must ameliorate
Verbe régulier : ameliorate - ameliorated- ameliorated
Traduction française : améliorer - s'améliorer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must ameliorate
you must ameliorate
she must ameliorate
we must ameliorate
you must ameliorate
they must ameliorate 	I must be ameliorating
you must be ameliorating
she must be ameliorating
we must be ameliorating
you must be ameliorating
they must be ameliorating	I must have ameliorated
you must have ameliorated
she must have ameliorated
we must have ameliorated
you must have ameliorated
they must have ameliorated	I must have been ameliorating
you must have been ameliorating
she must have been ameliorating
we must have been ameliorating
you must have been ameliorating
they must have been ameliorating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not ameliorate
you must not ameliorate
she must not ameliorate
we must not ameliorate
you must not ameliorate
they must not ameliorate 	I must not be ameliorating
you must not be ameliorating
she must not be ameliorating
we must not be ameliorating
you must not be ameliorating
they must not be ameliorating	I must not have ameliorated
you must not have ameliorated
she must not have ameliorated
we must not have ameliorated
you must not have ameliorated
they must not have ameliorated	I must not have been ameliorating
you must not have been ameliorating
she must not have been ameliorating
we must not have been ameliorating
you must not have been ameliorating
they must not have been ameliorating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I ameliorate?
must you ameliorate?
must she ameliorate?
must we ameliorate?
must you ameliorate?
must they ameliorate? 	must I be ameliorating?
must you be ameliorating?
must she be ameliorating?
must we be ameliorating?
must you be ameliorating?
must they be ameliorating? 	must I have ameliorated?
must you have ameliorated?
must she have ameliorated?
must we have ameliorated?
must you have ameliorated?
must they have ameliorated? 	must I have been ameliorating?
must you have been ameliorating?
must she have been ameliorating?
must we have been ameliorating?
must you have been ameliorating?
must they have been ameliorating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not ameliorate?
must you not ameliorate?
must she not ameliorate?
must we not ameliorate?
must you not ameliorate?
must they not ameliorate? 	must I not be ameliorating?
must you not be ameliorating?
must she not be ameliorating?
must we not be ameliorating?
must you not be ameliorating?
must they not be ameliorating? 	must I not have ameliorated?
must you not have ameliorated?
must she not have ameliorated?
must we not have ameliorated?
must you not have ameliorated?
must they not have ameliorated? 	must I not have been ameliorating?
must you not have been ameliorating?
must she not have been ameliorating?
must we not have been ameliorating?
must you not have been ameliorating?
must they not have been ameliorating?