Conjugación del verbo inglés
COULD REPLACE

Verbo regular: replace - replaced - replaced

Afirmación

Forma simple	Forma con V-ing
I could replace you could replace he could replace we could replace you could replace they could replace	I could be replacing you could be replacing he could be replacing we could be replacing you could be replacing they could be replacing
Perfecto	Perfecto con V-ing
I could have replaced you could have replaced he could have replaced we could have replaced you could have replaced they could have replaced	I could have been replacing you could have been replacing he could have been replacing we could have been replacing you could have been replacing they could have been replacing

Negación

Forma simple	Forma con V-ing
I couldn't replace you couldn't replace he couldn't replace we couldn't replace you couldn't replace they couldn't replace	I couldn't be replacing you couldn't be replacing he couldn't be replacing we couldn't be replacing you couldn't be replacing they couldn't be replacing
Perfecto	Perfecto con V-ing
I couldn't have replaced you couldn't have replaced he couldn't have replaced we couldn't have replaced you couldn't have replaced they couldn't have replaced	I couldn't have been replacing you couldn't have been replacing he couldn't have been replacing we couldn't have been replacing you couldn't have been replacing they couldn't have been replacing

Forma interrogativa

Forma simple	Forma con V-ing
could I replace? could you replace? could he replace? could we replace? could you replace? could they replace?	could I be replacing? could you be replacing? could he be replacing? could we be replacing? could you be replacing? could they be replacing?
Perfecto	Perfecto con V-ing
could I have replaced? could you have replaced? could he have replaced? could we have replaced? could you have replaced? could they have replaced?	could I have been replacing? could you have been replacing? could he have been replacing? could we have been replacing? could you have been replacing? could they have been replacing?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I replace? couldn't you replace? couldn't he replace? couldn't we replace? couldn't you replace? couldn't they replace?	couldn't I be replacing? couldn't you be replacing? couldn't he be replacing? couldn't we be replacing? couldn't you be replacing? couldn't they be replacing?
Perfecto	Perfecto con V-ing
couldn't I have replaced? couldn't you have replaced? couldn't he have replaced? couldn't we have replaced? couldn't you have replaced? couldn't they have replaced?	couldn't I have been replacing? couldn't you have been replacing? couldn't he have been replacing? couldn't we have been replacing? couldn't you have been replacing? couldn't they have been replacing?