English verb conjugation
MUST EXTRAPOLATE

Regular verb: extrapolate - extrapolated - extrapolated

Affirmation

Simple form	V-ing form
I must extrapolate you must extrapolate she must extrapolate we must extrapolate you must extrapolate they must extrapolate	I must be extrapolating you must be extrapolating she must be extrapolating we must be extrapolating you must be extrapolating they must be extrapolating
Perfect	V-ing perfect
I must have extrapolated you must have extrapolated she must have extrapolated we must have extrapolated you must have extrapolated they must have extrapolated	I must have been extrapolating you must have been extrapolating she must have been extrapolating we must have been extrapolating you must have been extrapolating they must have been extrapolating

Negation

Simple form	V-ing form
I mustn't extrapolate you mustn't extrapolate she mustn't extrapolate we mustn't extrapolate you mustn't extrapolate they mustn't extrapolate	I mustn't be extrapolating you mustn't be extrapolating she mustn't be extrapolating we mustn't be extrapolating you mustn't be extrapolating they mustn't be extrapolating
Perfect	V-ing perfect
I mustn't have extrapolated you mustn't have extrapolated she mustn't have extrapolated we mustn't have extrapolated you mustn't have extrapolated they mustn't have extrapolated	I mustn't have been extrapolating you mustn't have been extrapolating she mustn't have been extrapolating we mustn't have been extrapolating you mustn't have been extrapolating they mustn't have been extrapolating

Interrogative form

Simple form	V-ing form
must I extrapolate? must you extrapolate? must she extrapolate? must we extrapolate? must you extrapolate? must they extrapolate?	must I be extrapolating? must you be extrapolating? must she be extrapolating? must we be extrapolating? must you be extrapolating? must they be extrapolating?
Perfect	V-ing perfect
must I have extrapolated? must you have extrapolated? must she have extrapolated? must we have extrapolated? must you have extrapolated? must they have extrapolated?	must I have been extrapolating? must you have been extrapolating? must she have been extrapolating? must we have been extrapolating? must you have been extrapolating? must they have been extrapolating?

Interro-negative form

Simple form	V-ing form
mustn't I extrapolate? mustn't you extrapolate? mustn't she extrapolate? mustn't we extrapolate? mustn't you extrapolate? mustn't they extrapolate?	mustn't I be extrapolating? mustn't you be extrapolating? mustn't she be extrapolating? mustn't we be extrapolating? mustn't you be extrapolating? mustn't they be extrapolating?
Perfect	V-ing perfect
mustn't I have extrapolated? mustn't you have extrapolated? mustn't she have extrapolated? mustn't we have extrapolated? mustn't you have extrapolated? mustn't they have extrapolated?	mustn't I have been extrapolating? mustn't you have been extrapolating? mustn't she have been extrapolating? mustn't we have been extrapolating? mustn't you have been extrapolating? mustn't they have been extrapolating?