I ought to diffract you ought to diffract he ought to diffract we ought to diffract you ought to diffract they ought to diffract
V-ing form
I ought to be diffracting you ought to be diffracting he ought to be diffracting we ought to be diffracting you ought to be diffracting they ought to be diffracting
Perfect
I ought to have diffracted you ought to have diffracted he ought to have diffracted we ought to have diffracted you ought to have diffracted they ought to have diffracted
V-ing perfect
I ought to have been diffracting you ought to have been diffracting he ought to have been diffracting we ought to have been diffracting you ought to have been diffracting they ought to have been diffracting
Negation
Simple form
I oughtn't to diffract you oughtn't to diffract he oughtn't to diffract we oughtn't to diffract you oughtn't to diffract they oughtn't to diffract
V-ing form
I oughtn't to be diffracting you oughtn't to be diffracting he oughtn't to be diffracting we oughtn't to be diffracting you oughtn't to be diffracting they oughtn't to be diffracting
Perfect
I oughtn't to have diffracted you oughtn't to have diffracted he oughtn't to have diffracted we oughtn't to have diffracted you oughtn't to have diffracted they oughtn't to have diffracted
V-ing perfect
I oughtn't to have been diffracting you oughtn't to have been diffracting he oughtn't to have been diffracting we oughtn't to have been diffracting you oughtn't to have been diffracting they oughtn't to have been diffracting
Interrogative form
Simple form
ought to I diffract? ought to you diffract? ought to he diffract? ought to we diffract? ought to you diffract? ought to they diffract?
V-ing form
ought to I be diffracting? ought to you be diffracting? ought to he be diffracting? ought to we be diffracting? ought to you be diffracting? ought to they be diffracting?
Perfect
ought to I have diffracted? ought to you have diffracted? ought to he have diffracted? ought to we have diffracted? ought to you have diffracted? ought to they have diffracted?
V-ing perfect
ought to I have been diffracting? ought to you have been diffracting? ought to he have been diffracting? ought to we have been diffracting? ought to you have been diffracting? ought to they have been diffracting?
Interro-negative form
Simple form
oughtn't I to diffract? oughtn't you to diffract? oughtn't he to diffract? oughtn't we to diffract? oughtn't you to diffract? oughtn't they to diffract?
V-ing form
oughtn't I to be diffracting? oughtn't you to be diffracting? oughtn't he to be diffracting? oughtn't we to be diffracting? oughtn't you to be diffracting? oughtn't they to be diffracting?
Perfect
oughtn't I to have diffracted? oughtn't you to have diffracted? oughtn't he to have diffracted? oughtn't we to have diffracted? oughtn't you to have diffracted? oughtn't they to have diffracted?
V-ing perfect
oughtn't I to have been diffracting? oughtn't you to have been diffracting? oughtn't he to have been diffracting? oughtn't we to have been diffracting? oughtn't you to have been diffracting? oughtn't they to have been diffracting?