must nab
Verbo regular: nab - nabbed- nabbed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must nab
you must nab
he must nab
we must nab
you must nab
they must nab 	I must be nabbing
you must be nabbing
he must be nabbing
we must be nabbing
you must be nabbing
they must be nabbing	I must have nabbed
you must have nabbed
he must have nabbed
we must have nabbed
you must have nabbed
they must have nabbed	I must have been nabbing
you must have been nabbing
he must have been nabbing
we must have been nabbing
you must have been nabbing
they must have been nabbing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't nab
you mustn't nab
he mustn't nab
we mustn't nab
you mustn't nab
they mustn't nab 	I mustn't be nabbing
you mustn't be nabbing
he mustn't be nabbing
we mustn't be nabbing
you mustn't be nabbing
they mustn't be nabbing	I mustn't have nabbed
you mustn't have nabbed
he mustn't have nabbed
we mustn't have nabbed
you mustn't have nabbed
they mustn't have nabbed	I mustn't have been nabbing
you mustn't have been nabbing
he mustn't have been nabbing
we mustn't have been nabbing
you mustn't have been nabbing
they mustn't have been nabbing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I nab?
must you nab?
must he nab?
must we nab?
must you nab?
must they nab? 	must I be nabbing?
must you be nabbing?
must he be nabbing?
must we be nabbing?
must you be nabbing?
must they be nabbing? 	must I have nabbed?
must you have nabbed?
must he have nabbed?
must we have nabbed?
must you have nabbed?
must they have nabbed? 	must I have been nabbing?
must you have been nabbing?
must he have been nabbing?
must we have been nabbing?
must you have been nabbing?
must they have been nabbing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I nab?
mustn't you nab?
mustn't he nab?
mustn't we nab?
mustn't you nab?
mustn't they nab? 	mustn't I be nabbing?
mustn't you be nabbing?
mustn't he be nabbing?
mustn't we be nabbing?
mustn't you be nabbing?
mustn't they be nabbing? 	mustn't I have nabbed?
mustn't you have nabbed?
mustn't he have nabbed?
mustn't we have nabbed?
mustn't you have nabbed?
mustn't they have nabbed? 	mustn't I have been nabbing?
mustn't you have been nabbing?
mustn't he have been nabbing?
mustn't we have been nabbing?
mustn't you have been nabbing?
mustn't they have been nabbing?