must enhance
Verbe régulier : enhance - enhanced- enhanced
Traduction française : améliorer - augmenter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must enhance
you must enhance
he must enhance
we must enhance
you must enhance
they must enhance 	I must be enhancing
you must be enhancing
he must be enhancing
we must be enhancing
you must be enhancing
they must be enhancing	I must have enhanced
you must have enhanced
he must have enhanced
we must have enhanced
you must have enhanced
they must have enhanced	I must have been enhancing
you must have been enhancing
he must have been enhancing
we must have been enhancing
you must have been enhancing
they must have been enhancing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't enhance
you mustn't enhance
he mustn't enhance
we mustn't enhance
you mustn't enhance
they mustn't enhance 	I mustn't be enhancing
you mustn't be enhancing
he mustn't be enhancing
we mustn't be enhancing
you mustn't be enhancing
they mustn't be enhancing	I mustn't have enhanced
you mustn't have enhanced
he mustn't have enhanced
we mustn't have enhanced
you mustn't have enhanced
they mustn't have enhanced	I mustn't have been enhancing
you mustn't have been enhancing
he mustn't have been enhancing
we mustn't have been enhancing
you mustn't have been enhancing
they mustn't have been enhancing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I enhance?
must you enhance?
must he enhance?
must we enhance?
must you enhance?
must they enhance? 	must I be enhancing?
must you be enhancing?
must he be enhancing?
must we be enhancing?
must you be enhancing?
must they be enhancing? 	must I have enhanced?
must you have enhanced?
must he have enhanced?
must we have enhanced?
must you have enhanced?
must they have enhanced? 	must I have been enhancing?
must you have been enhancing?
must he have been enhancing?
must we have been enhancing?
must you have been enhancing?
must they have been enhancing? 	

Forme interro-négative 	
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mustn't I enhance?
mustn't you enhance?
mustn't he enhance?
mustn't we enhance?
mustn't you enhance?
mustn't they enhance? 	mustn't I be enhancing?
mustn't you be enhancing?
mustn't he be enhancing?
mustn't we be enhancing?
mustn't you be enhancing?
mustn't they be enhancing? 	mustn't I have enhanced?
mustn't you have enhanced?
mustn't he have enhanced?
mustn't we have enhanced?
mustn't you have enhanced?
mustn't they have enhanced? 	mustn't I have been enhancing?
mustn't you have been enhancing?
mustn't he have been enhancing?
mustn't we have been enhancing?
mustn't you have been enhancing?
mustn't they have been enhancing?