Conjugación del verbo inglés
COULD RETARD

Verbo regular: retard - retarded - retarded

Afirmación

Forma simple	Forma con V-ing
I could retard you could retard he could retard we could retard you could retard they could retard	I could be retarding you could be retarding he could be retarding we could be retarding you could be retarding they could be retarding
Perfecto	Perfecto con V-ing
I could have retarded you could have retarded he could have retarded we could have retarded you could have retarded they could have retarded	I could have been retarding you could have been retarding he could have been retarding we could have been retarding you could have been retarding they could have been retarding

Negación

Forma simple	Forma con V-ing
I could not retard you could not retard he could not retard we could not retard you could not retard they could not retard	I could not be retarding you could not be retarding he could not be retarding we could not be retarding you could not be retarding they could not be retarding
Perfecto	Perfecto con V-ing
I could not have retarded you could not have retarded he could not have retarded we could not have retarded you could not have retarded they could not have retarded	I could not have been retarding you could not have been retarding he could not have been retarding we could not have been retarding you could not have been retarding they could not have been retarding

Forma interrogativa

Forma simple	Forma con V-ing
could I retard? could you retard? could he retard? could we retard? could you retard? could they retard?	could I be retarding? could you be retarding? could he be retarding? could we be retarding? could you be retarding? could they be retarding?
Perfecto	Perfecto con V-ing
could I have retarded? could you have retarded? could he have retarded? could we have retarded? could you have retarded? could they have retarded?	could I have been retarding? could you have been retarding? could he have been retarding? could we have been retarding? could you have been retarding? could they have been retarding?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not retard? could you not retard? could he not retard? could we not retard? could you not retard? could they not retard?	could I not be retarding? could you not be retarding? could he not be retarding? could we not be retarding? could you not be retarding? could they not be retarding?
Perfecto	Perfecto con V-ing
could I not have retarded? could you not have retarded? could he not have retarded? could we not have retarded? could you not have retarded? could they not have retarded?	could I not have been retarding? could you not have been retarding? could he not have been retarding? could we not have been retarding? could you not have been retarding? could they not have been retarding?