must snap
Verbo regular: snap - snapped- snapped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must snap
you must snap
he must snap
we must snap
you must snap
they must snap 	I must be snapping
you must be snapping
he must be snapping
we must be snapping
you must be snapping
they must be snapping	I must have snapped
you must have snapped
he must have snapped
we must have snapped
you must have snapped
they must have snapped	I must have been snapping
you must have been snapping
he must have been snapping
we must have been snapping
you must have been snapping
they must have been snapping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not snap
you must not snap
he must not snap
we must not snap
you must not snap
they must not snap 	I must not be snapping
you must not be snapping
he must not be snapping
we must not be snapping
you must not be snapping
they must not be snapping	I must not have snapped
you must not have snapped
he must not have snapped
we must not have snapped
you must not have snapped
they must not have snapped	I must not have been snapping
you must not have been snapping
he must not have been snapping
we must not have been snapping
you must not have been snapping
they must not have been snapping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I snap?
must you snap?
must he snap?
must we snap?
must you snap?
must they snap? 	must I be snapping?
must you be snapping?
must he be snapping?
must we be snapping?
must you be snapping?
must they be snapping? 	must I have snapped?
must you have snapped?
must he have snapped?
must we have snapped?
must you have snapped?
must they have snapped? 	must I have been snapping?
must you have been snapping?
must he have been snapping?
must we have been snapping?
must you have been snapping?
must they have been snapping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not snap?
must you not snap?
must he not snap?
must we not snap?
must you not snap?
must they not snap? 	must I not be snapping?
must you not be snapping?
must he not be snapping?
must we not be snapping?
must you not be snapping?
must they not be snapping? 	must I not have snapped?
must you not have snapped?
must he not have snapped?
must we not have snapped?
must you not have snapped?
must they not have snapped? 	must I not have been snapping?
must you not have been snapping?
must he not have been snapping?
must we not have been snapping?
must you not have been snapping?
must they not have been snapping?