must overfish
Verbe régulier : overfish - overfished- overfished

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must overfish
you must overfish
she must overfish
we must overfish
you must overfish
they must overfish 	I must be overfishing
you must be overfishing
she must be overfishing
we must be overfishing
you must be overfishing
they must be overfishing	I must have overfished
you must have overfished
she must have overfished
we must have overfished
you must have overfished
they must have overfished	I must have been overfishing
you must have been overfishing
she must have been overfishing
we must have been overfishing
you must have been overfishing
they must have been overfishing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't overfish
you mustn't overfish
she mustn't overfish
we mustn't overfish
you mustn't overfish
they mustn't overfish 	I mustn't be overfishing
you mustn't be overfishing
she mustn't be overfishing
we mustn't be overfishing
you mustn't be overfishing
they mustn't be overfishing	I mustn't have overfished
you mustn't have overfished
she mustn't have overfished
we mustn't have overfished
you mustn't have overfished
they mustn't have overfished	I mustn't have been overfishing
you mustn't have been overfishing
she mustn't have been overfishing
we mustn't have been overfishing
you mustn't have been overfishing
they mustn't have been overfishing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I overfish?
must you overfish?
must she overfish?
must we overfish?
must you overfish?
must they overfish? 	must I be overfishing?
must you be overfishing?
must she be overfishing?
must we be overfishing?
must you be overfishing?
must they be overfishing? 	must I have overfished?
must you have overfished?
must she have overfished?
must we have overfished?
must you have overfished?
must they have overfished? 	must I have been overfishing?
must you have been overfishing?
must she have been overfishing?
must we have been overfishing?
must you have been overfishing?
must they have been overfishing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I overfish?
mustn't you overfish?
mustn't she overfish?
mustn't we overfish?
mustn't you overfish?
mustn't they overfish? 	mustn't I be overfishing?
mustn't you be overfishing?
mustn't she be overfishing?
mustn't we be overfishing?
mustn't you be overfishing?
mustn't they be overfishing? 	mustn't I have overfished?
mustn't you have overfished?
mustn't she have overfished?
mustn't we have overfished?
mustn't you have overfished?
mustn't they have overfished? 	mustn't I have been overfishing?
mustn't you have been overfishing?
mustn't she have been overfishing?
mustn't we have been overfishing?
mustn't you have been overfishing?
mustn't they have been overfishing?