must assign
Verbo regular: assign - assigned- assigned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must assign
you must assign
he must assign
we must assign
you must assign
they must assign 	I must be assigning
you must be assigning
he must be assigning
we must be assigning
you must be assigning
they must be assigning	I must have assigned
you must have assigned
he must have assigned
we must have assigned
you must have assigned
they must have assigned	I must have been assigning
you must have been assigning
he must have been assigning
we must have been assigning
you must have been assigning
they must have been assigning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't assign
you mustn't assign
he mustn't assign
we mustn't assign
you mustn't assign
they mustn't assign 	I mustn't be assigning
you mustn't be assigning
he mustn't be assigning
we mustn't be assigning
you mustn't be assigning
they mustn't be assigning	I mustn't have assigned
you mustn't have assigned
he mustn't have assigned
we mustn't have assigned
you mustn't have assigned
they mustn't have assigned	I mustn't have been assigning
you mustn't have been assigning
he mustn't have been assigning
we mustn't have been assigning
you mustn't have been assigning
they mustn't have been assigning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I assign?
must you assign?
must he assign?
must we assign?
must you assign?
must they assign? 	must I be assigning?
must you be assigning?
must he be assigning?
must we be assigning?
must you be assigning?
must they be assigning? 	must I have assigned?
must you have assigned?
must he have assigned?
must we have assigned?
must you have assigned?
must they have assigned? 	must I have been assigning?
must you have been assigning?
must he have been assigning?
must we have been assigning?
must you have been assigning?
must they have been assigning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I assign?
mustn't you assign?
mustn't he assign?
mustn't we assign?
mustn't you assign?
mustn't they assign? 	mustn't I be assigning?
mustn't you be assigning?
mustn't he be assigning?
mustn't we be assigning?
mustn't you be assigning?
mustn't they be assigning? 	mustn't I have assigned?
mustn't you have assigned?
mustn't he have assigned?
mustn't we have assigned?
mustn't you have assigned?
mustn't they have assigned? 	mustn't I have been assigning?
mustn't you have been assigning?
mustn't he have been assigning?
mustn't we have been assigning?
mustn't you have been assigning?
mustn't they have been assigning?