may birl
Verbo regular: birl - birled- birled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may birl
you may birl
he may birl
we may birl
you may birl
they may birl 	I may be birling
you may be birling
he may be birling
we may be birling
you may be birling
they may be birling	I may have birled
you may have birled
he may have birled
we may have birled
you may have birled
they may have birled	I may have been birling
you may have been birling
he may have been birling
we may have been birling
you may have been birling
they may have been birling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not birl
you may not birl
he may not birl
we may not birl
you may not birl
they may not birl 	I may not be birling
you may not be birling
he may not be birling
we may not be birling
you may not be birling
they may not be birling	I may not have birled
you may not have birled
he may not have birled
we may not have birled
you may not have birled
they may not have birled	I may not have been birling
you may not have been birling
he may not have been birling
we may not have been birling
you may not have been birling
they may not have been birling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I birl?
may you birl?
may he birl?
may we birl?
may you birl?
may they birl? 	may I be birling?
may you be birling?
may he be birling?
may we be birling?
may you be birling?
may they be birling? 	may I have birled?
may you have birled?
may he have birled?
may we have birled?
may you have birled?
may they have birled? 	may I have been birling?
may you have been birling?
may he have been birling?
may we have been birling?
may you have been birling?
may they have been birling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not birl?
may you not birl?
may he not birl?
may we not birl?
may you not birl?
may they not birl? 	may I not be birling?
may you not be birling?
may he not be birling?
may we not be birling?
may you not be birling?
may they not be birling? 	may I not have birled?
may you not have birled?
may he not have birled?
may we not have birled?
may you not have birled?
may they not have birled? 	may I not have been birling?
may you not have been birling?
may he not have been birling?
may we not have been birling?
may you not have been birling?
may they not have been birling?