must fulfill
Verbo regolare: fulfill - fulfilled- fulfilled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must fulfill
you must fulfill
he must fulfill
we must fulfill
you must fulfill
they must fulfill 	I must be fulfilling
you must be fulfilling
he must be fulfilling
we must be fulfilling
you must be fulfilling
they must be fulfilling	I must have fulfilled
you must have fulfilled
he must have fulfilled
we must have fulfilled
you must have fulfilled
they must have fulfilled	I must have been fulfilling
you must have been fulfilling
he must have been fulfilling
we must have been fulfilling
you must have been fulfilling
they must have been fulfilling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not fulfill
you must not fulfill
he must not fulfill
we must not fulfill
you must not fulfill
they must not fulfill 	I must not be fulfilling
you must not be fulfilling
he must not be fulfilling
we must not be fulfilling
you must not be fulfilling
they must not be fulfilling	I must not have fulfilled
you must not have fulfilled
he must not have fulfilled
we must not have fulfilled
you must not have fulfilled
they must not have fulfilled	I must not have been fulfilling
you must not have been fulfilling
he must not have been fulfilling
we must not have been fulfilling
you must not have been fulfilling
they must not have been fulfilling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I fulfill?
must you fulfill?
must he fulfill?
must we fulfill?
must you fulfill?
must they fulfill? 	must I be fulfilling?
must you be fulfilling?
must he be fulfilling?
must we be fulfilling?
must you be fulfilling?
must they be fulfilling? 	must I have fulfilled?
must you have fulfilled?
must he have fulfilled?
must we have fulfilled?
must you have fulfilled?
must they have fulfilled? 	must I have been fulfilling?
must you have been fulfilling?
must he have been fulfilling?
must we have been fulfilling?
must you have been fulfilling?
must they have been fulfilling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not fulfill?
must you not fulfill?
must he not fulfill?
must we not fulfill?
must you not fulfill?
must they not fulfill? 	must I not be fulfilling?
must you not be fulfilling?
must he not be fulfilling?
must we not be fulfilling?
must you not be fulfilling?
must they not be fulfilling? 	must I not have fulfilled?
must you not have fulfilled?
must he not have fulfilled?
must we not have fulfilled?
must you not have fulfilled?
must they not have fulfilled? 	must I not have been fulfilling?
must you not have been fulfilling?
must he not have been fulfilling?
must we not have been fulfilling?
must you not have been fulfilling?
must they not have been fulfilling?