must refrigerate
Verbo regolare: refrigerate - refrigerated- refrigerated

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must refrigerate
you must refrigerate
he must refrigerate
we must refrigerate
you must refrigerate
they must refrigerate 	I must be refrigerating
you must be refrigerating
he must be refrigerating
we must be refrigerating
you must be refrigerating
they must be refrigerating	I must have refrigerated
you must have refrigerated
he must have refrigerated
we must have refrigerated
you must have refrigerated
they must have refrigerated	I must have been refrigerating
you must have been refrigerating
he must have been refrigerating
we must have been refrigerating
you must have been refrigerating
they must have been refrigerating	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not refrigerate
you must not refrigerate
he must not refrigerate
we must not refrigerate
you must not refrigerate
they must not refrigerate 	I must not be refrigerating
you must not be refrigerating
he must not be refrigerating
we must not be refrigerating
you must not be refrigerating
they must not be refrigerating	I must not have refrigerated
you must not have refrigerated
he must not have refrigerated
we must not have refrigerated
you must not have refrigerated
they must not have refrigerated	I must not have been refrigerating
you must not have been refrigerating
he must not have been refrigerating
we must not have been refrigerating
you must not have been refrigerating
they must not have been refrigerating	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I refrigerate?
must you refrigerate?
must he refrigerate?
must we refrigerate?
must you refrigerate?
must they refrigerate? 	must I be refrigerating?
must you be refrigerating?
must he be refrigerating?
must we be refrigerating?
must you be refrigerating?
must they be refrigerating? 	must I have refrigerated?
must you have refrigerated?
must he have refrigerated?
must we have refrigerated?
must you have refrigerated?
must they have refrigerated? 	must I have been refrigerating?
must you have been refrigerating?
must he have been refrigerating?
must we have been refrigerating?
must you have been refrigerating?
must they have been refrigerating? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not refrigerate?
must you not refrigerate?
must he not refrigerate?
must we not refrigerate?
must you not refrigerate?
must they not refrigerate? 	must I not be refrigerating?
must you not be refrigerating?
must he not be refrigerating?
must we not be refrigerating?
must you not be refrigerating?
must they not be refrigerating? 	must I not have refrigerated?
must you not have refrigerated?
must he not have refrigerated?
must we not have refrigerated?
must you not have refrigerated?
must they not have refrigerated? 	must I not have been refrigerating?
must you not have been refrigerating?
must he not have been refrigerating?
must we not have been refrigerating?
must you not have been refrigerating?
must they not have been refrigerating?