must practice
Verbo regolare: practice - practiced- practiced

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must practice
you must practice
she must practice
we must practice
you must practice
they must practice 	I must be practicing
you must be practicing
she must be practicing
we must be practicing
you must be practicing
they must be practicing	I must have practiced
you must have practiced
she must have practiced
we must have practiced
you must have practiced
they must have practiced	I must have been practicing
you must have been practicing
she must have been practicing
we must have been practicing
you must have been practicing
they must have been practicing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not practice
you must not practice
she must not practice
we must not practice
you must not practice
they must not practice 	I must not be practicing
you must not be practicing
she must not be practicing
we must not be practicing
you must not be practicing
they must not be practicing	I must not have practiced
you must not have practiced
she must not have practiced
we must not have practiced
you must not have practiced
they must not have practiced	I must not have been practicing
you must not have been practicing
she must not have been practicing
we must not have been practicing
you must not have been practicing
they must not have been practicing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I practice?
must you practice?
must she practice?
must we practice?
must you practice?
must they practice? 	must I be practicing?
must you be practicing?
must she be practicing?
must we be practicing?
must you be practicing?
must they be practicing? 	must I have practiced?
must you have practiced?
must she have practiced?
must we have practiced?
must you have practiced?
must they have practiced? 	must I have been practicing?
must you have been practicing?
must she have been practicing?
must we have been practicing?
must you have been practicing?
must they have been practicing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not practice?
must you not practice?
must she not practice?
must we not practice?
must you not practice?
must they not practice? 	must I not be practicing?
must you not be practicing?
must she not be practicing?
must we not be practicing?
must you not be practicing?
must they not be practicing? 	must I not have practiced?
must you not have practiced?
must she not have practiced?
must we not have practiced?
must you not have practiced?
must they not have practiced? 	must I not have been practicing?
must you not have been practicing?
must she not have been practicing?
must we not have been practicing?
must you not have been practicing?
must they not have been practicing?