must restraighten
Verbo regular: restraighten - restraightened- restraightened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must restraighten
you must restraighten
he must restraighten
we must restraighten
you must restraighten
they must restraighten 	I must be restraightening
you must be restraightening
he must be restraightening
we must be restraightening
you must be restraightening
they must be restraightening	I must have restraightened
you must have restraightened
he must have restraightened
we must have restraightened
you must have restraightened
they must have restraightened	I must have been restraightening
you must have been restraightening
he must have been restraightening
we must have been restraightening
you must have been restraightening
they must have been restraightening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't restraighten
you mustn't restraighten
he mustn't restraighten
we mustn't restraighten
you mustn't restraighten
they mustn't restraighten 	I mustn't be restraightening
you mustn't be restraightening
he mustn't be restraightening
we mustn't be restraightening
you mustn't be restraightening
they mustn't be restraightening	I mustn't have restraightened
you mustn't have restraightened
he mustn't have restraightened
we mustn't have restraightened
you mustn't have restraightened
they mustn't have restraightened	I mustn't have been restraightening
you mustn't have been restraightening
he mustn't have been restraightening
we mustn't have been restraightening
you mustn't have been restraightening
they mustn't have been restraightening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I restraighten?
must you restraighten?
must he restraighten?
must we restraighten?
must you restraighten?
must they restraighten? 	must I be restraightening?
must you be restraightening?
must he be restraightening?
must we be restraightening?
must you be restraightening?
must they be restraightening? 	must I have restraightened?
must you have restraightened?
must he have restraightened?
must we have restraightened?
must you have restraightened?
must they have restraightened? 	must I have been restraightening?
must you have been restraightening?
must he have been restraightening?
must we have been restraightening?
must you have been restraightening?
must they have been restraightening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I restraighten?
mustn't you restraighten?
mustn't he restraighten?
mustn't we restraighten?
mustn't you restraighten?
mustn't they restraighten? 	mustn't I be restraightening?
mustn't you be restraightening?
mustn't he be restraightening?
mustn't we be restraightening?
mustn't you be restraightening?
mustn't they be restraightening? 	mustn't I have restraightened?
mustn't you have restraightened?
mustn't he have restraightened?
mustn't we have restraightened?
mustn't you have restraightened?
mustn't they have restraightened? 	mustn't I have been restraightening?
mustn't you have been restraightening?
mustn't he have been restraightening?
mustn't we have been restraightening?
mustn't you have been restraightening?
mustn't they have been restraightening?