must subvene
Verbe régulier : subvene - subvened- subvened

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must subvene
you must subvene
she must subvene
we must subvene
you must subvene
they must subvene 	I must be subvening
you must be subvening
she must be subvening
we must be subvening
you must be subvening
they must be subvening	I must have subvened
you must have subvened
she must have subvened
we must have subvened
you must have subvened
they must have subvened	I must have been subvening
you must have been subvening
she must have been subvening
we must have been subvening
you must have been subvening
they must have been subvening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't subvene
you mustn't subvene
she mustn't subvene
we mustn't subvene
you mustn't subvene
they mustn't subvene 	I mustn't be subvening
you mustn't be subvening
she mustn't be subvening
we mustn't be subvening
you mustn't be subvening
they mustn't be subvening	I mustn't have subvened
you mustn't have subvened
she mustn't have subvened
we mustn't have subvened
you mustn't have subvened
they mustn't have subvened	I mustn't have been subvening
you mustn't have been subvening
she mustn't have been subvening
we mustn't have been subvening
you mustn't have been subvening
they mustn't have been subvening	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I subvene?
must you subvene?
must she subvene?
must we subvene?
must you subvene?
must they subvene? 	must I be subvening?
must you be subvening?
must she be subvening?
must we be subvening?
must you be subvening?
must they be subvening? 	must I have subvened?
must you have subvened?
must she have subvened?
must we have subvened?
must you have subvened?
must they have subvened? 	must I have been subvening?
must you have been subvening?
must she have been subvening?
must we have been subvening?
must you have been subvening?
must they have been subvening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I subvene?
mustn't you subvene?
mustn't she subvene?
mustn't we subvene?
mustn't you subvene?
mustn't they subvene? 	mustn't I be subvening?
mustn't you be subvening?
mustn't she be subvening?
mustn't we be subvening?
mustn't you be subvening?
mustn't they be subvening? 	mustn't I have subvened?
mustn't you have subvened?
mustn't she have subvened?
mustn't we have subvened?
mustn't you have subvened?
mustn't they have subvened? 	mustn't I have been subvening?
mustn't you have been subvening?
mustn't she have been subvening?
mustn't we have been subvening?
mustn't you have been subvening?
mustn't they have been subvening?