must double-cross
Verbo regular: double-cross - double-crossed- double-crossed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must double-cross
you must double-cross
he must double-cross
we must double-cross
you must double-cross
they must double-cross 	I must be double-crossing
you must be double-crossing
he must be double-crossing
we must be double-crossing
you must be double-crossing
they must be double-crossing	I must have double-crossed
you must have double-crossed
he must have double-crossed
we must have double-crossed
you must have double-crossed
they must have double-crossed	I must have been double-crossing
you must have been double-crossing
he must have been double-crossing
we must have been double-crossing
you must have been double-crossing
they must have been double-crossing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not double-cross
you must not double-cross
he must not double-cross
we must not double-cross
you must not double-cross
they must not double-cross 	I must not be double-crossing
you must not be double-crossing
he must not be double-crossing
we must not be double-crossing
you must not be double-crossing
they must not be double-crossing	I must not have double-crossed
you must not have double-crossed
he must not have double-crossed
we must not have double-crossed
you must not have double-crossed
they must not have double-crossed	I must not have been double-crossing
you must not have been double-crossing
he must not have been double-crossing
we must not have been double-crossing
you must not have been double-crossing
they must not have been double-crossing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I double-cross?
must you double-cross?
must he double-cross?
must we double-cross?
must you double-cross?
must they double-cross? 	must I be double-crossing?
must you be double-crossing?
must he be double-crossing?
must we be double-crossing?
must you be double-crossing?
must they be double-crossing? 	must I have double-crossed?
must you have double-crossed?
must he have double-crossed?
must we have double-crossed?
must you have double-crossed?
must they have double-crossed? 	must I have been double-crossing?
must you have been double-crossing?
must he have been double-crossing?
must we have been double-crossing?
must you have been double-crossing?
must they have been double-crossing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not double-cross?
must you not double-cross?
must he not double-cross?
must we not double-cross?
must you not double-cross?
must they not double-cross? 	must I not be double-crossing?
must you not be double-crossing?
must he not be double-crossing?
must we not be double-crossing?
must you not be double-crossing?
must they not be double-crossing? 	must I not have double-crossed?
must you not have double-crossed?
must he not have double-crossed?
must we not have double-crossed?
must you not have double-crossed?
must they not have double-crossed? 	must I not have been double-crossing?
must you not have been double-crossing?
must he not have been double-crossing?
must we not have been double-crossing?
must you not have been double-crossing?
must they not have been double-crossing?