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