must drag
Verbo regular: drag - dragged- dragged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must drag
you must drag
he must drag
we must drag
you must drag
they must drag 	I must be dragging
you must be dragging
he must be dragging
we must be dragging
you must be dragging
they must be dragging	I must have dragged
you must have dragged
he must have dragged
we must have dragged
you must have dragged
they must have dragged	I must have been dragging
you must have been dragging
he must have been dragging
we must have been dragging
you must have been dragging
they must have been dragging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't drag
you mustn't drag
he mustn't drag
we mustn't drag
you mustn't drag
they mustn't drag 	I mustn't be dragging
you mustn't be dragging
he mustn't be dragging
we mustn't be dragging
you mustn't be dragging
they mustn't be dragging	I mustn't have dragged
you mustn't have dragged
he mustn't have dragged
we mustn't have dragged
you mustn't have dragged
they mustn't have dragged	I mustn't have been dragging
you mustn't have been dragging
he mustn't have been dragging
we mustn't have been dragging
you mustn't have been dragging
they mustn't have been dragging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I drag?
must you drag?
must he drag?
must we drag?
must you drag?
must they drag? 	must I be dragging?
must you be dragging?
must he be dragging?
must we be dragging?
must you be dragging?
must they be dragging? 	must I have dragged?
must you have dragged?
must he have dragged?
must we have dragged?
must you have dragged?
must they have dragged? 	must I have been dragging?
must you have been dragging?
must he have been dragging?
must we have been dragging?
must you have been dragging?
must they have been dragging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I drag?
mustn't you drag?
mustn't he drag?
mustn't we drag?
mustn't you drag?
mustn't they drag? 	mustn't I be dragging?
mustn't you be dragging?
mustn't he be dragging?
mustn't we be dragging?
mustn't you be dragging?
mustn't they be dragging? 	mustn't I have dragged?
mustn't you have dragged?
mustn't he have dragged?
mustn't we have dragged?
mustn't you have dragged?
mustn't they have dragged? 	mustn't I have been dragging?
mustn't you have been dragging?
mustn't he have been dragging?
mustn't we have been dragging?
mustn't you have been dragging?
mustn't they have been dragging?