must smart
Verbo regular: smart - smarted- smarted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must smart
you must smart
he must smart
we must smart
you must smart
they must smart 	I must be smarting
you must be smarting
he must be smarting
we must be smarting
you must be smarting
they must be smarting	I must have smarted
you must have smarted
he must have smarted
we must have smarted
you must have smarted
they must have smarted	I must have been smarting
you must have been smarting
he must have been smarting
we must have been smarting
you must have been smarting
they must have been smarting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not smart
you must not smart
he must not smart
we must not smart
you must not smart
they must not smart 	I must not be smarting
you must not be smarting
he must not be smarting
we must not be smarting
you must not be smarting
they must not be smarting	I must not have smarted
you must not have smarted
he must not have smarted
we must not have smarted
you must not have smarted
they must not have smarted	I must not have been smarting
you must not have been smarting
he must not have been smarting
we must not have been smarting
you must not have been smarting
they must not have been smarting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I smart?
must you smart?
must he smart?
must we smart?
must you smart?
must they smart? 	must I be smarting?
must you be smarting?
must he be smarting?
must we be smarting?
must you be smarting?
must they be smarting? 	must I have smarted?
must you have smarted?
must he have smarted?
must we have smarted?
must you have smarted?
must they have smarted? 	must I have been smarting?
must you have been smarting?
must he have been smarting?
must we have been smarting?
must you have been smarting?
must they have been smarting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not smart?
must you not smart?
must he not smart?
must we not smart?
must you not smart?
must they not smart? 	must I not be smarting?
must you not be smarting?
must he not be smarting?
must we not be smarting?
must you not be smarting?
must they not be smarting? 	must I not have smarted?
must you not have smarted?
must he not have smarted?
must we not have smarted?
must you not have smarted?
must they not have smarted? 	must I not have been smarting?
must you not have been smarting?
must he not have been smarting?
must we not have been smarting?
must you not have been smarting?
must they not have been smarting?