I ought to extrapolate you ought to extrapolate she ought to extrapolate we ought to extrapolate you ought to extrapolate they ought to extrapolate
V-ing form
I ought to be extrapolating you ought to be extrapolating she ought to be extrapolating we ought to be extrapolating you ought to be extrapolating they ought to be extrapolating
Perfect
I ought to have extrapolated you ought to have extrapolated she ought to have extrapolated we ought to have extrapolated you ought to have extrapolated they ought to have extrapolated
V-ing perfect
I ought to have been extrapolating you ought to have been extrapolating she ought to have been extrapolating we ought to have been extrapolating you ought to have been extrapolating they ought to have been extrapolating
Negation
Simple form
I oughtn't to extrapolate you oughtn't to extrapolate she oughtn't to extrapolate we oughtn't to extrapolate you oughtn't to extrapolate they oughtn't to extrapolate
V-ing form
I oughtn't to be extrapolating you oughtn't to be extrapolating she oughtn't to be extrapolating we oughtn't to be extrapolating you oughtn't to be extrapolating they oughtn't to be extrapolating
Perfect
I oughtn't to have extrapolated you oughtn't to have extrapolated she oughtn't to have extrapolated we oughtn't to have extrapolated you oughtn't to have extrapolated they oughtn't to have extrapolated
V-ing perfect
I oughtn't to have been extrapolating you oughtn't to have been extrapolating she oughtn't to have been extrapolating we oughtn't to have been extrapolating you oughtn't to have been extrapolating they oughtn't to have been extrapolating
Interrogative form
Simple form
ought to I extrapolate? ought to you extrapolate? ought to she extrapolate? ought to we extrapolate? ought to you extrapolate? ought to they extrapolate?
V-ing form
ought to I be extrapolating? ought to you be extrapolating? ought to she be extrapolating? ought to we be extrapolating? ought to you be extrapolating? ought to they be extrapolating?
Perfect
ought to I have extrapolated? ought to you have extrapolated? ought to she have extrapolated? ought to we have extrapolated? ought to you have extrapolated? ought to they have extrapolated?
V-ing perfect
ought to I have been extrapolating? ought to you have been extrapolating? ought to she have been extrapolating? ought to we have been extrapolating? ought to you have been extrapolating? ought to they have been extrapolating?
Interro-negative form
Simple form
oughtn't I to extrapolate? oughtn't you to extrapolate? oughtn't she to extrapolate? oughtn't we to extrapolate? oughtn't you to extrapolate? oughtn't they to extrapolate?
V-ing form
oughtn't I to be extrapolating? oughtn't you to be extrapolating? oughtn't she to be extrapolating? oughtn't we to be extrapolating? oughtn't you to be extrapolating? oughtn't they to be extrapolating?
Perfect
oughtn't I to have extrapolated? oughtn't you to have extrapolated? oughtn't she to have extrapolated? oughtn't we to have extrapolated? oughtn't you to have extrapolated? oughtn't they to have extrapolated?
V-ing perfect
oughtn't I to have been extrapolating? oughtn't you to have been extrapolating? oughtn't she to have been extrapolating? oughtn't we to have been extrapolating? oughtn't you to have been extrapolating? oughtn't they to have been extrapolating?