must foreshorten
Regular verb: foreshorten - foreshortened- foreshortened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?