must prefreeze
Verbo regolare: prefreeze - prefreezed- prefreezed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must prefreeze
you must prefreeze
he must prefreeze
we must prefreeze
you must prefreeze
they must prefreeze 	I must be prefreezing
you must be prefreezing
he must be prefreezing
we must be prefreezing
you must be prefreezing
they must be prefreezing	I must have prefreezed
you must have prefreezed
he must have prefreezed
we must have prefreezed
you must have prefreezed
they must have prefreezed	I must have been prefreezing
you must have been prefreezing
he must have been prefreezing
we must have been prefreezing
you must have been prefreezing
they must have been prefreezing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not prefreeze
you must not prefreeze
he must not prefreeze
we must not prefreeze
you must not prefreeze
they must not prefreeze 	I must not be prefreezing
you must not be prefreezing
he must not be prefreezing
we must not be prefreezing
you must not be prefreezing
they must not be prefreezing	I must not have prefreezed
you must not have prefreezed
he must not have prefreezed
we must not have prefreezed
you must not have prefreezed
they must not have prefreezed	I must not have been prefreezing
you must not have been prefreezing
he must not have been prefreezing
we must not have been prefreezing
you must not have been prefreezing
they must not have been prefreezing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I prefreeze?
must you prefreeze?
must he prefreeze?
must we prefreeze?
must you prefreeze?
must they prefreeze? 	must I be prefreezing?
must you be prefreezing?
must he be prefreezing?
must we be prefreezing?
must you be prefreezing?
must they be prefreezing? 	must I have prefreezed?
must you have prefreezed?
must he have prefreezed?
must we have prefreezed?
must you have prefreezed?
must they have prefreezed? 	must I have been prefreezing?
must you have been prefreezing?
must he have been prefreezing?
must we have been prefreezing?
must you have been prefreezing?
must they have been prefreezing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not prefreeze?
must you not prefreeze?
must he not prefreeze?
must we not prefreeze?
must you not prefreeze?
must they not prefreeze? 	must I not be prefreezing?
must you not be prefreezing?
must he not be prefreezing?
must we not be prefreezing?
must you not be prefreezing?
must they not be prefreezing? 	must I not have prefreezed?
must you not have prefreezed?
must he not have prefreezed?
must we not have prefreezed?
must you not have prefreezed?
must they not have prefreezed? 	must I not have been prefreezing?
must you not have been prefreezing?
must he not have been prefreezing?
must we not have been prefreezing?
must you not have been prefreezing?
must they not have been prefreezing?