must unable
Verbe régulier : unable - unabled- unabled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must unable
you must unable
she must unable
we must unable
you must unable
they must unable 	I must be unabling
you must be unabling
she must be unabling
we must be unabling
you must be unabling
they must be unabling	I must have unabled
you must have unabled
she must have unabled
we must have unabled
you must have unabled
they must have unabled	I must have been unabling
you must have been unabling
she must have been unabling
we must have been unabling
you must have been unabling
they must have been unabling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not unable
you must not unable
she must not unable
we must not unable
you must not unable
they must not unable 	I must not be unabling
you must not be unabling
she must not be unabling
we must not be unabling
you must not be unabling
they must not be unabling	I must not have unabled
you must not have unabled
she must not have unabled
we must not have unabled
you must not have unabled
they must not have unabled	I must not have been unabling
you must not have been unabling
she must not have been unabling
we must not have been unabling
you must not have been unabling
they must not have been unabling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I unable?
must you unable?
must she unable?
must we unable?
must you unable?
must they unable? 	must I be unabling?
must you be unabling?
must she be unabling?
must we be unabling?
must you be unabling?
must they be unabling? 	must I have unabled?
must you have unabled?
must she have unabled?
must we have unabled?
must you have unabled?
must they have unabled? 	must I have been unabling?
must you have been unabling?
must she have been unabling?
must we have been unabling?
must you have been unabling?
must they have been unabling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not unable?
must you not unable?
must she not unable?
must we not unable?
must you not unable?
must they not unable? 	must I not be unabling?
must you not be unabling?
must she not be unabling?
must we not be unabling?
must you not be unabling?
must they not be unabling? 	must I not have unabled?
must you not have unabled?
must she not have unabled?
must we not have unabled?
must you not have unabled?
must they not have unabled? 	must I not have been unabling?
must you not have been unabling?
must she not have been unabling?
must we not have been unabling?
must you not have been unabling?
must they not have been unabling?