could symbol
Verbe régulier : symbol - symboled- symboled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could symbol
you could symbol
she could symbol
we could symbol
you could symbol
they could symbol 	I could be symboling
you could be symboling
she could be symboling
we could be symboling
you could be symboling
they could be symboling	I could have symboled
you could have symboled
she could have symboled
we could have symboled
you could have symboled
they could have symboled	I could have been symboling
you could have been symboling
she could have been symboling
we could have been symboling
you could have been symboling
they could have been symboling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't symbol
you couldn't symbol
she couldn't symbol
we couldn't symbol
you couldn't symbol
they couldn't symbol 	I couldn't be symboling
you couldn't be symboling
she couldn't be symboling
we couldn't be symboling
you couldn't be symboling
they couldn't be symboling	I couldn't have symboled
you couldn't have symboled
she couldn't have symboled
we couldn't have symboled
you couldn't have symboled
they couldn't have symboled	I couldn't have been symboling
you couldn't have been symboling
she couldn't have been symboling
we couldn't have been symboling
you couldn't have been symboling
they couldn't have been symboling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I symbol?
could you symbol?
could she symbol?
could we symbol?
could you symbol?
could they symbol? 	could I be symboling?
could you be symboling?
could she be symboling?
could we be symboling?
could you be symboling?
could they be symboling? 	could I have symboled?
could you have symboled?
could she have symboled?
could we have symboled?
could you have symboled?
could they have symboled? 	could I have been symboling?
could you have been symboling?
could she have been symboling?
could we have been symboling?
could you have been symboling?
could they have been symboling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I symbol?
couldn't you symbol?
couldn't she symbol?
couldn't we symbol?
couldn't you symbol?
couldn't they symbol? 	couldn't I be symboling?
couldn't you be symboling?
couldn't she be symboling?
couldn't we be symboling?
couldn't you be symboling?
couldn't they be symboling? 	couldn't I have symboled?
couldn't you have symboled?
couldn't she have symboled?
couldn't we have symboled?
couldn't you have symboled?
couldn't they have symboled? 	couldn't I have been symboling?
couldn't you have been symboling?
couldn't she have been symboling?
couldn't we have been symboling?
couldn't you have been symboling?
couldn't they have been symboling?