can bull
Verbo regular: bull - bulled- bulled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can bull
you can bull
he can bull
we can bull
you can bull
they can bull 	I can be bulling
you can be bulling
he can be bulling
we can be bulling
you can be bulling
they can be bulling	I can have bulled
you can have bulled
he can have bulled
we can have bulled
you can have bulled
they can have bulled	I can have been bulling
you can have been bulling
he can have been bulling
we can have been bulling
you can have been bulling
they can have been bulling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't bull
you can't bull
he can't bull
we can't bull
you can't bull
they can't bull 	I can't be bulling
you can't be bulling
he can't be bulling
we can't be bulling
you can't be bulling
they can't be bulling	I can't have bulled
you can't have bulled
he can't have bulled
we can't have bulled
you can't have bulled
they can't have bulled	I can't have been bulling
you can't have been bulling
he can't have been bulling
we can't have been bulling
you can't have been bulling
they can't have been bulling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I bull?
can you bull?
can he bull?
can we bull?
can you bull?
can they bull? 	can I be bulling?
can you be bulling?
can he be bulling?
can we be bulling?
can you be bulling?
can they be bulling? 	can I have bulled?
can you have bulled?
can he have bulled?
can we have bulled?
can you have bulled?
can they have bulled? 	can I have been bulling?
can you have been bulling?
can he have been bulling?
can we have been bulling?
can you have been bulling?
can they have been bulling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I bull?
can't you bull?
can't he bull?
can't we bull?
can't you bull?
can't they bull? 	can't I be bulling?
can't you be bulling?
can't he be bulling?
can't we be bulling?
can't you be bulling?
can't they be bulling? 	can't I have bulled?
can't you have bulled?
can't he have bulled?
can't we have bulled?
can't you have bulled?
can't they have bulled? 	can't I have been bulling?
can't you have been bulling?
can't he have been bulling?
can't we have been bulling?
can't you have been bulling?
can't they have been bulling?