must sled
Verbo regular: sled - sleded- sleded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must sled
you must sled
he must sled
we must sled
you must sled
they must sled 	I must be sleding
you must be sleding
he must be sleding
we must be sleding
you must be sleding
they must be sleding	I must have sleded
you must have sleded
he must have sleded
we must have sleded
you must have sleded
they must have sleded	I must have been sleding
you must have been sleding
he must have been sleding
we must have been sleding
you must have been sleding
they must have been sleding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not sled
you must not sled
he must not sled
we must not sled
you must not sled
they must not sled 	I must not be sleding
you must not be sleding
he must not be sleding
we must not be sleding
you must not be sleding
they must not be sleding	I must not have sleded
you must not have sleded
he must not have sleded
we must not have sleded
you must not have sleded
they must not have sleded	I must not have been sleding
you must not have been sleding
he must not have been sleding
we must not have been sleding
you must not have been sleding
they must not have been sleding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I sled?
must you sled?
must he sled?
must we sled?
must you sled?
must they sled? 	must I be sleding?
must you be sleding?
must he be sleding?
must we be sleding?
must you be sleding?
must they be sleding? 	must I have sleded?
must you have sleded?
must he have sleded?
must we have sleded?
must you have sleded?
must they have sleded? 	must I have been sleding?
must you have been sleding?
must he have been sleding?
must we have been sleding?
must you have been sleding?
must they have been sleding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not sled?
must you not sled?
must he not sled?
must we not sled?
must you not sled?
must they not sled? 	must I not be sleding?
must you not be sleding?
must he not be sleding?
must we not be sleding?
must you not be sleding?
must they not be sleding? 	must I not have sleded?
must you not have sleded?
must he not have sleded?
must we not have sleded?
must you not have sleded?
must they not have sleded? 	must I not have been sleding?
must you not have been sleding?
must he not have been sleding?
must we not have been sleding?
must you not have been sleding?
must they not have been sleding?