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 couldn't retrofit you couldn't retrofit he couldn't retrofit we couldn't retrofit you couldn't retrofit they couldn't retrofit	I couldn't be retrofiting you couldn't be retrofiting he couldn't be retrofiting we couldn't be retrofiting you couldn't be retrofiting they couldn't be retrofiting
Perfecto	Perfecto con V-ing
I couldn't have retrofit you couldn't have retrofit he couldn't have retrofit we couldn't have retrofit you couldn't have retrofit they couldn't have retrofit	I couldn't have been retrofiting you couldn't have been retrofiting he couldn't have been retrofiting we couldn't have been retrofiting you couldn't have been retrofiting they couldn't 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
couldn't I retrofit? couldn't you retrofit? couldn't he retrofit? couldn't we retrofit? couldn't you retrofit? couldn't they retrofit?	couldn't I be retrofiting? couldn't you be retrofiting? couldn't he be retrofiting? couldn't we be retrofiting? couldn't you be retrofiting? couldn't they be retrofiting?
Perfecto	Perfecto con V-ing
couldn't I have retrofit? couldn't you have retrofit? couldn't he have retrofit? couldn't we have retrofit? couldn't you have retrofit? couldn't they have retrofit?	couldn't I have been retrofiting? couldn't you have been retrofiting? couldn't he have been retrofiting? couldn't we have been retrofiting? couldn't you have been retrofiting? couldn't they have been retrofiting?