could pertain
Verbe régulier : pertain - pertained- pertained
Traduction française : s'appliquer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could pertain
you could pertain
he could pertain
we could pertain
you could pertain
they could pertain 	I could be pertaining
you could be pertaining
he could be pertaining
we could be pertaining
you could be pertaining
they could be pertaining	I could have pertained
you could have pertained
he could have pertained
we could have pertained
you could have pertained
they could have pertained	I could have been pertaining
you could have been pertaining
he could have been pertaining
we could have been pertaining
you could have been pertaining
they could have been pertaining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't pertain
you couldn't pertain
he couldn't pertain
we couldn't pertain
you couldn't pertain
they couldn't pertain 	I couldn't be pertaining
you couldn't be pertaining
he couldn't be pertaining
we couldn't be pertaining
you couldn't be pertaining
they couldn't be pertaining	I couldn't have pertained
you couldn't have pertained
he couldn't have pertained
we couldn't have pertained
you couldn't have pertained
they couldn't have pertained	I couldn't have been pertaining
you couldn't have been pertaining
he couldn't have been pertaining
we couldn't have been pertaining
you couldn't have been pertaining
they couldn't have been pertaining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I pertain?
could you pertain?
could he pertain?
could we pertain?
could you pertain?
could they pertain? 	could I be pertaining?
could you be pertaining?
could he be pertaining?
could we be pertaining?
could you be pertaining?
could they be pertaining? 	could I have pertained?
could you have pertained?
could he have pertained?
could we have pertained?
could you have pertained?
could they have pertained? 	could I have been pertaining?
could you have been pertaining?
could he have been pertaining?
could we have been pertaining?
could you have been pertaining?
could they have been pertaining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I pertain?
couldn't you pertain?
couldn't he pertain?
couldn't we pertain?
couldn't you pertain?
couldn't they pertain? 	couldn't I be pertaining?
couldn't you be pertaining?
couldn't he be pertaining?
couldn't we be pertaining?
couldn't you be pertaining?
couldn't they be pertaining? 	couldn't I have pertained?
couldn't you have pertained?
couldn't he have pertained?
couldn't we have pertained?
couldn't you have pertained?
couldn't they have pertained? 	couldn't I have been pertaining?
couldn't you have been pertaining?
couldn't he have been pertaining?
couldn't we have been pertaining?
couldn't you have been pertaining?
couldn't they have been pertaining?