can trill
Verbo regular: trill - trilled- trilled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can trill
you can trill
she can trill
we can trill
you can trill
they can trill 	I can be trilling
you can be trilling
she can be trilling
we can be trilling
you can be trilling
they can be trilling	I can have trilled
you can have trilled
she can have trilled
we can have trilled
you can have trilled
they can have trilled	I can have been trilling
you can have been trilling
she can have been trilling
we can have been trilling
you can have been trilling
they can have been trilling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot trill
you cannot trill
she cannot trill
we cannot trill
you cannot trill
they cannot trill 	I cannot be trilling
you cannot be trilling
she cannot be trilling
we cannot be trilling
you cannot be trilling
they cannot be trilling	I cannot have trilled
you cannot have trilled
she cannot have trilled
we cannot have trilled
you cannot have trilled
they cannot have trilled	I cannot have been trilling
you cannot have been trilling
she cannot have been trilling
we cannot have been trilling
you cannot have been trilling
they cannot have been trilling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I trill?
can you trill?
can she trill?
can we trill?
can you trill?
can they trill? 	can I be trilling?
can you be trilling?
can she be trilling?
can we be trilling?
can you be trilling?
can they be trilling? 	can I have trilled?
can you have trilled?
can she have trilled?
can we have trilled?
can you have trilled?
can they have trilled? 	can I have been trilling?
can you have been trilling?
can she have been trilling?
can we have been trilling?
can you have been trilling?
can they have been trilling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not trill?
can you not trill?
can she not trill?
can we not trill?
can you not trill?
can they not trill? 	can I not be trilling?
can you not be trilling?
can she not be trilling?
can we not be trilling?
can you not be trilling?
can they not be trilling? 	can I not have trilled?
can you not have trilled?
can she not have trilled?
can we not have trilled?
can you not have trilled?
can they not have trilled? 	can I not have been trilling?
can you not have been trilling?
can she not have been trilling?
can we not have been trilling?
can you not have been trilling?
can they not have been trilling?