can roar
Verbo regular: roar - roared- roared

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can roar
you can roar
he can roar
we can roar
you can roar
they can roar 	I can be roaring
you can be roaring
he can be roaring
we can be roaring
you can be roaring
they can be roaring	I can have roared
you can have roared
he can have roared
we can have roared
you can have roared
they can have roared	I can have been roaring
you can have been roaring
he can have been roaring
we can have been roaring
you can have been roaring
they can have been roaring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't roar
you can't roar
he can't roar
we can't roar
you can't roar
they can't roar 	I can't be roaring
you can't be roaring
he can't be roaring
we can't be roaring
you can't be roaring
they can't be roaring	I can't have roared
you can't have roared
he can't have roared
we can't have roared
you can't have roared
they can't have roared	I can't have been roaring
you can't have been roaring
he can't have been roaring
we can't have been roaring
you can't have been roaring
they can't have been roaring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I roar?
can you roar?
can he roar?
can we roar?
can you roar?
can they roar? 	can I be roaring?
can you be roaring?
can he be roaring?
can we be roaring?
can you be roaring?
can they be roaring? 	can I have roared?
can you have roared?
can he have roared?
can we have roared?
can you have roared?
can they have roared? 	can I have been roaring?
can you have been roaring?
can he have been roaring?
can we have been roaring?
can you have been roaring?
can they have been roaring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I roar?
can't you roar?
can't he roar?
can't we roar?
can't you roar?
can't they roar? 	can't I be roaring?
can't you be roaring?
can't he be roaring?
can't we be roaring?
can't you be roaring?
can't they be roaring? 	can't I have roared?
can't you have roared?
can't he have roared?
can't we have roared?
can't you have roared?
can't they have roared? 	can't I have been roaring?
can't you have been roaring?
can't he have been roaring?
can't we have been roaring?
can't you have been roaring?
can't they have been roaring?