Conjugación del verbo inglés
COULD OPPUGN

Verbo regular: oppugn - oppugned - oppugned

Afirmación

Forma simple	Forma con V-ing
I could oppugn you could oppugn he could oppugn we could oppugn you could oppugn they could oppugn	I could be oppugning you could be oppugning he could be oppugning we could be oppugning you could be oppugning they could be oppugning
Perfecto	Perfecto con V-ing
I could have oppugned you could have oppugned he could have oppugned we could have oppugned you could have oppugned they could have oppugned	I could have been oppugning you could have been oppugning he could have been oppugning we could have been oppugning you could have been oppugning they could have been oppugning

Negación

Forma simple	Forma con V-ing
I could not oppugn you could not oppugn he could not oppugn we could not oppugn you could not oppugn they could not oppugn	I could not be oppugning you could not be oppugning he could not be oppugning we could not be oppugning you could not be oppugning they could not be oppugning
Perfecto	Perfecto con V-ing
I could not have oppugned you could not have oppugned he could not have oppugned we could not have oppugned you could not have oppugned they could not have oppugned	I could not have been oppugning you could not have been oppugning he could not have been oppugning we could not have been oppugning you could not have been oppugning they could not have been oppugning

Forma interrogativa

Forma simple	Forma con V-ing
could I oppugn? could you oppugn? could he oppugn? could we oppugn? could you oppugn? could they oppugn?	could I be oppugning? could you be oppugning? could he be oppugning? could we be oppugning? could you be oppugning? could they be oppugning?
Perfecto	Perfecto con V-ing
could I have oppugned? could you have oppugned? could he have oppugned? could we have oppugned? could you have oppugned? could they have oppugned?	could I have been oppugning? could you have been oppugning? could he have been oppugning? could we have been oppugning? could you have been oppugning? could they have been oppugning?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not oppugn? could you not oppugn? could he not oppugn? could we not oppugn? could you not oppugn? could they not oppugn?	could I not be oppugning? could you not be oppugning? could he not be oppugning? could we not be oppugning? could you not be oppugning? could they not be oppugning?
Perfecto	Perfecto con V-ing
could I not have oppugned? could you not have oppugned? could he not have oppugned? could we not have oppugned? could you not have oppugned? could they not have oppugned?	could I not have been oppugning? could you not have been oppugning? could he not have been oppugning? could we not have been oppugning? could you not have been oppugning? could they not have been oppugning?