Conjugación del verbo inglés
COULD RETROFIT

Verbo irregular: retrofit - retrofit - retrofit

Afirmación

Forma simple	Forma con V-ing
I could retrofit you could retrofit he could retrofit we could retrofit you could retrofit they could retrofit	I could be retrofiting you could be retrofiting he could be retrofiting we could be retrofiting you could be retrofiting they could be retrofiting
Perfecto	Perfecto con V-ing
I could have retrofit you could have retrofit he could have retrofit we could have retrofit you could have retrofit they could have retrofit	I could have been retrofiting you could have been retrofiting he could have been retrofiting we could have been retrofiting you could have been retrofiting they could have been retrofiting

Negación

Forma simple	Forma con V-ing
I could not retrofit you could not retrofit he could not retrofit we could not retrofit you could not retrofit they could not retrofit	I could not be retrofiting you could not be retrofiting he could not be retrofiting we could not be retrofiting you could not be retrofiting they could not be retrofiting
Perfecto	Perfecto con V-ing
I could not have retrofit you could not have retrofit he could not have retrofit we could not have retrofit you could not have retrofit they could not have retrofit	I could not have been retrofiting you could not have been retrofiting he could not have been retrofiting we could not have been retrofiting you could not have been retrofiting they could not have been retrofiting

Forma interrogativa

Forma simple	Forma con V-ing
could I retrofit? could you retrofit? could he retrofit? could we retrofit? could you retrofit? could they retrofit?	could I be retrofiting? could you be retrofiting? could he be retrofiting? could we be retrofiting? could you be retrofiting? could they be retrofiting?
Perfecto	Perfecto con V-ing
could I have retrofit? could you have retrofit? could he have retrofit? could we have retrofit? could you have retrofit? could they have retrofit?	could I have been retrofiting? could you have been retrofiting? could he have been retrofiting? could we have been retrofiting? could you have been retrofiting? could they have been retrofiting?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not retrofit? could you not retrofit? could he not retrofit? could we not retrofit? could you not retrofit? could they not retrofit?	could I not be retrofiting? could you not be retrofiting? could he not be retrofiting? could we not be retrofiting? could you not be retrofiting? could they not be retrofiting?
Perfecto	Perfecto con V-ing
could I not have retrofit? could you not have retrofit? could he not have retrofit? could we not have retrofit? could you not have retrofit? could they not have retrofit?	could I not have been retrofiting? could you not have been retrofiting? could he not have been retrofiting? could we not have been retrofiting? could you not have been retrofiting? could they not have been retrofiting?