must infract
Verbo regular: infract - infracted- infracted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must infract
you must infract
he must infract
we must infract
you must infract
they must infract 	I must be infracting
you must be infracting
he must be infracting
we must be infracting
you must be infracting
they must be infracting	I must have infracted
you must have infracted
he must have infracted
we must have infracted
you must have infracted
they must have infracted	I must have been infracting
you must have been infracting
he must have been infracting
we must have been infracting
you must have been infracting
they must have been infracting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't infract
you mustn't infract
he mustn't infract
we mustn't infract
you mustn't infract
they mustn't infract 	I mustn't be infracting
you mustn't be infracting
he mustn't be infracting
we mustn't be infracting
you mustn't be infracting
they mustn't be infracting	I mustn't have infracted
you mustn't have infracted
he mustn't have infracted
we mustn't have infracted
you mustn't have infracted
they mustn't have infracted	I mustn't have been infracting
you mustn't have been infracting
he mustn't have been infracting
we mustn't have been infracting
you mustn't have been infracting
they mustn't have been infracting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I infract?
must you infract?
must he infract?
must we infract?
must you infract?
must they infract? 	must I be infracting?
must you be infracting?
must he be infracting?
must we be infracting?
must you be infracting?
must they be infracting? 	must I have infracted?
must you have infracted?
must he have infracted?
must we have infracted?
must you have infracted?
must they have infracted? 	must I have been infracting?
must you have been infracting?
must he have been infracting?
must we have been infracting?
must you have been infracting?
must they have been infracting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I infract?
mustn't you infract?
mustn't he infract?
mustn't we infract?
mustn't you infract?
mustn't they infract? 	mustn't I be infracting?
mustn't you be infracting?
mustn't he be infracting?
mustn't we be infracting?
mustn't you be infracting?
mustn't they be infracting? 	mustn't I have infracted?
mustn't you have infracted?
mustn't he have infracted?
mustn't we have infracted?
mustn't you have infracted?
mustn't they have infracted? 	mustn't I have been infracting?
mustn't you have been infracting?
mustn't he have been infracting?
mustn't we have been infracting?
mustn't you have been infracting?
mustn't they have been infracting?