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