could roughneck
Verbe régulier : roughneck - roughnecked- roughnecked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could roughneck
you could roughneck
he could roughneck
we could roughneck
you could roughneck
they could roughneck 	I could be roughnecking
you could be roughnecking
he could be roughnecking
we could be roughnecking
you could be roughnecking
they could be roughnecking	I could have roughnecked
you could have roughnecked
he could have roughnecked
we could have roughnecked
you could have roughnecked
they could have roughnecked	I could have been roughnecking
you could have been roughnecking
he could have been roughnecking
we could have been roughnecking
you could have been roughnecking
they could have been roughnecking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not roughneck
you could not roughneck
he could not roughneck
we could not roughneck
you could not roughneck
they could not roughneck 	I could not be roughnecking
you could not be roughnecking
he could not be roughnecking
we could not be roughnecking
you could not be roughnecking
they could not be roughnecking	I could not have roughnecked
you could not have roughnecked
he could not have roughnecked
we could not have roughnecked
you could not have roughnecked
they could not have roughnecked	I could not have been roughnecking
you could not have been roughnecking
he could not have been roughnecking
we could not have been roughnecking
you could not have been roughnecking
they could not have been roughnecking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I roughneck?
could you roughneck?
could he roughneck?
could we roughneck?
could you roughneck?
could they roughneck? 	could I be roughnecking?
could you be roughnecking?
could he be roughnecking?
could we be roughnecking?
could you be roughnecking?
could they be roughnecking? 	could I have roughnecked?
could you have roughnecked?
could he have roughnecked?
could we have roughnecked?
could you have roughnecked?
could they have roughnecked? 	could I have been roughnecking?
could you have been roughnecking?
could he have been roughnecking?
could we have been roughnecking?
could you have been roughnecking?
could they have been roughnecking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not roughneck?
could you not roughneck?
could he not roughneck?
could we not roughneck?
could you not roughneck?
could they not roughneck? 	could I not be roughnecking?
could you not be roughnecking?
could he not be roughnecking?
could we not be roughnecking?
could you not be roughnecking?
could they not be roughnecking? 	could I not have roughnecked?
could you not have roughnecked?
could he not have roughnecked?
could we not have roughnecked?
could you not have roughnecked?
could they not have roughnecked? 	could I not have been roughnecking?
could you not have been roughnecking?
could he not have been roughnecking?
could we not have been roughnecking?
could you not have been roughnecking?
could they not have been roughnecking?