must deter
Verbo regolare: deter - detered- detered

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must deter
you must deter
he must deter
we must deter
you must deter
they must deter 	I must be detering
you must be detering
he must be detering
we must be detering
you must be detering
they must be detering	I must have detered
you must have detered
he must have detered
we must have detered
you must have detered
they must have detered	I must have been detering
you must have been detering
he must have been detering
we must have been detering
you must have been detering
they must have been detering	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not deter
you must not deter
he must not deter
we must not deter
you must not deter
they must not deter 	I must not be detering
you must not be detering
he must not be detering
we must not be detering
you must not be detering
they must not be detering	I must not have detered
you must not have detered
he must not have detered
we must not have detered
you must not have detered
they must not have detered	I must not have been detering
you must not have been detering
he must not have been detering
we must not have been detering
you must not have been detering
they must not have been detering	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I deter?
must you deter?
must he deter?
must we deter?
must you deter?
must they deter? 	must I be detering?
must you be detering?
must he be detering?
must we be detering?
must you be detering?
must they be detering? 	must I have detered?
must you have detered?
must he have detered?
must we have detered?
must you have detered?
must they have detered? 	must I have been detering?
must you have been detering?
must he have been detering?
must we have been detering?
must you have been detering?
must they have been detering? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not deter?
must you not deter?
must he not deter?
must we not deter?
must you not deter?
must they not deter? 	must I not be detering?
must you not be detering?
must he not be detering?
must we not be detering?
must you not be detering?
must they not be detering? 	must I not have detered?
must you not have detered?
must he not have detered?
must we not have detered?
must you not have detered?
must they not have detered? 	must I not have been detering?
must you not have been detering?
must he not have been detering?
must we not have been detering?
must you not have been detering?
must they not have been detering?