can bur
Verbo regolare: bur - bured- bured

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can bur
you can bur
she can bur
we can bur
you can bur
they can bur 	I can be buring
you can be buring
she can be buring
we can be buring
you can be buring
they can be buring	I can have bured
you can have bured
she can have bured
we can have bured
you can have bured
they can have bured	I can have been buring
you can have been buring
she can have been buring
we can have been buring
you can have been buring
they can have been buring	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot bur
you cannot bur
she cannot bur
we cannot bur
you cannot bur
they cannot bur 	I cannot be buring
you cannot be buring
she cannot be buring
we cannot be buring
you cannot be buring
they cannot be buring	I cannot have bured
you cannot have bured
she cannot have bured
we cannot have bured
you cannot have bured
they cannot have bured	I cannot have been buring
you cannot have been buring
she cannot have been buring
we cannot have been buring
you cannot have been buring
they cannot have been buring	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I bur?
can you bur?
can she bur?
can we bur?
can you bur?
can they bur? 	can I be buring?
can you be buring?
can she be buring?
can we be buring?
can you be buring?
can they be buring? 	can I have bured?
can you have bured?
can she have bured?
can we have bured?
can you have bured?
can they have bured? 	can I have been buring?
can you have been buring?
can she have been buring?
can we have been buring?
can you have been buring?
can they have been buring? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not bur?
can you not bur?
can she not bur?
can we not bur?
can you not bur?
can they not bur? 	can I not be buring?
can you not be buring?
can she not be buring?
can we not be buring?
can you not be buring?
can they not be buring? 	can I not have bured?
can you not have bured?
can she not have bured?
can we not have bured?
can you not have bured?
can they not have bured? 	can I not have been buring?
can you not have been buring?
can she not have been buring?
can we not have been buring?
can you not have been buring?
can they not have been buring?