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
he must ameliorate
we must ameliorate
you must ameliorate
they must ameliorate 	I must be ameliorating
you must be ameliorating
he must be ameliorating
we must be ameliorating
you must be ameliorating
they must be ameliorating	I must have ameliorated
you must have ameliorated
he 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
he 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 mustn't ameliorate
you mustn't ameliorate
he mustn't ameliorate
we mustn't ameliorate
you mustn't ameliorate
they mustn't ameliorate 	I mustn't be ameliorating
you mustn't be ameliorating
he mustn't be ameliorating
we mustn't be ameliorating
you mustn't be ameliorating
they mustn't be ameliorating	I mustn't have ameliorated
you mustn't have ameliorated
he mustn't have ameliorated
we mustn't have ameliorated
you mustn't have ameliorated
they mustn't have ameliorated	I mustn't have been ameliorating
you mustn't have been ameliorating
he mustn't have been ameliorating
we mustn't have been ameliorating
you mustn't have been ameliorating
they mustn't have been ameliorating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I ameliorate?
must you ameliorate?
must he ameliorate?
must we ameliorate?
must you ameliorate?
must they ameliorate? 	must I be ameliorating?
must you be ameliorating?
must he be ameliorating?
must we be ameliorating?
must you be ameliorating?
must they be ameliorating? 	must I have ameliorated?
must you have ameliorated?
must he 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 he 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 	
mustn't I ameliorate?
mustn't you ameliorate?
mustn't he ameliorate?
mustn't we ameliorate?
mustn't you ameliorate?
mustn't they ameliorate? 	mustn't I be ameliorating?
mustn't you be ameliorating?
mustn't he be ameliorating?
mustn't we be ameliorating?
mustn't you be ameliorating?
mustn't they be ameliorating? 	mustn't I have ameliorated?
mustn't you have ameliorated?
mustn't he have ameliorated?
mustn't we have ameliorated?
mustn't you have ameliorated?
mustn't they have ameliorated? 	mustn't I have been ameliorating?
mustn't you have been ameliorating?
mustn't he have been ameliorating?
mustn't we have been ameliorating?
mustn't you have been ameliorating?
mustn't they have been ameliorating?