can shrill
Verbo regular: shrill - shrilled- shrilled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can shrill
you can shrill
he can shrill
we can shrill
you can shrill
they can shrill 	I can be shrilling
you can be shrilling
he can be shrilling
we can be shrilling
you can be shrilling
they can be shrilling	I can have shrilled
you can have shrilled
he can have shrilled
we can have shrilled
you can have shrilled
they can have shrilled	I can have been shrilling
you can have been shrilling
he can have been shrilling
we can have been shrilling
you can have been shrilling
they can have been shrilling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot shrill
you cannot shrill
he cannot shrill
we cannot shrill
you cannot shrill
they cannot shrill 	I cannot be shrilling
you cannot be shrilling
he cannot be shrilling
we cannot be shrilling
you cannot be shrilling
they cannot be shrilling	I cannot have shrilled
you cannot have shrilled
he cannot have shrilled
we cannot have shrilled
you cannot have shrilled
they cannot have shrilled	I cannot have been shrilling
you cannot have been shrilling
he cannot have been shrilling
we cannot have been shrilling
you cannot have been shrilling
they cannot have been shrilling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I shrill?
can you shrill?
can he shrill?
can we shrill?
can you shrill?
can they shrill? 	can I be shrilling?
can you be shrilling?
can he be shrilling?
can we be shrilling?
can you be shrilling?
can they be shrilling? 	can I have shrilled?
can you have shrilled?
can he have shrilled?
can we have shrilled?
can you have shrilled?
can they have shrilled? 	can I have been shrilling?
can you have been shrilling?
can he have been shrilling?
can we have been shrilling?
can you have been shrilling?
can they have been shrilling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not shrill?
can you not shrill?
can he not shrill?
can we not shrill?
can you not shrill?
can they not shrill? 	can I not be shrilling?
can you not be shrilling?
can he not be shrilling?
can we not be shrilling?
can you not be shrilling?
can they not be shrilling? 	can I not have shrilled?
can you not have shrilled?
can he not have shrilled?
can we not have shrilled?
can you not have shrilled?
can they not have shrilled? 	can I not have been shrilling?
can you not have been shrilling?
can he not have been shrilling?
can we not have been shrilling?
can you not have been shrilling?
can they not have been shrilling?