Conjugación del verbo inglés
COULD CIRCUMSTANTIATE

Verbo regular: circumstantiate - circumstantiated - circumstantiated

Afirmación

Forma simple	Forma con V-ing
I could circumstantiate you could circumstantiate she could circumstantiate we could circumstantiate you could circumstantiate they could circumstantiate	I could be circumstantiating you could be circumstantiating she could be circumstantiating we could be circumstantiating you could be circumstantiating they could be circumstantiating
Perfecto	Perfecto con V-ing
I could have circumstantiated you could have circumstantiated she could have circumstantiated we could have circumstantiated you could have circumstantiated they could have circumstantiated	I could have been circumstantiating you could have been circumstantiating she could have been circumstantiating we could have been circumstantiating you could have been circumstantiating they could have been circumstantiating

Negación

Forma simple	Forma con V-ing
I could not circumstantiate you could not circumstantiate she could not circumstantiate we could not circumstantiate you could not circumstantiate they could not circumstantiate	I could not be circumstantiating you could not be circumstantiating she could not be circumstantiating we could not be circumstantiating you could not be circumstantiating they could not be circumstantiating
Perfecto	Perfecto con V-ing
I could not have circumstantiated you could not have circumstantiated she could not have circumstantiated we could not have circumstantiated you could not have circumstantiated they could not have circumstantiated	I could not have been circumstantiating you could not have been circumstantiating she could not have been circumstantiating we could not have been circumstantiating you could not have been circumstantiating they could not have been circumstantiating

Forma interrogativa

Forma simple	Forma con V-ing
could I circumstantiate? could you circumstantiate? could she circumstantiate? could we circumstantiate? could you circumstantiate? could they circumstantiate?	could I be circumstantiating? could you be circumstantiating? could she be circumstantiating? could we be circumstantiating? could you be circumstantiating? could they be circumstantiating?
Perfecto	Perfecto con V-ing
could I have circumstantiated? could you have circumstantiated? could she have circumstantiated? could we have circumstantiated? could you have circumstantiated? could they have circumstantiated?	could I have been circumstantiating? could you have been circumstantiating? could she have been circumstantiating? could we have been circumstantiating? could you have been circumstantiating? could they have been circumstantiating?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not circumstantiate? could you not circumstantiate? could she not circumstantiate? could we not circumstantiate? could you not circumstantiate? could they not circumstantiate?	could I not be circumstantiating? could you not be circumstantiating? could she not be circumstantiating? could we not be circumstantiating? could you not be circumstantiating? could they not be circumstantiating?
Perfecto	Perfecto con V-ing
could I not have circumstantiated? could you not have circumstantiated? could she not have circumstantiated? could we not have circumstantiated? could you not have circumstantiated? could they not have circumstantiated?	could I not have been circumstantiating? could you not have been circumstantiating? could she not have been circumstantiating? could we not have been circumstantiating? could you not have been circumstantiating? could they not have been circumstantiating?