must vitrify
Verbo regolare: vitrify - vitrified- vitrified

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must vitrify
you must vitrify
he must vitrify
we must vitrify
you must vitrify
they must vitrify 	I must be vitrifying
you must be vitrifying
he must be vitrifying
we must be vitrifying
you must be vitrifying
they must be vitrifying	I must have vitrified
you must have vitrified
he must have vitrified
we must have vitrified
you must have vitrified
they must have vitrified	I must have been vitrifying
you must have been vitrifying
he must have been vitrifying
we must have been vitrifying
you must have been vitrifying
they must have been vitrifying	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't vitrify
you mustn't vitrify
he mustn't vitrify
we mustn't vitrify
you mustn't vitrify
they mustn't vitrify 	I mustn't be vitrifying
you mustn't be vitrifying
he mustn't be vitrifying
we mustn't be vitrifying
you mustn't be vitrifying
they mustn't be vitrifying	I mustn't have vitrified
you mustn't have vitrified
he mustn't have vitrified
we mustn't have vitrified
you mustn't have vitrified
they mustn't have vitrified	I mustn't have been vitrifying
you mustn't have been vitrifying
he mustn't have been vitrifying
we mustn't have been vitrifying
you mustn't have been vitrifying
they mustn't have been vitrifying	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I vitrify?
must you vitrify?
must he vitrify?
must we vitrify?
must you vitrify?
must they vitrify? 	must I be vitrifying?
must you be vitrifying?
must he be vitrifying?
must we be vitrifying?
must you be vitrifying?
must they be vitrifying? 	must I have vitrified?
must you have vitrified?
must he have vitrified?
must we have vitrified?
must you have vitrified?
must they have vitrified? 	must I have been vitrifying?
must you have been vitrifying?
must he have been vitrifying?
must we have been vitrifying?
must you have been vitrifying?
must they have been vitrifying? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I vitrify?
mustn't you vitrify?
mustn't he vitrify?
mustn't we vitrify?
mustn't you vitrify?
mustn't they vitrify? 	mustn't I be vitrifying?
mustn't you be vitrifying?
mustn't he be vitrifying?
mustn't we be vitrifying?
mustn't you be vitrifying?
mustn't they be vitrifying? 	mustn't I have vitrified?
mustn't you have vitrified?
mustn't he have vitrified?
mustn't we have vitrified?
mustn't you have vitrified?
mustn't they have vitrified? 	mustn't I have been vitrifying?
mustn't you have been vitrifying?
mustn't he have been vitrifying?
mustn't we have been vitrifying?
mustn't you have been vitrifying?
mustn't they have been vitrifying?