can birl
Verbo regolare: birl - birled- birled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can birl
you can birl
she can birl
we can birl
you can birl
they can birl 	I can be birling
you can be birling
she can be birling
we can be birling
you can be birling
they can be birling	I can have birled
you can have birled
she can have birled
we can have birled
you can have birled
they can have birled	I can have been birling
you can have been birling
she can have been birling
we can have been birling
you can have been birling
they can have been birling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot birl
you cannot birl
she cannot birl
we cannot birl
you cannot birl
they cannot birl 	I cannot be birling
you cannot be birling
she cannot be birling
we cannot be birling
you cannot be birling
they cannot be birling	I cannot have birled
you cannot have birled
she cannot have birled
we cannot have birled
you cannot have birled
they cannot have birled	I cannot have been birling
you cannot have been birling
she cannot have been birling
we cannot have been birling
you cannot have been birling
they cannot have been birling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I birl?
can you birl?
can she birl?
can we birl?
can you birl?
can they birl? 	can I be birling?
can you be birling?
can she be birling?
can we be birling?
can you be birling?
can they be birling? 	can I have birled?
can you have birled?
can she have birled?
can we have birled?
can you have birled?
can they have birled? 	can I have been birling?
can you have been birling?
can she have been birling?
can we have been birling?
can you have been birling?
can they have been birling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not birl?
can you not birl?
can she not birl?
can we not birl?
can you not birl?
can they not birl? 	can I not be birling?
can you not be birling?
can she not be birling?
can we not be birling?
can you not be birling?
can they not be birling? 	can I not have birled?
can you not have birled?
can she not have birled?
can we not have birled?
can you not have birled?
can they not have birled? 	can I not have been birling?
can you not have been birling?
can she not have been birling?
can we not have been birling?
can you not have been birling?
can they not have been birling?