must porpoise
Verbe régulier : porpoise - porpoised- porpoised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must porpoise
you must porpoise
she must porpoise
we must porpoise
you must porpoise
they must porpoise 	I must be porpoising
you must be porpoising
she must be porpoising
we must be porpoising
you must be porpoising
they must be porpoising	I must have porpoised
you must have porpoised
she must have porpoised
we must have porpoised
you must have porpoised
they must have porpoised	I must have been porpoising
you must have been porpoising
she must have been porpoising
we must have been porpoising
you must have been porpoising
they must have been porpoising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't porpoise
you mustn't porpoise
she mustn't porpoise
we mustn't porpoise
you mustn't porpoise
they mustn't porpoise 	I mustn't be porpoising
you mustn't be porpoising
she mustn't be porpoising
we mustn't be porpoising
you mustn't be porpoising
they mustn't be porpoising	I mustn't have porpoised
you mustn't have porpoised
she mustn't have porpoised
we mustn't have porpoised
you mustn't have porpoised
they mustn't have porpoised	I mustn't have been porpoising
you mustn't have been porpoising
she mustn't have been porpoising
we mustn't have been porpoising
you mustn't have been porpoising
they mustn't have been porpoising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I porpoise?
must you porpoise?
must she porpoise?
must we porpoise?
must you porpoise?
must they porpoise? 	must I be porpoising?
must you be porpoising?
must she be porpoising?
must we be porpoising?
must you be porpoising?
must they be porpoising? 	must I have porpoised?
must you have porpoised?
must she have porpoised?
must we have porpoised?
must you have porpoised?
must they have porpoised? 	must I have been porpoising?
must you have been porpoising?
must she have been porpoising?
must we have been porpoising?
must you have been porpoising?
must they have been porpoising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I porpoise?
mustn't you porpoise?
mustn't she porpoise?
mustn't we porpoise?
mustn't you porpoise?
mustn't they porpoise? 	mustn't I be porpoising?
mustn't you be porpoising?
mustn't she be porpoising?
mustn't we be porpoising?
mustn't you be porpoising?
mustn't they be porpoising? 	mustn't I have porpoised?
mustn't you have porpoised?
mustn't she have porpoised?
mustn't we have porpoised?
mustn't you have porpoised?
mustn't they have porpoised? 	mustn't I have been porpoising?
mustn't you have been porpoising?
mustn't she have been porpoising?
mustn't we have been porpoising?
mustn't you have been porpoising?
mustn't they have been porpoising?