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
she could pertain
we could pertain
you could pertain
they could pertain 	I could be pertaining
you could be pertaining
she could be pertaining
we could be pertaining
you could be pertaining
they could be pertaining	I could have pertained
you could have pertained
she 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
she 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
she 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
she 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
she 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
she 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 she pertain?
could we pertain?
could you pertain?
could they pertain? 	could I be pertaining?
could you be pertaining?
could she be pertaining?
could we be pertaining?
could you be pertaining?
could they be pertaining? 	could I have pertained?
could you have pertained?
could she 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 she 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 she 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 she 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 she 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 she have been pertaining?
couldn't we have been pertaining?
couldn't you have been pertaining?
couldn't they have been pertaining?