could rough
Verbo regolare: rough - roughed- roughed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto 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	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	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto 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	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 semplice 	Forma con V-ing 	Perfetto 	Perfetto 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? 	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 semplice 	Forma con V-ing 	Perfetto 	Perfetto 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? 	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?