must roughneck
Verbe régulier : roughneck - roughnecked- roughnecked

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

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't roughneck
you mustn't roughneck
he mustn't roughneck
we mustn't roughneck
you mustn't roughneck
they mustn't roughneck 	I mustn't be roughnecking
you mustn't be roughnecking
he mustn't be roughnecking
we mustn't be roughnecking
you mustn't be roughnecking
they mustn't be roughnecking	I mustn't have roughnecked
you mustn't have roughnecked
he mustn't have roughnecked
we mustn't have roughnecked
you mustn't have roughnecked
they mustn't have roughnecked	I mustn't have been roughnecking
you mustn't have been roughnecking
he mustn't have been roughnecking
we mustn't have been roughnecking
you mustn't have been roughnecking
they mustn't have been roughnecking	

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

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