must double-stop
Verbo regular: double-stop - double-stoped- double-stoped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must double-stop
you must double-stop
he must double-stop
we must double-stop
you must double-stop
they must double-stop 	I must be double-stoping
you must be double-stoping
he must be double-stoping
we must be double-stoping
you must be double-stoping
they must be double-stoping	I must have double-stoped
you must have double-stoped
he must have double-stoped
we must have double-stoped
you must have double-stoped
they must have double-stoped	I must have been double-stoping
you must have been double-stoping
he must have been double-stoping
we must have been double-stoping
you must have been double-stoping
they must have been double-stoping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not double-stop
you must not double-stop
he must not double-stop
we must not double-stop
you must not double-stop
they must not double-stop 	I must not be double-stoping
you must not be double-stoping
he must not be double-stoping
we must not be double-stoping
you must not be double-stoping
they must not be double-stoping	I must not have double-stoped
you must not have double-stoped
he must not have double-stoped
we must not have double-stoped
you must not have double-stoped
they must not have double-stoped	I must not have been double-stoping
you must not have been double-stoping
he must not have been double-stoping
we must not have been double-stoping
you must not have been double-stoping
they must not have been double-stoping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I double-stop?
must you double-stop?
must he double-stop?
must we double-stop?
must you double-stop?
must they double-stop? 	must I be double-stoping?
must you be double-stoping?
must he be double-stoping?
must we be double-stoping?
must you be double-stoping?
must they be double-stoping? 	must I have double-stoped?
must you have double-stoped?
must he have double-stoped?
must we have double-stoped?
must you have double-stoped?
must they have double-stoped? 	must I have been double-stoping?
must you have been double-stoping?
must he have been double-stoping?
must we have been double-stoping?
must you have been double-stoping?
must they have been double-stoping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not double-stop?
must you not double-stop?
must he not double-stop?
must we not double-stop?
must you not double-stop?
must they not double-stop? 	must I not be double-stoping?
must you not be double-stoping?
must he not be double-stoping?
must we not be double-stoping?
must you not be double-stoping?
must they not be double-stoping? 	must I not have double-stoped?
must you not have double-stoped?
must he not have double-stoped?
must we not have double-stoped?
must you not have double-stoped?
must they not have double-stoped? 	must I not have been double-stoping?
must you not have been double-stoping?
must he not have been double-stoping?
must we not have been double-stoping?
must you not have been double-stoping?
must they not have been double-stoping?