must swear
Verbo irregular: swear - swore- sworn

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must swear
you must swear
she must swear
we must swear
you must swear
they must swear 	I must be swearing
you must be swearing
she must be swearing
we must be swearing
you must be swearing
they must be swearing	I must have sworn
you must have sworn
she must have sworn
we must have sworn
you must have sworn
they must have sworn	I must have been swearing
you must have been swearing
she must have been swearing
we must have been swearing
you must have been swearing
they must have been swearing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't swear
you mustn't swear
she mustn't swear
we mustn't swear
you mustn't swear
they mustn't swear 	I mustn't be swearing
you mustn't be swearing
she mustn't be swearing
we mustn't be swearing
you mustn't be swearing
they mustn't be swearing	I mustn't have sworn
you mustn't have sworn
she mustn't have sworn
we mustn't have sworn
you mustn't have sworn
they mustn't have sworn	I mustn't have been swearing
you mustn't have been swearing
she mustn't have been swearing
we mustn't have been swearing
you mustn't have been swearing
they mustn't have been swearing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I swear?
must you swear?
must she swear?
must we swear?
must you swear?
must they swear? 	must I be swearing?
must you be swearing?
must she be swearing?
must we be swearing?
must you be swearing?
must they be swearing? 	must I have sworn?
must you have sworn?
must she have sworn?
must we have sworn?
must you have sworn?
must they have sworn? 	must I have been swearing?
must you have been swearing?
must she have been swearing?
must we have been swearing?
must you have been swearing?
must they have been swearing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I swear?
mustn't you swear?
mustn't she swear?
mustn't we swear?
mustn't you swear?
mustn't they swear? 	mustn't I be swearing?
mustn't you be swearing?
mustn't she be swearing?
mustn't we be swearing?
mustn't you be swearing?
mustn't they be swearing? 	mustn't I have sworn?
mustn't you have sworn?
mustn't she have sworn?
mustn't we have sworn?
mustn't you have sworn?
mustn't they have sworn? 	mustn't I have been swearing?
mustn't you have been swearing?
mustn't she have been swearing?
mustn't we have been swearing?
mustn't you have been swearing?
mustn't they have been swearing?