could march
Verbe régulier : march - marched- marched
Traduction française : marcher (au pas) - faire marcher au pas 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could march
you could march
he could march
we could march
you could march
they could march 	I could be marching
you could be marching
he could be marching
we could be marching
you could be marching
they could be marching	I could have marched
you could have marched
he could have marched
we could have marched
you could have marched
they could have marched	I could have been marching
you could have been marching
he could have been marching
we could have been marching
you could have been marching
they could have been marching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't march
you couldn't march
he couldn't march
we couldn't march
you couldn't march
they couldn't march 	I couldn't be marching
you couldn't be marching
he couldn't be marching
we couldn't be marching
you couldn't be marching
they couldn't be marching	I couldn't have marched
you couldn't have marched
he couldn't have marched
we couldn't have marched
you couldn't have marched
they couldn't have marched	I couldn't have been marching
you couldn't have been marching
he couldn't have been marching
we couldn't have been marching
you couldn't have been marching
they couldn't have been marching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I march?
could you march?
could he march?
could we march?
could you march?
could they march? 	could I be marching?
could you be marching?
could he be marching?
could we be marching?
could you be marching?
could they be marching? 	could I have marched?
could you have marched?
could he have marched?
could we have marched?
could you have marched?
could they have marched? 	could I have been marching?
could you have been marching?
could he have been marching?
could we have been marching?
could you have been marching?
could they have been marching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I march?
couldn't you march?
couldn't he march?
couldn't we march?
couldn't you march?
couldn't they march? 	couldn't I be marching?
couldn't you be marching?
couldn't he be marching?
couldn't we be marching?
couldn't you be marching?
couldn't they be marching? 	couldn't I have marched?
couldn't you have marched?
couldn't he have marched?
couldn't we have marched?
couldn't you have marched?
couldn't they have marched? 	couldn't I have been marching?
couldn't you have been marching?
couldn't he have been marching?
couldn't we have been marching?
couldn't you have been marching?
couldn't they have been marching?