I'd be diffracting you'd be diffracting he'd be diffracting we'd be diffracting you'd be diffracting they'd be diffracting
Perfect
I should've diffracted you should've diffracted he should've diffracted we should've diffracted you should've diffracted they should've diffracted
V-ing perfect
I should've been diffracting you should've been diffracting he should've been diffracting we should've been diffracting you should've been diffracting they should've been diffracting
Negation
Simple form
I shouldn't diffract you shouldn't diffract he shouldn't diffract we shouldn't diffract you shouldn't diffract they shouldn't diffract
V-ing form
I shouldn't be diffracting you shouldn't be diffracting he shouldn't be diffracting we shouldn't be diffracting you shouldn't be diffracting they shouldn't be diffracting
Perfect
I shouldn't have diffracted you shouldn't have diffracted he shouldn't have diffracted we shouldn't have diffracted you shouldn't have diffracted they shouldn't have diffracted
V-ing perfect
I shouldn't have been diffracting you shouldn't have been diffracting he shouldn't have been diffracting we shouldn't have been diffracting you shouldn't have been diffracting they shouldn't have been diffracting
Interrogative form
Simple form
should I diffract? should you diffract? should he diffract? should we diffract? should you diffract? should they diffract?
V-ing form
should I be diffracting? should you be diffracting? should he be diffracting? should we be diffracting? should you be diffracting? should they be diffracting?
Perfect
should I have diffracted? should you have diffracted? should he have diffracted? should we have diffracted? should you have diffracted? should they have diffracted?
V-ing perfect
should I have been diffracting? should you have been diffracting? should he have been diffracting? should we have been diffracting? should you have been diffracting? should they have been diffracting?
Interro-negative form
Simple form
shouldn't I diffract? shouldn't you diffract? shouldn't he diffract? shouldn't we diffract? shouldn't you diffract? shouldn't they diffract?
V-ing form
shouldn't I be diffracting? shouldn't you be diffracting? shouldn't he be diffracting? shouldn't we be diffracting? shouldn't you be diffracting? shouldn't they be diffracting?
Perfect
shouldn't I have diffracted? shouldn't you have diffracted? shouldn't he have diffracted? shouldn't we have diffracted? shouldn't you have diffracted? shouldn't they have diffracted?
V-ing perfect
shouldn't I have been diffracting? shouldn't you have been diffracting? shouldn't he have been diffracting? shouldn't we have been diffracting? shouldn't you have been diffracting? shouldn't they have been diffracting?