could commencer
Verbo regular: commencer - commencered- commencered

ón, este verbo puede no existir, se da como ejemplo la conjugación.

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could commencer
you could commencer
he could commencer
we could commencer
you could commencer
they could commencer 	I could be commencering
you could be commencering
he could be commencering
we could be commencering
you could be commencering
they could be commencering	I could have commencered
you could have commencered
he could have commencered
we could have commencered
you could have commencered
they could have commencered	I could have been commencering
you could have been commencering
he could have been commencering
we could have been commencering
you could have been commencering
they could have been commencering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't commencer
you couldn't commencer
he couldn't commencer
we couldn't commencer
you couldn't commencer
they couldn't commencer 	I couldn't be commencering
you couldn't be commencering
he couldn't be commencering
we couldn't be commencering
you couldn't be commencering
they couldn't be commencering	I couldn't have commencered
you couldn't have commencered
he couldn't have commencered
we couldn't have commencered
you couldn't have commencered
they couldn't have commencered	I couldn't have been commencering
you couldn't have been commencering
he couldn't have been commencering
we couldn't have been commencering
you couldn't have been commencering
they couldn't have been commencering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I commencer?
could you commencer?
could he commencer?
could we commencer?
could you commencer?
could they commencer? 	could I be commencering?
could you be commencering?
could he be commencering?
could we be commencering?
could you be commencering?
could they be commencering? 	could I have commencered?
could you have commencered?
could he have commencered?
could we have commencered?
could you have commencered?
could they have commencered? 	could I have been commencering?
could you have been commencering?
could he have been commencering?
could we have been commencering?
could you have been commencering?
could they have been commencering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I commencer?
couldn't you commencer?
couldn't he commencer?
couldn't we commencer?
couldn't you commencer?
couldn't they commencer? 	couldn't I be commencering?
couldn't you be commencering?
couldn't he be commencering?
couldn't we be commencering?
couldn't you be commencering?
couldn't they be commencering? 	couldn't I have commencered?
couldn't you have commencered?
couldn't he have commencered?
couldn't we have commencered?
couldn't you have commencered?
couldn't they have commencered? 	couldn't I have been commencering?
couldn't you have been commencering?
couldn't he have been commencering?
couldn't we have been commencering?
couldn't you have been commencering?
couldn't they have been commencering?