must slumber
Verbo regular: slumber - slumbered- slumbered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must slumber
you must slumber
he must slumber
we must slumber
you must slumber
they must slumber 	I must be slumbering
you must be slumbering
he must be slumbering
we must be slumbering
you must be slumbering
they must be slumbering	I must have slumbered
you must have slumbered
he must have slumbered
we must have slumbered
you must have slumbered
they must have slumbered	I must have been slumbering
you must have been slumbering
he must have been slumbering
we must have been slumbering
you must have been slumbering
they must have been slumbering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not slumber
you must not slumber
he must not slumber
we must not slumber
you must not slumber
they must not slumber 	I must not be slumbering
you must not be slumbering
he must not be slumbering
we must not be slumbering
you must not be slumbering
they must not be slumbering	I must not have slumbered
you must not have slumbered
he must not have slumbered
we must not have slumbered
you must not have slumbered
they must not have slumbered	I must not have been slumbering
you must not have been slumbering
he must not have been slumbering
we must not have been slumbering
you must not have been slumbering
they must not have been slumbering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I slumber?
must you slumber?
must he slumber?
must we slumber?
must you slumber?
must they slumber? 	must I be slumbering?
must you be slumbering?
must he be slumbering?
must we be slumbering?
must you be slumbering?
must they be slumbering? 	must I have slumbered?
must you have slumbered?
must he have slumbered?
must we have slumbered?
must you have slumbered?
must they have slumbered? 	must I have been slumbering?
must you have been slumbering?
must he have been slumbering?
must we have been slumbering?
must you have been slumbering?
must they have been slumbering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not slumber?
must you not slumber?
must he not slumber?
must we not slumber?
must you not slumber?
must they not slumber? 	must I not be slumbering?
must you not be slumbering?
must he not be slumbering?
must we not be slumbering?
must you not be slumbering?
must they not be slumbering? 	must I not have slumbered?
must you not have slumbered?
must he not have slumbered?
must we not have slumbered?
must you not have slumbered?
must they not have slumbered? 	must I not have been slumbering?
must you not have been slumbering?
must he not have been slumbering?
must we not have been slumbering?
must you not have been slumbering?
must they not have been slumbering?