must spear
Verbo regular: spear - speared- speared

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must spear
you must spear
she must spear
we must spear
you must spear
they must spear 	I must be spearing
you must be spearing
she must be spearing
we must be spearing
you must be spearing
they must be spearing	I must have speared
you must have speared
she must have speared
we must have speared
you must have speared
they must have speared	I must have been spearing
you must have been spearing
she must have been spearing
we must have been spearing
you must have been spearing
they must have been spearing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't spear
you mustn't spear
she mustn't spear
we mustn't spear
you mustn't spear
they mustn't spear 	I mustn't be spearing
you mustn't be spearing
she mustn't be spearing
we mustn't be spearing
you mustn't be spearing
they mustn't be spearing	I mustn't have speared
you mustn't have speared
she mustn't have speared
we mustn't have speared
you mustn't have speared
they mustn't have speared	I mustn't have been spearing
you mustn't have been spearing
she mustn't have been spearing
we mustn't have been spearing
you mustn't have been spearing
they mustn't have been spearing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I spear?
must you spear?
must she spear?
must we spear?
must you spear?
must they spear? 	must I be spearing?
must you be spearing?
must she be spearing?
must we be spearing?
must you be spearing?
must they be spearing? 	must I have speared?
must you have speared?
must she have speared?
must we have speared?
must you have speared?
must they have speared? 	must I have been spearing?
must you have been spearing?
must she have been spearing?
must we have been spearing?
must you have been spearing?
must they have been spearing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I spear?
mustn't you spear?
mustn't she spear?
mustn't we spear?
mustn't you spear?
mustn't they spear? 	mustn't I be spearing?
mustn't you be spearing?
mustn't she be spearing?
mustn't we be spearing?
mustn't you be spearing?
mustn't they be spearing? 	mustn't I have speared?
mustn't you have speared?
mustn't she have speared?
mustn't we have speared?
mustn't you have speared?
mustn't they have speared? 	mustn't I have been spearing?
mustn't you have been spearing?
mustn't she have been spearing?
mustn't we have been spearing?
mustn't you have been spearing?
mustn't they have been spearing?