Conjugación del verbo inglés COULD SUBSTANTIATE
Verbo regular: substantiate - substantiated - substantiated
Afirmación
Forma simple
I could substantiateyou could substantiate
he could substantiate
we could substantiate
you could substantiate
they could substantiate
Forma con V-ing
I could be substantiatingyou could be substantiating
he could be substantiating
we could be substantiating
you could be substantiating
they could be substantiating
Perfecto
I could have substantiatedyou could have substantiated
he could have substantiated
we could have substantiated
you could have substantiated
they could have substantiated
Perfecto con V-ing
I could have been substantiatingyou could have been substantiating
he could have been substantiating
we could have been substantiating
you could have been substantiating
they could have been substantiating
Negación
Forma simple
I couldn't substantiateyou couldn't substantiate
he couldn't substantiate
we couldn't substantiate
you couldn't substantiate
they couldn't substantiate
Forma con V-ing
I couldn't be substantiatingyou couldn't be substantiating
he couldn't be substantiating
we couldn't be substantiating
you couldn't be substantiating
they couldn't be substantiating
Perfecto
I couldn't have substantiatedyou couldn't have substantiated
he couldn't have substantiated
we couldn't have substantiated
you couldn't have substantiated
they couldn't have substantiated
Perfecto con V-ing
I couldn't have been substantiatingyou couldn't have been substantiating
he couldn't have been substantiating
we couldn't have been substantiating
you couldn't have been substantiating
they couldn't have been substantiating
Forma interrogativa
Forma simple
could I substantiate?could you substantiate?
could he substantiate?
could we substantiate?
could you substantiate?
could they substantiate?
Forma con V-ing
could I be substantiating?could you be substantiating?
could he be substantiating?
could we be substantiating?
could you be substantiating?
could they be substantiating?
Perfecto
could I have substantiated?could you have substantiated?
could he have substantiated?
could we have substantiated?
could you have substantiated?
could they have substantiated?
Perfecto con V-ing
could I have been substantiating?could you have been substantiating?
could he have been substantiating?
could we have been substantiating?
could you have been substantiating?
could they have been substantiating?
Forma interro-negativa
Forma simple
couldn't I substantiate?couldn't you substantiate?
couldn't he substantiate?
couldn't we substantiate?
couldn't you substantiate?
couldn't they substantiate?
Forma con V-ing
couldn't I be substantiating?couldn't you be substantiating?
couldn't he be substantiating?
couldn't we be substantiating?
couldn't you be substantiating?
couldn't they be substantiating?
Perfecto
couldn't I have substantiated?couldn't you have substantiated?
couldn't he have substantiated?
couldn't we have substantiated?
couldn't you have substantiated?
couldn't they have substantiated?
Perfecto con V-ing
couldn't I have been substantiating?couldn't you have been substantiating?
couldn't he have been substantiating?
couldn't we have been substantiating?
couldn't you have been substantiating?
couldn't they have been substantiating?