Conjugación del verbo inglés
COULD TARIFF

Verbo regular: tariff - tariffed - tariffed

Afirmación

Forma simple	Forma con V-ing
I could tariff you could tariff he could tariff we could tariff you could tariff they could tariff	I could be tariffing you could be tariffing he could be tariffing we could be tariffing you could be tariffing they could be tariffing
Perfecto	Perfecto con V-ing
I could have tariffed you could have tariffed he could have tariffed we could have tariffed you could have tariffed they could have tariffed	I could have been tariffing you could have been tariffing he could have been tariffing we could have been tariffing you could have been tariffing they could have been tariffing

Negación

Forma simple	Forma con V-ing
I could not tariff you could not tariff he could not tariff we could not tariff you could not tariff they could not tariff	I could not be tariffing you could not be tariffing he could not be tariffing we could not be tariffing you could not be tariffing they could not be tariffing
Perfecto	Perfecto con V-ing
I could not have tariffed you could not have tariffed he could not have tariffed we could not have tariffed you could not have tariffed they could not have tariffed	I could not have been tariffing you could not have been tariffing he could not have been tariffing we could not have been tariffing you could not have been tariffing they could not have been tariffing

Forma interrogativa

Forma simple	Forma con V-ing
could I tariff? could you tariff? could he tariff? could we tariff? could you tariff? could they tariff?	could I be tariffing? could you be tariffing? could he be tariffing? could we be tariffing? could you be tariffing? could they be tariffing?
Perfecto	Perfecto con V-ing
could I have tariffed? could you have tariffed? could he have tariffed? could we have tariffed? could you have tariffed? could they have tariffed?	could I have been tariffing? could you have been tariffing? could he have been tariffing? could we have been tariffing? could you have been tariffing? could they have been tariffing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not tariff? could you not tariff? could he not tariff? could we not tariff? could you not tariff? could they not tariff?	could I not be tariffing? could you not be tariffing? could he not be tariffing? could we not be tariffing? could you not be tariffing? could they not be tariffing?
Perfecto	Perfecto con V-ing
could I not have tariffed? could you not have tariffed? could he not have tariffed? could we not have tariffed? could you not have tariffed? could they not have tariffed?	could I not have been tariffing? could you not have been tariffing? could he not have been tariffing? could we not have been tariffing? could you not have been tariffing? could they not have been tariffing?