must superscribe
Verbe régulier : superscribe - superscribed- superscribed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must superscribe
you must superscribe
she must superscribe
we must superscribe
you must superscribe
they must superscribe 	I must be superscribing
you must be superscribing
she must be superscribing
we must be superscribing
you must be superscribing
they must be superscribing	I must have superscribed
you must have superscribed
she must have superscribed
we must have superscribed
you must have superscribed
they must have superscribed	I must have been superscribing
you must have been superscribing
she must have been superscribing
we must have been superscribing
you must have been superscribing
they must have been superscribing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not superscribe
you must not superscribe
she must not superscribe
we must not superscribe
you must not superscribe
they must not superscribe 	I must not be superscribing
you must not be superscribing
she must not be superscribing
we must not be superscribing
you must not be superscribing
they must not be superscribing	I must not have superscribed
you must not have superscribed
she must not have superscribed
we must not have superscribed
you must not have superscribed
they must not have superscribed	I must not have been superscribing
you must not have been superscribing
she must not have been superscribing
we must not have been superscribing
you must not have been superscribing
they must not have been superscribing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I superscribe?
must you superscribe?
must she superscribe?
must we superscribe?
must you superscribe?
must they superscribe? 	must I be superscribing?
must you be superscribing?
must she be superscribing?
must we be superscribing?
must you be superscribing?
must they be superscribing? 	must I have superscribed?
must you have superscribed?
must she have superscribed?
must we have superscribed?
must you have superscribed?
must they have superscribed? 	must I have been superscribing?
must you have been superscribing?
must she have been superscribing?
must we have been superscribing?
must you have been superscribing?
must they have been superscribing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not superscribe?
must you not superscribe?
must she not superscribe?
must we not superscribe?
must you not superscribe?
must they not superscribe? 	must I not be superscribing?
must you not be superscribing?
must she not be superscribing?
must we not be superscribing?
must you not be superscribing?
must they not be superscribing? 	must I not have superscribed?
must you not have superscribed?
must she not have superscribed?
must we not have superscribed?
must you not have superscribed?
must they not have superscribed? 	must I not have been superscribing?
must you not have been superscribing?
must she not have been superscribing?
must we not have been superscribing?
must you not have been superscribing?
must they not have been superscribing?