could scumble
Verbe régulier : scumble - scumbled- scumbled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could scumble
you could scumble
he could scumble
we could scumble
you could scumble
they could scumble 	I could be scumbling
you could be scumbling
he could be scumbling
we could be scumbling
you could be scumbling
they could be scumbling	I could have scumbled
you could have scumbled
he could have scumbled
we could have scumbled
you could have scumbled
they could have scumbled	I could have been scumbling
you could have been scumbling
he could have been scumbling
we could have been scumbling
you could have been scumbling
they could have been scumbling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not scumble
you could not scumble
he could not scumble
we could not scumble
you could not scumble
they could not scumble 	I could not be scumbling
you could not be scumbling
he could not be scumbling
we could not be scumbling
you could not be scumbling
they could not be scumbling	I could not have scumbled
you could not have scumbled
he could not have scumbled
we could not have scumbled
you could not have scumbled
they could not have scumbled	I could not have been scumbling
you could not have been scumbling
he could not have been scumbling
we could not have been scumbling
you could not have been scumbling
they could not have been scumbling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I scumble?
could you scumble?
could he scumble?
could we scumble?
could you scumble?
could they scumble? 	could I be scumbling?
could you be scumbling?
could he be scumbling?
could we be scumbling?
could you be scumbling?
could they be scumbling? 	could I have scumbled?
could you have scumbled?
could he have scumbled?
could we have scumbled?
could you have scumbled?
could they have scumbled? 	could I have been scumbling?
could you have been scumbling?
could he have been scumbling?
could we have been scumbling?
could you have been scumbling?
could they have been scumbling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not scumble?
could you not scumble?
could he not scumble?
could we not scumble?
could you not scumble?
could they not scumble? 	could I not be scumbling?
could you not be scumbling?
could he not be scumbling?
could we not be scumbling?
could you not be scumbling?
could they not be scumbling? 	could I not have scumbled?
could you not have scumbled?
could he not have scumbled?
could we not have scumbled?
could you not have scumbled?
could they not have scumbled? 	could I not have been scumbling?
could you not have been scumbling?
could he not have been scumbling?
could we not have been scumbling?
could you not have been scumbling?
could they not have been scumbling?