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