could superscribe
Verbe régulier : superscribe - superscribed- superscribed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could superscribe
you could superscribe
she could superscribe
we could superscribe
you could superscribe
they could superscribe 	I could be superscribing
you could be superscribing
she could be superscribing
we could be superscribing
you could be superscribing
they could be superscribing	I could have superscribed
you could have superscribed
she could have superscribed
we could have superscribed
you could have superscribed
they could have superscribed	I could have been superscribing
you could have been superscribing
she could have been superscribing
we could have been superscribing
you could have been superscribing
they could have been superscribing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't superscribe
you couldn't superscribe
she couldn't superscribe
we couldn't superscribe
you couldn't superscribe
they couldn't superscribe 	I couldn't be superscribing
you couldn't be superscribing
she couldn't be superscribing
we couldn't be superscribing
you couldn't be superscribing
they couldn't be superscribing	I couldn't have superscribed
you couldn't have superscribed
she couldn't have superscribed
we couldn't have superscribed
you couldn't have superscribed
they couldn't have superscribed	I couldn't have been superscribing
you couldn't have been superscribing
she couldn't have been superscribing
we couldn't have been superscribing
you couldn't have been superscribing
they couldn't have been superscribing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I superscribe?
could you superscribe?
could she superscribe?
could we superscribe?
could you superscribe?
could they superscribe? 	could I be superscribing?
could you be superscribing?
could she be superscribing?
could we be superscribing?
could you be superscribing?
could they be superscribing? 	could I have superscribed?
could you have superscribed?
could she have superscribed?
could we have superscribed?
could you have superscribed?
could they have superscribed? 	could I have been superscribing?
could you have been superscribing?
could she have been superscribing?
could we have been superscribing?
could you have been superscribing?
could they have been superscribing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I superscribe?
couldn't you superscribe?
couldn't she superscribe?
couldn't we superscribe?
couldn't you superscribe?
couldn't they superscribe? 	couldn't I be superscribing?
couldn't you be superscribing?
couldn't she be superscribing?
couldn't we be superscribing?
couldn't you be superscribing?
couldn't they be superscribing? 	couldn't I have superscribed?
couldn't you have superscribed?
couldn't she have superscribed?
couldn't we have superscribed?
couldn't you have superscribed?
couldn't they have superscribed? 	couldn't I have been superscribing?
couldn't you have been superscribing?
couldn't she have been superscribing?
couldn't we have been superscribing?
couldn't you have been superscribing?
couldn't they have been superscribing?