must subvene
Verbo regolare: subvene - subvened- subvened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con 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	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not subvene
you must not subvene
she must not subvene
we must not subvene
you must not subvene
they must not subvene 	I must not be subvening
you must not be subvening
she must not be subvening
we must not be subvening
you must not be subvening
they must not be subvening	I must not have subvened
you must not have subvened
she must not have subvened
we must not have subvened
you must not have subvened
they must not have subvened	I must not have been subvening
you must not have been subvening
she must not have been subvening
we must not have been subvening
you must not have been subvening
they must not have been subvening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con 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? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not subvene?
must you not subvene?
must she not subvene?
must we not subvene?
must you not subvene?
must they not subvene? 	must I not be subvening?
must you not be subvening?
must she not be subvening?
must we not be subvening?
must you not be subvening?
must they not be subvening? 	must I not have subvened?
must you not have subvened?
must she not have subvened?
must we not have subvened?
must you not have subvened?
must they not have subvened? 	must I not have been subvening?
must you not have been subvening?
must she not have been subvening?
must we not have been subvening?
must you not have been subvening?
must they not have been subvening?