must double-time
Verbo regular: double-time - double-timed- double-timed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must double-time
you must double-time
he must double-time
we must double-time
you must double-time
they must double-time 	I must be double-timing
you must be double-timing
he must be double-timing
we must be double-timing
you must be double-timing
they must be double-timing	I must have double-timed
you must have double-timed
he must have double-timed
we must have double-timed
you must have double-timed
they must have double-timed	I must have been double-timing
you must have been double-timing
he must have been double-timing
we must have been double-timing
you must have been double-timing
they must have been double-timing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't double-time
you mustn't double-time
he mustn't double-time
we mustn't double-time
you mustn't double-time
they mustn't double-time 	I mustn't be double-timing
you mustn't be double-timing
he mustn't be double-timing
we mustn't be double-timing
you mustn't be double-timing
they mustn't be double-timing	I mustn't have double-timed
you mustn't have double-timed
he mustn't have double-timed
we mustn't have double-timed
you mustn't have double-timed
they mustn't have double-timed	I mustn't have been double-timing
you mustn't have been double-timing
he mustn't have been double-timing
we mustn't have been double-timing
you mustn't have been double-timing
they mustn't have been double-timing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I double-time?
must you double-time?
must he double-time?
must we double-time?
must you double-time?
must they double-time? 	must I be double-timing?
must you be double-timing?
must he be double-timing?
must we be double-timing?
must you be double-timing?
must they be double-timing? 	must I have double-timed?
must you have double-timed?
must he have double-timed?
must we have double-timed?
must you have double-timed?
must they have double-timed? 	must I have been double-timing?
must you have been double-timing?
must he have been double-timing?
must we have been double-timing?
must you have been double-timing?
must they have been double-timing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I double-time?
mustn't you double-time?
mustn't he double-time?
mustn't we double-time?
mustn't you double-time?
mustn't they double-time? 	mustn't I be double-timing?
mustn't you be double-timing?
mustn't he be double-timing?
mustn't we be double-timing?
mustn't you be double-timing?
mustn't they be double-timing? 	mustn't I have double-timed?
mustn't you have double-timed?
mustn't he have double-timed?
mustn't we have double-timed?
mustn't you have double-timed?
mustn't they have double-timed? 	mustn't I have been double-timing?
mustn't you have been double-timing?
mustn't he have been double-timing?
mustn't we have been double-timing?
mustn't you have been double-timing?
mustn't they have been double-timing?