must heighten
Verbe régulier : heighten - heightened- heightened
Traduction française : relever - augmenter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must heighten
you must heighten
he must heighten
we must heighten
you must heighten
they must heighten 	I must be heightening
you must be heightening
he must be heightening
we must be heightening
you must be heightening
they must be heightening	I must have heightened
you must have heightened
he must have heightened
we must have heightened
you must have heightened
they must have heightened	I must have been heightening
you must have been heightening
he must have been heightening
we must have been heightening
you must have been heightening
they must have been heightening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't heighten
you mustn't heighten
he mustn't heighten
we mustn't heighten
you mustn't heighten
they mustn't heighten 	I mustn't be heightening
you mustn't be heightening
he mustn't be heightening
we mustn't be heightening
you mustn't be heightening
they mustn't be heightening	I mustn't have heightened
you mustn't have heightened
he mustn't have heightened
we mustn't have heightened
you mustn't have heightened
they mustn't have heightened	I mustn't have been heightening
you mustn't have been heightening
he mustn't have been heightening
we mustn't have been heightening
you mustn't have been heightening
they mustn't have been heightening	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I heighten?
must you heighten?
must he heighten?
must we heighten?
must you heighten?
must they heighten? 	must I be heightening?
must you be heightening?
must he be heightening?
must we be heightening?
must you be heightening?
must they be heightening? 	must I have heightened?
must you have heightened?
must he have heightened?
must we have heightened?
must you have heightened?
must they have heightened? 	must I have been heightening?
must you have been heightening?
must he have been heightening?
must we have been heightening?
must you have been heightening?
must they have been heightening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I heighten?
mustn't you heighten?
mustn't he heighten?
mustn't we heighten?
mustn't you heighten?
mustn't they heighten? 	mustn't I be heightening?
mustn't you be heightening?
mustn't he be heightening?
mustn't we be heightening?
mustn't you be heightening?
mustn't they be heightening? 	mustn't I have heightened?
mustn't you have heightened?
mustn't he have heightened?
mustn't we have heightened?
mustn't you have heightened?
mustn't they have heightened? 	mustn't I have been heightening?
mustn't you have been heightening?
mustn't he have been heightening?
mustn't we have been heightening?
mustn't you have been heightening?
mustn't they have been heightening?