English verb conjugation
MUST FORESHORTEN

Regular verb: foreshorten - foreshortened - foreshortened

Affirmation

Simple form	V-ing form
I must foreshorten you must foreshorten he must foreshorten we must foreshorten you must foreshorten they must foreshorten	I must be foreshortening you must be foreshortening he must be foreshortening we must be foreshortening you must be foreshortening they must be foreshortening
Perfect	V-ing perfect
I must have foreshortened you must have foreshortened he must have foreshortened we must have foreshortened you must have foreshortened they must have foreshortened	I must have been foreshortening you must have been foreshortening he must have been foreshortening we must have been foreshortening you must have been foreshortening they must have been foreshortening

Negation

Simple form	V-ing form
I mustn't foreshorten you mustn't foreshorten he mustn't foreshorten we mustn't foreshorten you mustn't foreshorten they mustn't foreshorten	I mustn't be foreshortening you mustn't be foreshortening he mustn't be foreshortening we mustn't be foreshortening you mustn't be foreshortening they mustn't be foreshortening
Perfect	V-ing perfect
I mustn't have foreshortened you mustn't have foreshortened he mustn't have foreshortened we mustn't have foreshortened you mustn't have foreshortened they mustn't have foreshortened	I mustn't have been foreshortening you mustn't have been foreshortening he mustn't have been foreshortening we mustn't have been foreshortening you mustn't have been foreshortening they mustn't have been foreshortening

Interrogative form

Simple form	V-ing form
must I foreshorten? must you foreshorten? must he foreshorten? must we foreshorten? must you foreshorten? must they foreshorten?	must I be foreshortening? must you be foreshortening? must he be foreshortening? must we be foreshortening? must you be foreshortening? must they be foreshortening?
Perfect	V-ing perfect
must I have foreshortened? must you have foreshortened? must he have foreshortened? must we have foreshortened? must you have foreshortened? must they have foreshortened?	must I have been foreshortening? must you have been foreshortening? must he have been foreshortening? must we have been foreshortening? must you have been foreshortening? must they have been foreshortening?

Interro-negative form

Simple form	V-ing form
mustn't I foreshorten? mustn't you foreshorten? mustn't he foreshorten? mustn't we foreshorten? mustn't you foreshorten? mustn't they foreshorten?	mustn't I be foreshortening? mustn't you be foreshortening? mustn't he be foreshortening? mustn't we be foreshortening? mustn't you be foreshortening? mustn't they be foreshortening?
Perfect	V-ing perfect
mustn't I have foreshortened? mustn't you have foreshortened? mustn't he have foreshortened? mustn't we have foreshortened? mustn't you have foreshortened? mustn't they have foreshortened?	mustn't I have been foreshortening? mustn't you have been foreshortening? mustn't he have been foreshortening? mustn't we have been foreshortening? mustn't you have been foreshortening? mustn't they have been foreshortening?