could roughneck
Regular verb: roughneck - roughnecked- roughnecked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't roughneck
you couldn't roughneck
he couldn't roughneck
we couldn't roughneck
you couldn't roughneck
they couldn't roughneck 	I couldn't be roughnecking
you couldn't be roughnecking
he couldn't be roughnecking
we couldn't be roughnecking
you couldn't be roughnecking
they couldn't be roughnecking	I couldn't have roughnecked
you couldn't have roughnecked
he couldn't have roughnecked
we couldn't have roughnecked
you couldn't have roughnecked
they couldn't have roughnecked	I couldn't have been roughnecking
you couldn't have been roughnecking
he couldn't have been roughnecking
we couldn't have been roughnecking
you couldn't have been roughnecking
they couldn't have been roughnecking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I roughneck?
couldn't you roughneck?
couldn't he roughneck?
couldn't we roughneck?
couldn't you roughneck?
couldn't they roughneck? 	couldn't I be roughnecking?
couldn't you be roughnecking?
couldn't he be roughnecking?
couldn't we be roughnecking?
couldn't you be roughnecking?
couldn't they be roughnecking? 	couldn't I have roughnecked?
couldn't you have roughnecked?
couldn't he have roughnecked?
couldn't we have roughnecked?
couldn't you have roughnecked?
couldn't they have roughnecked? 	couldn't I have been roughnecking?
couldn't you have been roughnecking?
couldn't he have been roughnecking?
couldn't we have been roughnecking?
couldn't you have been roughnecking?
couldn't they have been roughnecking?