must siege
Verbo regular: siege - sieged- sieged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must siege
you must siege
he must siege
we must siege
you must siege
they must siege 	I must be sieging
you must be sieging
he must be sieging
we must be sieging
you must be sieging
they must be sieging	I must have sieged
you must have sieged
he must have sieged
we must have sieged
you must have sieged
they must have sieged	I must have been sieging
you must have been sieging
he must have been sieging
we must have been sieging
you must have been sieging
they must have been sieging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not siege
you must not siege
he must not siege
we must not siege
you must not siege
they must not siege 	I must not be sieging
you must not be sieging
he must not be sieging
we must not be sieging
you must not be sieging
they must not be sieging	I must not have sieged
you must not have sieged
he must not have sieged
we must not have sieged
you must not have sieged
they must not have sieged	I must not have been sieging
you must not have been sieging
he must not have been sieging
we must not have been sieging
you must not have been sieging
they must not have been sieging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I siege?
must you siege?
must he siege?
must we siege?
must you siege?
must they siege? 	must I be sieging?
must you be sieging?
must he be sieging?
must we be sieging?
must you be sieging?
must they be sieging? 	must I have sieged?
must you have sieged?
must he have sieged?
must we have sieged?
must you have sieged?
must they have sieged? 	must I have been sieging?
must you have been sieging?
must he have been sieging?
must we have been sieging?
must you have been sieging?
must they have been sieging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not siege?
must you not siege?
must he not siege?
must we not siege?
must you not siege?
must they not siege? 	must I not be sieging?
must you not be sieging?
must he not be sieging?
must we not be sieging?
must you not be sieging?
must they not be sieging? 	must I not have sieged?
must you not have sieged?
must he not have sieged?
must we not have sieged?
must you not have sieged?
must they not have sieged? 	must I not have been sieging?
must you not have been sieging?
must he not have been sieging?
must we not have been sieging?
must you not have been sieging?
must they not have been sieging?