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
she must nab
we must nab
you must nab
they must nab 	I must be nabbing
you must be nabbing
she must be nabbing
we must be nabbing
you must be nabbing
they must be nabbing	I must have nabbed
you must have nabbed
she 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
she 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 must not nab
you must not nab
she must not nab
we must not nab
you must not nab
they must not nab 	I must not be nabbing
you must not be nabbing
she must not be nabbing
we must not be nabbing
you must not be nabbing
they must not be nabbing	I must not have nabbed
you must not have nabbed
she must not have nabbed
we must not have nabbed
you must not have nabbed
they must not have nabbed	I must not have been nabbing
you must not have been nabbing
she must not have been nabbing
we must not have been nabbing
you must not have been nabbing
they must not have been nabbing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I nab?
must you nab?
must she nab?
must we nab?
must you nab?
must they nab? 	must I be nabbing?
must you be nabbing?
must she be nabbing?
must we be nabbing?
must you be nabbing?
must they be nabbing? 	must I have nabbed?
must you have nabbed?
must she 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 she 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 	
must I not nab?
must you not nab?
must she not nab?
must we not nab?
must you not nab?
must they not nab? 	must I not be nabbing?
must you not be nabbing?
must she not be nabbing?
must we not be nabbing?
must you not be nabbing?
must they not be nabbing? 	must I not have nabbed?
must you not have nabbed?
must she not have nabbed?
must we not have nabbed?
must you not have nabbed?
must they not have nabbed? 	must I not have been nabbing?
must you not have been nabbing?
must she not have been nabbing?
must we not have been nabbing?
must you not have been nabbing?
must they not have been nabbing?