can trill
Verbo regular: trill - trilled- trilled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can trill
you can trill
he can trill
we can trill
you can trill
they can trill 	I can be trilling
you can be trilling
he can be trilling
we can be trilling
you can be trilling
they can be trilling	I can have trilled
you can have trilled
he 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
he can have been trilling
we can have been trilling
you can have been trilling
they can have been trilling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't trill
you can't trill
he can't trill
we can't trill
you can't trill
they can't trill 	I can't be trilling
you can't be trilling
he can't be trilling
we can't be trilling
you can't be trilling
they can't be trilling	I can't have trilled
you can't have trilled
he can't have trilled
we can't have trilled
you can't have trilled
they can't have trilled	I can't have been trilling
you can't have been trilling
he can't have been trilling
we can't have been trilling
you can't have been trilling
they can't have been trilling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I trill?
can you trill?
can he trill?
can we trill?
can you trill?
can they trill? 	can I be trilling?
can you be trilling?
can he be trilling?
can we be trilling?
can you be trilling?
can they be trilling? 	can I have trilled?
can you have trilled?
can he 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 he have been trilling?
can we have been trilling?
can you have been trilling?
can they have been trilling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I trill?
can't you trill?
can't he trill?
can't we trill?
can't you trill?
can't they trill? 	can't I be trilling?
can't you be trilling?
can't he be trilling?
can't we be trilling?
can't you be trilling?
can't they be trilling? 	can't I have trilled?
can't you have trilled?
can't he have trilled?
can't we have trilled?
can't you have trilled?
can't they have trilled? 	can't I have been trilling?
can't you have been trilling?
can't he have been trilling?
can't we have been trilling?
can't you have been trilling?
can't they have been trilling?