Conjugación del verbo inglés
COULD SHORTEN

Verbo regular: shorten - shortened - shortened

Afirmación

Forma simple	Forma con V-ing
I could shorten you could shorten he could shorten we could shorten you could shorten they could shorten	I could be shortening you could be shortening he could be shortening we could be shortening you could be shortening they could be shortening
Perfecto	Perfecto con V-ing
I could have shortened you could have shortened he could have shortened we could have shortened you could have shortened they could have shortened	I could have been shortening you could have been shortening he could have been shortening we could have been shortening you could have been shortening they could have been shortening

Negación

Forma simple	Forma con V-ing
I could not shorten you could not shorten he could not shorten we could not shorten you could not shorten they could not shorten	I could not be shortening you could not be shortening he could not be shortening we could not be shortening you could not be shortening they could not be shortening
Perfecto	Perfecto con V-ing
I could not have shortened you could not have shortened he could not have shortened we could not have shortened you could not have shortened they could not have shortened	I could not have been shortening you could not have been shortening he could not have been shortening we could not have been shortening you could not have been shortening they could not have been shortening

Forma interrogativa

Forma simple	Forma con V-ing
could I shorten? could you shorten? could he shorten? could we shorten? could you shorten? could they shorten?	could I be shortening? could you be shortening? could he be shortening? could we be shortening? could you be shortening? could they be shortening?
Perfecto	Perfecto con V-ing
could I have shortened? could you have shortened? could he have shortened? could we have shortened? could you have shortened? could they have shortened?	could I have been shortening? could you have been shortening? could he have been shortening? could we have been shortening? could you have been shortening? could they have been shortening?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not shorten? could you not shorten? could he not shorten? could we not shorten? could you not shorten? could they not shorten?	could I not be shortening? could you not be shortening? could he not be shortening? could we not be shortening? could you not be shortening? could they not be shortening?
Perfecto	Perfecto con V-ing
could I not have shortened? could you not have shortened? could he not have shortened? could we not have shortened? could you not have shortened? could they not have shortened?	could I not have been shortening? could you not have been shortening? could he not have been shortening? could we not have been shortening? could you not have been shortening? could they not have been shortening?