can be bellowing	I can have bellowed
you can have bellowed
he can have bellowed
we can have bellowed
you can have bellowed
they can have bellowed	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 	V-ing form 	Perfect 	V-ing perfect 	
I cannot bellow
you cannot bellow
he cannot bellow
we cannot bellow
you cannot bellow
they cannot bellow 	I cannot be bellowing
you cannot be bellowing
he cannot be bellowing
we cannot be bellowing
you cannot be bellowing
they cannot be bellowing	I cannot have bellowed
you cannot have bellowed
he cannot have bellowed
we cannot have bellowed
you cannot have bellowed
they cannot have bellowed	I cannot have been bellowing
you cannot have been bellowing
he cannot have been bellowing
we cannot have been bellowing
you cannot have been bellowing
they cannot have been bellowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I bellow?
can you bellow?
can he bellow?
can we bellow?
can you bellow?
can they bellow? 	can I be bellowing?
can you be bellowing?
can he be bellowing?
can we be bellowing?
can you be bellowing?
can they be bellowing? 	can I have bellowed?
can you have bellowed?
can he have bellowed?
can we have bellowed?
can you have bellowed?
can they have bellowed? 	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 	V-ing form 	Perfect 	V-ing perfect 	
can I not bellow?
can you not bellow?
can he not bellow?
can we not bellow?
can you not bellow?
can they not bellow? 	can I not be bellowing?
can you not be bellowing?
can he not be bellowing?
can we not be bellowing?
can you not be bellowing?
can they not be bellowing? 	can I not have bellowed?
can you not have bellowed?
can he not have bellowed?
can we not have bellowed?
can you not have bellowed?
can they not have bellowed? 	can I not have been bellowing?
can you not have been bellowing?
can he not have been bellowing?
can we not have been bellowing?
can you not have been bellowing?
can they not have been bellowing?