Conjugación del verbo inglés
COULD ROUGH

Verbo regular: rough - roughed - roughed

Afirmación

Forma simple	Forma con V-ing
I could rough you could rough she could rough we could rough you could rough they could rough	I could be roughing you could be roughing she could be roughing we could be roughing you could be roughing they could be roughing
Perfecto	Perfecto con V-ing
I could have roughed you could have roughed she could have roughed we could have roughed you could have roughed they could have roughed	I could have been roughing you could have been roughing she could have been roughing we could have been roughing you could have been roughing they could have been roughing

Negación

Forma simple	Forma con V-ing
I could not rough you could not rough she could not rough we could not rough you could not rough they could not rough	I could not be roughing you could not be roughing she could not be roughing we could not be roughing you could not be roughing they could not be roughing
Perfecto	Perfecto con V-ing
I could not have roughed you could not have roughed she could not have roughed we could not have roughed you could not have roughed they could not have roughed	I could not have been roughing you could not have been roughing she could not have been roughing we could not have been roughing you could not have been roughing they could not have been roughing

Forma interrogativa

Forma simple	Forma con V-ing
could I rough? could you rough? could she rough? could we rough? could you rough? could they rough?	could I be roughing? could you be roughing? could she be roughing? could we be roughing? could you be roughing? could they be roughing?
Perfecto	Perfecto con V-ing
could I have roughed? could you have roughed? could she have roughed? could we have roughed? could you have roughed? could they have roughed?	could I have been roughing? could you have been roughing? could she have been roughing? could we have been roughing? could you have been roughing? could they have been roughing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not rough? could you not rough? could she not rough? could we not rough? could you not rough? could they not rough?	could I not be roughing? could you not be roughing? could she not be roughing? could we not be roughing? could you not be roughing? could they not be roughing?
Perfecto	Perfecto con V-ing
could I not have roughed? could you not have roughed? could she not have roughed? could we not have roughed? could you not have roughed? could they not have roughed?	could I not have been roughing? could you not have been roughing? could she not have been roughing? could we not have been roughing? could you not have been roughing? could they not have been roughing?