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 couldn't clump
you couldn't clump
he couldn't clump
we couldn't clump
you couldn't clump
they couldn't clump 	I couldn't be clumping
you couldn't be clumping
he couldn't be clumping
we couldn't be clumping
you couldn't be clumping
they couldn't be clumping	I couldn't have clumped
you couldn't have clumped
he couldn't have clumped
we couldn't have clumped
you couldn't have clumped
they couldn't have clumped	I couldn't have been clumping
you couldn't have been clumping
he couldn't have been clumping
we couldn't have been clumping
you couldn't have been clumping
they couldn't 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 	
couldn't I clump?
couldn't you clump?
couldn't he clump?
couldn't we clump?
couldn't you clump?
couldn't they clump? 	couldn't I be clumping?
couldn't you be clumping?
couldn't he be clumping?
couldn't we be clumping?
couldn't you be clumping?
couldn't they be clumping? 	couldn't I have clumped?
couldn't you have clumped?
couldn't he have clumped?
couldn't we have clumped?
couldn't you have clumped?
couldn't they have clumped? 	couldn't I have been clumping?
couldn't you have been clumping?
couldn't he have been clumping?
couldn't we have been clumping?
couldn't you have been clumping?
couldn't they have been clumping?