Conjugação do verbo inglês
COULD COUNTERFEIT

Verbo regular: counterfeit - counterfeited - counterfeited

Afirmação

Forma simple	Forma com V-ing
I could counterfeit you could counterfeit he could counterfeit we could counterfeit you could counterfeit they could counterfeit	I could be counterfeiting you could be counterfeiting he could be counterfeiting we could be counterfeiting you could be counterfeiting they could be counterfeiting
Perfeito	Perfeito com V-ing
I could have counterfeited you could have counterfeited he could have counterfeited we could have counterfeited you could have counterfeited they could have counterfeited	I could have been counterfeiting you could have been counterfeiting he could have been counterfeiting we could have been counterfeiting you could have been counterfeiting they could have been counterfeiting

Negação

Forma simple	Forma com V-ing
I could not counterfeit you could not counterfeit he could not counterfeit we could not counterfeit you could not counterfeit they could not counterfeit	I could not be counterfeiting you could not be counterfeiting he could not be counterfeiting we could not be counterfeiting you could not be counterfeiting they could not be counterfeiting
Perfeito	Perfeito com V-ing
I could not have counterfeited you could not have counterfeited he could not have counterfeited we could not have counterfeited you could not have counterfeited they could not have counterfeited	I could not have been counterfeiting you could not have been counterfeiting he could not have been counterfeiting we could not have been counterfeiting you could not have been counterfeiting they could not have been counterfeiting

Forma interrogativa

Forma simple	Forma com V-ing
could I counterfeit? could you counterfeit? could he counterfeit? could we counterfeit? could you counterfeit? could they counterfeit?	could I be counterfeiting? could you be counterfeiting? could he be counterfeiting? could we be counterfeiting? could you be counterfeiting? could they be counterfeiting?
Perfeito	Perfeito com V-ing
could I have counterfeited? could you have counterfeited? could he have counterfeited? could we have counterfeited? could you have counterfeited? could they have counterfeited?	could I have been counterfeiting? could you have been counterfeiting? could he have been counterfeiting? could we have been counterfeiting? could you have been counterfeiting? could they have been counterfeiting?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not counterfeit? could you not counterfeit? could he not counterfeit? could we not counterfeit? could you not counterfeit? could they not counterfeit?	could I not be counterfeiting? could you not be counterfeiting? could he not be counterfeiting? could we not be counterfeiting? could you not be counterfeiting? could they not be counterfeiting?
Perfeito	Perfeito com V-ing
could I not have counterfeited? could you not have counterfeited? could he not have counterfeited? could we not have counterfeited? could you not have counterfeited? could they not have counterfeited?	could I not have been counterfeiting? could you not have been counterfeiting? could he not have been counterfeiting? could we not have been counterfeiting? could you not have been counterfeiting? could they not have been counterfeiting?