must uncross
Verbo regular: uncross - uncrossed- uncrossed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must uncross
you must uncross
he must uncross
we must uncross
you must uncross
they must uncross 	I must be uncrossing
you must be uncrossing
he must be uncrossing
we must be uncrossing
you must be uncrossing
they must be uncrossing	I must have uncrossed
you must have uncrossed
he must have uncrossed
we must have uncrossed
you must have uncrossed
they must have uncrossed	I must have been uncrossing
you must have been uncrossing
he must have been uncrossing
we must have been uncrossing
you must have been uncrossing
they must have been uncrossing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't uncross
you mustn't uncross
he mustn't uncross
we mustn't uncross
you mustn't uncross
they mustn't uncross 	I mustn't be uncrossing
you mustn't be uncrossing
he mustn't be uncrossing
we mustn't be uncrossing
you mustn't be uncrossing
they mustn't be uncrossing	I mustn't have uncrossed
you mustn't have uncrossed
he mustn't have uncrossed
we mustn't have uncrossed
you mustn't have uncrossed
they mustn't have uncrossed	I mustn't have been uncrossing
you mustn't have been uncrossing
he mustn't have been uncrossing
we mustn't have been uncrossing
you mustn't have been uncrossing
they mustn't have been uncrossing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I uncross?
must you uncross?
must he uncross?
must we uncross?
must you uncross?
must they uncross? 	must I be uncrossing?
must you be uncrossing?
must he be uncrossing?
must we be uncrossing?
must you be uncrossing?
must they be uncrossing? 	must I have uncrossed?
must you have uncrossed?
must he have uncrossed?
must we have uncrossed?
must you have uncrossed?
must they have uncrossed? 	must I have been uncrossing?
must you have been uncrossing?
must he have been uncrossing?
must we have been uncrossing?
must you have been uncrossing?
must they have been uncrossing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I uncross?
mustn't you uncross?
mustn't he uncross?
mustn't we uncross?
mustn't you uncross?
mustn't they uncross? 	mustn't I be uncrossing?
mustn't you be uncrossing?
mustn't he be uncrossing?
mustn't we be uncrossing?
mustn't you be uncrossing?
mustn't they be uncrossing? 	mustn't I have uncrossed?
mustn't you have uncrossed?
mustn't he have uncrossed?
mustn't we have uncrossed?
mustn't you have uncrossed?
mustn't they have uncrossed? 	mustn't I have been uncrossing?
mustn't you have been uncrossing?
mustn't he have been uncrossing?
mustn't we have been uncrossing?
mustn't you have been uncrossing?
mustn't they have been uncrossing?