must subvene
Verbo regular: subvene - subvened- subvened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must subvene
you must subvene
he must subvene
we must subvene
you must subvene
they must subvene 	I must be subvening
you must be subvening
he must be subvening
we must be subvening
you must be subvening
they must be subvening	I must have subvened
you must have subvened
he 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
he must have been subvening
we must have been subvening
you must have been subvening
they must have been subvening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't subvene
you mustn't subvene
he 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
he 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
he 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
he mustn't have been subvening
we mustn't have been subvening
you mustn't have been subvening
they mustn't have been subvening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I subvene?
must you subvene?
must he subvene?
must we subvene?
must you subvene?
must they subvene? 	must I be subvening?
must you be subvening?
must he be subvening?
must we be subvening?
must you be subvening?
must they be subvening? 	must I have subvened?
must you have subvened?
must he 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 he have been subvening?
must we have been subvening?
must you have been subvening?
must they have been subvening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I subvene?
mustn't you subvene?
mustn't he 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 he 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 he 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 he have been subvening?
mustn't we have been subvening?
mustn't you have been subvening?
mustn't they have been subvening?