must diffract
Verbe régulier : diffract - diffracted- diffracted
Traduction française : diffracter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must diffract
you must diffract
she must diffract
we must diffract
you must diffract
they must diffract 	I must be diffracting
you must be diffracting
she must be diffracting
we must be diffracting
you must be diffracting
they must be diffracting	I must have diffracted
you must have diffracted
she must have diffracted
we must have diffracted
you must have diffracted
they must have diffracted	I must have been diffracting
you must have been diffracting
she must have been diffracting
we must have been diffracting
you must have been diffracting
they must have been diffracting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't diffract
you mustn't diffract
she mustn't diffract
we mustn't diffract
you mustn't diffract
they mustn't diffract 	I mustn't be diffracting
you mustn't be diffracting
she mustn't be diffracting
we mustn't be diffracting
you mustn't be diffracting
they mustn't be diffracting	I mustn't have diffracted
you mustn't have diffracted
she mustn't have diffracted
we mustn't have diffracted
you mustn't have diffracted
they mustn't have diffracted	I mustn't have been diffracting
you mustn't have been diffracting
she mustn't have been diffracting
we mustn't have been diffracting
you mustn't have been diffracting
they mustn't have been diffracting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I diffract?
must you diffract?
must she diffract?
must we diffract?
must you diffract?
must they diffract? 	must I be diffracting?
must you be diffracting?
must she be diffracting?
must we be diffracting?
must you be diffracting?
must they be diffracting? 	must I have diffracted?
must you have diffracted?
must she have diffracted?
must we have diffracted?
must you have diffracted?
must they have diffracted? 	must I have been diffracting?
must you have been diffracting?
must she have been diffracting?
must we have been diffracting?
must you have been diffracting?
must they have been diffracting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I diffract?
mustn't you diffract?
mustn't she diffract?
mustn't we diffract?
mustn't you diffract?
mustn't they diffract? 	mustn't I be diffracting?
mustn't you be diffracting?
mustn't she be diffracting?
mustn't we be diffracting?
mustn't you be diffracting?
mustn't they be diffracting? 	mustn't I have diffracted?
mustn't you have diffracted?
mustn't she have diffracted?
mustn't we have diffracted?
mustn't you have diffracted?
mustn't they have diffracted? 	mustn't I have been diffracting?
mustn't you have been diffracting?
mustn't she have been diffracting?
mustn't we have been diffracting?
mustn't you have been diffracting?
mustn't they have been diffracting?