Conjugación del verbo inglés
COULD NAG

Verbo regular: nag - nagged - nagged

Afirmación

Forma simple	Forma con V-ing
I could nag you could nag he could nag we could nag you could nag they could nag	I could be nagging you could be nagging he could be nagging we could be nagging you could be nagging they could be nagging
Perfecto	Perfecto con V-ing
I could have nagged you could have nagged he could have nagged we could have nagged you could have nagged they could have nagged	I could have been nagging you could have been nagging he could have been nagging we could have been nagging you could have been nagging they could have been nagging

Negación

Forma simple	Forma con V-ing
I could not nag you could not nag he could not nag we could not nag you could not nag they could not nag	I could not be nagging you could not be nagging he could not be nagging we could not be nagging you could not be nagging they could not be nagging
Perfecto	Perfecto con V-ing
I could not have nagged you could not have nagged he could not have nagged we could not have nagged you could not have nagged they could not have nagged	I could not have been nagging you could not have been nagging he could not have been nagging we could not have been nagging you could not have been nagging they could not have been nagging

Forma interrogativa

Forma simple	Forma con V-ing
could I nag? could you nag? could he nag? could we nag? could you nag? could they nag?	could I be nagging? could you be nagging? could he be nagging? could we be nagging? could you be nagging? could they be nagging?
Perfecto	Perfecto con V-ing
could I have nagged? could you have nagged? could he have nagged? could we have nagged? could you have nagged? could they have nagged?	could I have been nagging? could you have been nagging? could he have been nagging? could we have been nagging? could you have been nagging? could they have been nagging?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not nag? could you not nag? could he not nag? could we not nag? could you not nag? could they not nag?	could I not be nagging? could you not be nagging? could he not be nagging? could we not be nagging? could you not be nagging? could they not be nagging?
Perfecto	Perfecto con V-ing
could I not have nagged? could you not have nagged? could he not have nagged? could we not have nagged? could you not have nagged? could they not have nagged?	could I not have been nagging? could you not have been nagging? could he not have been nagging? could we not have been nagging? could you not have been nagging? could they not have been nagging?