could roar
Verbe régulier : roar - roared- roared

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could roar
you could roar
he could roar
we could roar
you could roar
they could roar 	I could be roaring
you could be roaring
he could be roaring
we could be roaring
you could be roaring
they could be roaring	I could have roared
you could have roared
he could have roared
we could have roared
you could have roared
they could have roared	I could have been roaring
you could have been roaring
he could have been roaring
we could have been roaring
you could have been roaring
they could have been roaring	

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

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I roar?
could you roar?
could he roar?
could we roar?
could you roar?
could they roar? 	could I be roaring?
could you be roaring?
could he be roaring?
could we be roaring?
could you be roaring?
could they be roaring? 	could I have roared?
could you have roared?
could he have roared?
could we have roared?
could you have roared?
could they have roared? 	could I have been roaring?
could you have been roaring?
could he have been roaring?
could we have been roaring?
could you have been roaring?
could they have been roaring? 	

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