could muff
Verbe régulier : muff - muffed- muffed
Traduction française : rater - manquer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could muff
you could muff
he could muff
we could muff
you could muff
they could muff 	I could be muffing
you could be muffing
he could be muffing
we could be muffing
you could be muffing
they could be muffing	I could have muffed
you could have muffed
he could have muffed
we could have muffed
you could have muffed
they could have muffed	I could have been muffing
you could have been muffing
he could have been muffing
we could have been muffing
you could have been muffing
they could have been muffing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not muff
you could not muff
he could not muff
we could not muff
you could not muff
they could not muff 	I could not be muffing
you could not be muffing
he could not be muffing
we could not be muffing
you could not be muffing
they could not be muffing	I could not have muffed
you could not have muffed
he could not have muffed
we could not have muffed
you could not have muffed
they could not have muffed	I could not have been muffing
you could not have been muffing
he could not have been muffing
we could not have been muffing
you could not have been muffing
they could not have been muffing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I muff?
could you muff?
could he muff?
could we muff?
could you muff?
could they muff? 	could I be muffing?
could you be muffing?
could he be muffing?
could we be muffing?
could you be muffing?
could they be muffing? 	could I have muffed?
could you have muffed?
could he have muffed?
could we have muffed?
could you have muffed?
could they have muffed? 	could I have been muffing?
could you have been muffing?
could he have been muffing?
could we have been muffing?
could you have been muffing?
could they have been muffing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not muff?
could you not muff?
could he not muff?
could we not muff?
could you not muff?
could they not muff? 	could I not be muffing?
could you not be muffing?
could he not be muffing?
could we not be muffing?
could you not be muffing?
could they not be muffing? 	could I not have muffed?
could you not have muffed?
could he not have muffed?
could we not have muffed?
could you not have muffed?
could they not have muffed? 	could I not have been muffing?
could you not have been muffing?
could he not have been muffing?
could we not have been muffing?
could you not have been muffing?
could they not have been muffing?