English verb conjugation
MUST INTERPOLATE

Regular verb: interpolate - interpolated - interpolated

Affirmation

Simple form	V-ing form
I must interpolate you must interpolate she must interpolate we must interpolate you must interpolate they must interpolate	I must be interpolating you must be interpolating she must be interpolating we must be interpolating you must be interpolating they must be interpolating
Perfect	V-ing perfect
I must have interpolated you must have interpolated she must have interpolated we must have interpolated you must have interpolated they must have interpolated	I must have been interpolating you must have been interpolating she must have been interpolating we must have been interpolating you must have been interpolating they must have been interpolating

Negation

Simple form	V-ing form
I mustn't interpolate you mustn't interpolate she mustn't interpolate we mustn't interpolate you mustn't interpolate they mustn't interpolate	I mustn't be interpolating you mustn't be interpolating she mustn't be interpolating we mustn't be interpolating you mustn't be interpolating they mustn't be interpolating
Perfect	V-ing perfect
I mustn't have interpolated you mustn't have interpolated she mustn't have interpolated we mustn't have interpolated you mustn't have interpolated they mustn't have interpolated	I mustn't have been interpolating you mustn't have been interpolating she mustn't have been interpolating we mustn't have been interpolating you mustn't have been interpolating they mustn't have been interpolating

Interrogative form

Simple form	V-ing form
must I interpolate? must you interpolate? must she interpolate? must we interpolate? must you interpolate? must they interpolate?	must I be interpolating? must you be interpolating? must she be interpolating? must we be interpolating? must you be interpolating? must they be interpolating?
Perfect	V-ing perfect
must I have interpolated? must you have interpolated? must she have interpolated? must we have interpolated? must you have interpolated? must they have interpolated?	must I have been interpolating? must you have been interpolating? must she have been interpolating? must we have been interpolating? must you have been interpolating? must they have been interpolating?

Interro-negative form

Simple form	V-ing form
mustn't I interpolate? mustn't you interpolate? mustn't she interpolate? mustn't we interpolate? mustn't you interpolate? mustn't they interpolate?	mustn't I be interpolating? mustn't you be interpolating? mustn't she be interpolating? mustn't we be interpolating? mustn't you be interpolating? mustn't they be interpolating?
Perfect	V-ing perfect
mustn't I have interpolated? mustn't you have interpolated? mustn't she have interpolated? mustn't we have interpolated? mustn't you have interpolated? mustn't they have interpolated?	mustn't I have been interpolating? mustn't you have been interpolating? mustn't she have been interpolating? mustn't we have been interpolating? mustn't you have been interpolating? mustn't they have been interpolating?