must antedate
Verbe régulier : antedate - antedated- antedated
Traduction française : précéder - antidater 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must antedate
you must antedate
he must antedate
we must antedate
you must antedate
they must antedate 	I must be antedating
you must be antedating
he must be antedating
we must be antedating
you must be antedating
they must be antedating	I must have antedated
you must have antedated
he must have antedated
we must have antedated
you must have antedated
they must have antedated	I must have been antedating
you must have been antedating
he must have been antedating
we must have been antedating
you must have been antedating
they must have been antedating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not antedate
you must not antedate
he must not antedate
we must not antedate
you must not antedate
they must not antedate 	I must not be antedating
you must not be antedating
he must not be antedating
we must not be antedating
you must not be antedating
they must not be antedating	I must not have antedated
you must not have antedated
he must not have antedated
we must not have antedated
you must not have antedated
they must not have antedated	I must not have been antedating
you must not have been antedating
he must not have been antedating
we must not have been antedating
you must not have been antedating
they must not have been antedating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I antedate?
must you antedate?
must he antedate?
must we antedate?
must you antedate?
must they antedate? 	must I be antedating?
must you be antedating?
must he be antedating?
must we be antedating?
must you be antedating?
must they be antedating? 	must I have antedated?
must you have antedated?
must he have antedated?
must we have antedated?
must you have antedated?
must they have antedated? 	must I have been antedating?
must you have been antedating?
must he have been antedating?
must we have been antedating?
must you have been antedating?
must they have been antedating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not antedate?
must you not antedate?
must he not antedate?
must we not antedate?
must you not antedate?
must they not antedate? 	must I not be antedating?
must you not be antedating?
must he not be antedating?
must we not be antedating?
must you not be antedating?
must they not be antedating? 	must I not have antedated?
must you not have antedated?
must he not have antedated?
must we not have antedated?
must you not have antedated?
must they not have antedated? 	must I not have been antedating?
must you not have been antedating?
must he not have been antedating?
must we not have been antedating?
must you not have been antedating?
must they not have been antedating?