must twist
Verbo regular: twist - twisted- twisted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must twist
you must twist
he must twist
we must twist
you must twist
they must twist 	I must be twisting
you must be twisting
he must be twisting
we must be twisting
you must be twisting
they must be twisting	I must have twisted
you must have twisted
he must have twisted
we must have twisted
you must have twisted
they must have twisted	I must have been twisting
you must have been twisting
he must have been twisting
we must have been twisting
you must have been twisting
they must have been twisting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't twist
you mustn't twist
he mustn't twist
we mustn't twist
you mustn't twist
they mustn't twist 	I mustn't be twisting
you mustn't be twisting
he mustn't be twisting
we mustn't be twisting
you mustn't be twisting
they mustn't be twisting	I mustn't have twisted
you mustn't have twisted
he mustn't have twisted
we mustn't have twisted
you mustn't have twisted
they mustn't have twisted	I mustn't have been twisting
you mustn't have been twisting
he mustn't have been twisting
we mustn't have been twisting
you mustn't have been twisting
they mustn't have been twisting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I twist?
must you twist?
must he twist?
must we twist?
must you twist?
must they twist? 	must I be twisting?
must you be twisting?
must he be twisting?
must we be twisting?
must you be twisting?
must they be twisting? 	must I have twisted?
must you have twisted?
must he have twisted?
must we have twisted?
must you have twisted?
must they have twisted? 	must I have been twisting?
must you have been twisting?
must he have been twisting?
must we have been twisting?
must you have been twisting?
must they have been twisting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I twist?
mustn't you twist?
mustn't he twist?
mustn't we twist?
mustn't you twist?
mustn't they twist? 	mustn't I be twisting?
mustn't you be twisting?
mustn't he be twisting?
mustn't we be twisting?
mustn't you be twisting?
mustn't they be twisting? 	mustn't I have twisted?
mustn't you have twisted?
mustn't he have twisted?
mustn't we have twisted?
mustn't you have twisted?
mustn't they have twisted? 	mustn't I have been twisting?
mustn't you have been twisting?
mustn't he have been twisting?
mustn't we have been twisting?
mustn't you have been twisting?
mustn't they have been twisting?