Conjugación del verbo inglés
COULD PRESTRESS

Verbo regular: prestress - prestressed - prestressed

Afirmación

Forma simple	Forma con V-ing
I could prestress you could prestress he could prestress we could prestress you could prestress they could prestress	I could be prestressing you could be prestressing he could be prestressing we could be prestressing you could be prestressing they could be prestressing
Perfecto	Perfecto con V-ing
I could have prestressed you could have prestressed he could have prestressed we could have prestressed you could have prestressed they could have prestressed	I could have been prestressing you could have been prestressing he could have been prestressing we could have been prestressing you could have been prestressing they could have been prestressing

Negación

Forma simple	Forma con V-ing
I could not prestress you could not prestress he could not prestress we could not prestress you could not prestress they could not prestress	I could not be prestressing you could not be prestressing he could not be prestressing we could not be prestressing you could not be prestressing they could not be prestressing
Perfecto	Perfecto con V-ing
I could not have prestressed you could not have prestressed he could not have prestressed we could not have prestressed you could not have prestressed they could not have prestressed	I could not have been prestressing you could not have been prestressing he could not have been prestressing we could not have been prestressing you could not have been prestressing they could not have been prestressing

Forma interrogativa

Forma simple	Forma con V-ing
could I prestress? could you prestress? could he prestress? could we prestress? could you prestress? could they prestress?	could I be prestressing? could you be prestressing? could he be prestressing? could we be prestressing? could you be prestressing? could they be prestressing?
Perfecto	Perfecto con V-ing
could I have prestressed? could you have prestressed? could he have prestressed? could we have prestressed? could you have prestressed? could they have prestressed?	could I have been prestressing? could you have been prestressing? could he have been prestressing? could we have been prestressing? could you have been prestressing? could they have been prestressing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not prestress? could you not prestress? could he not prestress? could we not prestress? could you not prestress? could they not prestress?	could I not be prestressing? could you not be prestressing? could he not be prestressing? could we not be prestressing? could you not be prestressing? could they not be prestressing?
Perfecto	Perfecto con V-ing
could I not have prestressed? could you not have prestressed? could he not have prestressed? could we not have prestressed? could you not have prestressed? could they not have prestressed?	could I not have been prestressing? could you not have been prestressing? could he not have been prestressing? could we not have been prestressing? could you not have been prestressing? could they not have been prestressing?