must subserve
Verbo regolare: subserve - subserved- subserved

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must subserve
you must subserve
she must subserve
we must subserve
you must subserve
they must subserve 	I must be subserving
you must be subserving
she must be subserving
we must be subserving
you must be subserving
they must be subserving	I must have subserved
you must have subserved
she must have subserved
we must have subserved
you must have subserved
they must have subserved	I must have been subserving
you must have been subserving
she must have been subserving
we must have been subserving
you must have been subserving
they must have been subserving	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not subserve
you must not subserve
she must not subserve
we must not subserve
you must not subserve
they must not subserve 	I must not be subserving
you must not be subserving
she must not be subserving
we must not be subserving
you must not be subserving
they must not be subserving	I must not have subserved
you must not have subserved
she must not have subserved
we must not have subserved
you must not have subserved
they must not have subserved	I must not have been subserving
you must not have been subserving
she must not have been subserving
we must not have been subserving
you must not have been subserving
they must not have been subserving	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I subserve?
must you subserve?
must she subserve?
must we subserve?
must you subserve?
must they subserve? 	must I be subserving?
must you be subserving?
must she be subserving?
must we be subserving?
must you be subserving?
must they be subserving? 	must I have subserved?
must you have subserved?
must she have subserved?
must we have subserved?
must you have subserved?
must they have subserved? 	must I have been subserving?
must you have been subserving?
must she have been subserving?
must we have been subserving?
must you have been subserving?
must they have been subserving? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not subserve?
must you not subserve?
must she not subserve?
must we not subserve?
must you not subserve?
must they not subserve? 	must I not be subserving?
must you not be subserving?
must she not be subserving?
must we not be subserving?
must you not be subserving?
must they not be subserving? 	must I not have subserved?
must you not have subserved?
must she not have subserved?
must we not have subserved?
must you not have subserved?
must they not have subserved? 	must I not have been subserving?
must you not have been subserving?
must she not have been subserving?
must we not have been subserving?
must you not have been subserving?
must they not have been subserving?