I ought to double-check you ought to double-check he ought to double-check we ought to double-check you ought to double-check they ought to double-check
V-ing form
I ought to be double-checking you ought to be double-checking he ought to be double-checking we ought to be double-checking you ought to be double-checking they ought to be double-checking
Perfect
I ought to have double-checked you ought to have double-checked he ought to have double-checked we ought to have double-checked you ought to have double-checked they ought to have double-checked
V-ing perfect
I ought to have been double-checking you ought to have been double-checking he ought to have been double-checking we ought to have been double-checking you ought to have been double-checking they ought to have been double-checking
Negation
Simple form
I oughtn't to double-check you oughtn't to double-check he oughtn't to double-check we oughtn't to double-check you oughtn't to double-check they oughtn't to double-check
V-ing form
I oughtn't to be double-checking you oughtn't to be double-checking he oughtn't to be double-checking we oughtn't to be double-checking you oughtn't to be double-checking they oughtn't to be double-checking
Perfect
I oughtn't to have double-checked you oughtn't to have double-checked he oughtn't to have double-checked we oughtn't to have double-checked you oughtn't to have double-checked they oughtn't to have double-checked
V-ing perfect
I oughtn't to have been double-checking you oughtn't to have been double-checking he oughtn't to have been double-checking we oughtn't to have been double-checking you oughtn't to have been double-checking they oughtn't to have been double-checking
Interrogative form
Simple form
ought to I double-check? ought to you double-check? ought to he double-check? ought to we double-check? ought to you double-check? ought to they double-check?
V-ing form
ought to I be double-checking? ought to you be double-checking? ought to he be double-checking? ought to we be double-checking? ought to you be double-checking? ought to they be double-checking?
Perfect
ought to I have double-checked? ought to you have double-checked? ought to he have double-checked? ought to we have double-checked? ought to you have double-checked? ought to they have double-checked?
V-ing perfect
ought to I have been double-checking? ought to you have been double-checking? ought to he have been double-checking? ought to we have been double-checking? ought to you have been double-checking? ought to they have been double-checking?
Interro-negative form
Simple form
oughtn't I to double-check? oughtn't you to double-check? oughtn't he to double-check? oughtn't we to double-check? oughtn't you to double-check? oughtn't they to double-check?
V-ing form
oughtn't I to be double-checking? oughtn't you to be double-checking? oughtn't he to be double-checking? oughtn't we to be double-checking? oughtn't you to be double-checking? oughtn't they to be double-checking?
Perfect
oughtn't I to have double-checked? oughtn't you to have double-checked? oughtn't he to have double-checked? oughtn't we to have double-checked? oughtn't you to have double-checked? oughtn't they to have double-checked?
V-ing perfect
oughtn't I to have been double-checking? oughtn't you to have been double-checking? oughtn't he to have been double-checking? oughtn't we to have been double-checking? oughtn't you to have been double-checking? oughtn't they to have been double-checking?