can roar
Verbe régulier : roar - roared- roared

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot roar
you cannot roar
he cannot roar
we cannot roar
you cannot roar
they cannot roar 	I cannot be roaring
you cannot be roaring
he cannot be roaring
we cannot be roaring
you cannot be roaring
they cannot be roaring	I cannot have roared
you cannot have roared
he cannot have roared
we cannot have roared
you cannot have roared
they cannot have roared	I cannot have been roaring
you cannot have been roaring
he cannot have been roaring
we cannot have been roaring
you cannot have been roaring
they cannot have been roaring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not roar?
can you not roar?
can he not roar?
can we not roar?
can you not roar?
can they not roar? 	can I not be roaring?
can you not be roaring?
can he not be roaring?
can we not be roaring?
can you not be roaring?
can they not be roaring? 	can I not have roared?
can you not have roared?
can he not have roared?
can we not have roared?
can you not have roared?
can they not have roared? 	can I not have been roaring?
can you not have been roaring?
can he not have been roaring?
can we not have been roaring?
can you not have been roaring?
can they not have been roaring?