must spearfish
Verbe régulier : spearfish - spearfished- spearfished

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must spearfish
you must spearfish
she must spearfish
we must spearfish
you must spearfish
they must spearfish 	I must be spearfishing
you must be spearfishing
she must be spearfishing
we must be spearfishing
you must be spearfishing
they must be spearfishing	I must have spearfished
you must have spearfished
she must have spearfished
we must have spearfished
you must have spearfished
they must have spearfished	I must have been spearfishing
you must have been spearfishing
she must have been spearfishing
we must have been spearfishing
you must have been spearfishing
they must have been spearfishing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't spearfish
you mustn't spearfish
she mustn't spearfish
we mustn't spearfish
you mustn't spearfish
they mustn't spearfish 	I mustn't be spearfishing
you mustn't be spearfishing
she mustn't be spearfishing
we mustn't be spearfishing
you mustn't be spearfishing
they mustn't be spearfishing	I mustn't have spearfished
you mustn't have spearfished
she mustn't have spearfished
we mustn't have spearfished
you mustn't have spearfished
they mustn't have spearfished	I mustn't have been spearfishing
you mustn't have been spearfishing
she mustn't have been spearfishing
we mustn't have been spearfishing
you mustn't have been spearfishing
they mustn't have been spearfishing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I spearfish?
must you spearfish?
must she spearfish?
must we spearfish?
must you spearfish?
must they spearfish? 	must I be spearfishing?
must you be spearfishing?
must she be spearfishing?
must we be spearfishing?
must you be spearfishing?
must they be spearfishing? 	must I have spearfished?
must you have spearfished?
must she have spearfished?
must we have spearfished?
must you have spearfished?
must they have spearfished? 	must I have been spearfishing?
must you have been spearfishing?
must she have been spearfishing?
must we have been spearfishing?
must you have been spearfishing?
must they have been spearfishing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I spearfish?
mustn't you spearfish?
mustn't she spearfish?
mustn't we spearfish?
mustn't you spearfish?
mustn't they spearfish? 	mustn't I be spearfishing?
mustn't you be spearfishing?
mustn't she be spearfishing?
mustn't we be spearfishing?
mustn't you be spearfishing?
mustn't they be spearfishing? 	mustn't I have spearfished?
mustn't you have spearfished?
mustn't she have spearfished?
mustn't we have spearfished?
mustn't you have spearfished?
mustn't they have spearfished? 	mustn't I have been spearfishing?
mustn't you have been spearfishing?
mustn't she have been spearfishing?
mustn't we have been spearfishing?
mustn't you have been spearfishing?
mustn't they have been spearfishing?