could prescore
Verbe régulier : prescore - prescored- prescored

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could prescore
you could prescore
he could prescore
we could prescore
you could prescore
they could prescore 	I could be prescoring
you could be prescoring
he could be prescoring
we could be prescoring
you could be prescoring
they could be prescoring	I could have prescored
you could have prescored
he could have prescored
we could have prescored
you could have prescored
they could have prescored	I could have been prescoring
you could have been prescoring
he could have been prescoring
we could have been prescoring
you could have been prescoring
they could have been prescoring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't prescore
you couldn't prescore
he couldn't prescore
we couldn't prescore
you couldn't prescore
they couldn't prescore 	I couldn't be prescoring
you couldn't be prescoring
he couldn't be prescoring
we couldn't be prescoring
you couldn't be prescoring
they couldn't be prescoring	I couldn't have prescored
you couldn't have prescored
he couldn't have prescored
we couldn't have prescored
you couldn't have prescored
they couldn't have prescored	I couldn't have been prescoring
you couldn't have been prescoring
he couldn't have been prescoring
we couldn't have been prescoring
you couldn't have been prescoring
they couldn't have been prescoring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I prescore?
could you prescore?
could he prescore?
could we prescore?
could you prescore?
could they prescore? 	could I be prescoring?
could you be prescoring?
could he be prescoring?
could we be prescoring?
could you be prescoring?
could they be prescoring? 	could I have prescored?
could you have prescored?
could he have prescored?
could we have prescored?
could you have prescored?
could they have prescored? 	could I have been prescoring?
could you have been prescoring?
could he have been prescoring?
could we have been prescoring?
could you have been prescoring?
could they have been prescoring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I prescore?
couldn't you prescore?
couldn't he prescore?
couldn't we prescore?
couldn't you prescore?
couldn't they prescore? 	couldn't I be prescoring?
couldn't you be prescoring?
couldn't he be prescoring?
couldn't we be prescoring?
couldn't you be prescoring?
couldn't they be prescoring? 	couldn't I have prescored?
couldn't you have prescored?
couldn't he have prescored?
couldn't we have prescored?
couldn't you have prescored?
couldn't they have prescored? 	couldn't I have been prescoring?
couldn't you have been prescoring?
couldn't he have been prescoring?
couldn't we have been prescoring?
couldn't you have been prescoring?
couldn't they have been prescoring?