I could diffract you could diffract he could diffract we could diffract you could diffract they could diffract
Forme en V-ing
I could be diffracting you could be diffracting he could be diffracting we could be diffracting you could be diffracting they could be diffracting
Perfect
I could have diffracted you could have diffracted he could have diffracted we could have diffracted you could have diffracted they could have diffracted
Perfect en V-ing
I could have been diffracting you could have been diffracting he could have been diffracting we could have been diffracting you could have been diffracting they could have been diffracting
Négation
Forme simple
I couldn't diffract you couldn't diffract he couldn't diffract we couldn't diffract you couldn't diffract they couldn't diffract
Forme en V-ing
I couldn't be diffracting you couldn't be diffracting he couldn't be diffracting we couldn't be diffracting you couldn't be diffracting they couldn't be diffracting
Perfect
I couldn't have diffracted you couldn't have diffracted he couldn't have diffracted we couldn't have diffracted you couldn't have diffracted they couldn't have diffracted
Perfect en V-ing
I couldn't have been diffracting you couldn't have been diffracting he couldn't have been diffracting we couldn't have been diffracting you couldn't have been diffracting they couldn't have been diffracting
Forme interrogative
Forme simple
could I diffract? could you diffract? could he diffract? could we diffract? could you diffract? could they diffract?
Forme en V-ing
could I be diffracting? could you be diffracting? could he be diffracting? could we be diffracting? could you be diffracting? could they be diffracting?
Perfect
could I have diffracted? could you have diffracted? could he have diffracted? could we have diffracted? could you have diffracted? could they have diffracted?
Perfect en V-ing
could I have been diffracting? could you have been diffracting? could he have been diffracting? could we have been diffracting? could you have been diffracting? could they have been diffracting?
Forme interro-négative
Forme simple
couldn't I diffract? couldn't you diffract? couldn't he diffract? couldn't we diffract? couldn't you diffract? couldn't they diffract?
Forme en V-ing
couldn't I be diffracting? couldn't you be diffracting? couldn't he be diffracting? couldn't we be diffracting? couldn't you be diffracting? couldn't they be diffracting?
Perfect
couldn't I have diffracted? couldn't you have diffracted? couldn't he have diffracted? couldn't we have diffracted? couldn't you have diffracted? couldn't they have diffracted?
Perfect en V-ing
couldn't I have been diffracting? couldn't you have been diffracting? couldn't he have been diffracting? couldn't we have been diffracting? couldn't you have been diffracting? couldn't they have been diffracting?