could clump
Verbe régulier : clump - clumped- clumped
Traduction française : marcher d'un pas lourd - grouper 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could clump
you could clump
he could clump
we could clump
you could clump
they could clump 	I could be clumping
you could be clumping
he could be clumping
we could be clumping
you could be clumping
they could be clumping	I could have clumped
you could have clumped
he could have clumped
we could have clumped
you could have clumped
they could have clumped	I could have been clumping
you could have been clumping
he could have been clumping
we could have been clumping
you could have been clumping
they could have been clumping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not clump
you could not clump
he could not clump
we could not clump
you could not clump
they could not clump 	I could not be clumping
you could not be clumping
he could not be clumping
we could not be clumping
you could not be clumping
they could not be clumping	I could not have clumped
you could not have clumped
he could not have clumped
we could not have clumped
you could not have clumped
they could not have clumped	I could not have been clumping
you could not have been clumping
he could not have been clumping
we could not have been clumping
you could not have been clumping
they could not have been clumping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I clump?
could you clump?
could he clump?
could we clump?
could you clump?
could they clump? 	could I be clumping?
could you be clumping?
could he be clumping?
could we be clumping?
could you be clumping?
could they be clumping? 	could I have clumped?
could you have clumped?
could he have clumped?
could we have clumped?
could you have clumped?
could they have clumped? 	could I have been clumping?
could you have been clumping?
could he have been clumping?
could we have been clumping?
could you have been clumping?
could they have been clumping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not clump?
could you not clump?
could he not clump?
could we not clump?
could you not clump?
could they not clump? 	could I not be clumping?
could you not be clumping?
could he not be clumping?
could we not be clumping?
could you not be clumping?
could they not be clumping? 	could I not have clumped?
could you not have clumped?
could he not have clumped?
could we not have clumped?
could you not have clumped?
could they not have clumped? 	could I not have been clumping?
could you not have been clumping?
could he not have been clumping?
could we not have been clumping?
could you not have been clumping?
could they not have been clumping?