could bolster
Verbe régulier : bolster - bolstered- bolstered
Traduction française : soutenir - rembourrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could bolster
you could bolster
she could bolster
we could bolster
you could bolster
they could bolster 	I could be bolstering
you could be bolstering
she could be bolstering
we could be bolstering
you could be bolstering
they could be bolstering	I could have bolstered
you could have bolstered
she could have bolstered
we could have bolstered
you could have bolstered
they could have bolstered	I could have been bolstering
you could have been bolstering
she could have been bolstering
we could have been bolstering
you could have been bolstering
they could have been bolstering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not bolster
you could not bolster
she could not bolster
we could not bolster
you could not bolster
they could not bolster 	I could not be bolstering
you could not be bolstering
she could not be bolstering
we could not be bolstering
you could not be bolstering
they could not be bolstering	I could not have bolstered
you could not have bolstered
she could not have bolstered
we could not have bolstered
you could not have bolstered
they could not have bolstered	I could not have been bolstering
you could not have been bolstering
she could not have been bolstering
we could not have been bolstering
you could not have been bolstering
they could not have been bolstering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I bolster?
could you bolster?
could she bolster?
could we bolster?
could you bolster?
could they bolster? 	could I be bolstering?
could you be bolstering?
could she be bolstering?
could we be bolstering?
could you be bolstering?
could they be bolstering? 	could I have bolstered?
could you have bolstered?
could she have bolstered?
could we have bolstered?
could you have bolstered?
could they have bolstered? 	could I have been bolstering?
could you have been bolstering?
could she have been bolstering?
could we have been bolstering?
could you have been bolstering?
could they have been bolstering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not bolster?
could you not bolster?
could she not bolster?
could we not bolster?
could you not bolster?
could they not bolster? 	could I not be bolstering?
could you not be bolstering?
could she not be bolstering?
could we not be bolstering?
could you not be bolstering?
could they not be bolstering? 	could I not have bolstered?
could you not have bolstered?
could she not have bolstered?
could we not have bolstered?
could you not have bolstered?
could they not have bolstered? 	could I not have been bolstering?
could you not have been bolstering?
could she not have been bolstering?
could we not have been bolstering?
could you not have been bolstering?
could they not have been bolstering?