must snap
Verbo regular: snap - snapped- snapped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must snap
you must snap
she must snap
we must snap
you must snap
they must snap 	I must be snapping
you must be snapping
she must be snapping
we must be snapping
you must be snapping
they must be snapping	I must have snapped
you must have snapped
she 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
she must have been snapping
we must have been snapping
you must have been snapping
they must have been snapping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not snap
you must not snap
she 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
she 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
she 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
she 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 con V-ing 	Perfecto 	Perfecto con V-ing 	
must I snap?
must you snap?
must she snap?
must we snap?
must you snap?
must they snap? 	must I be snapping?
must you be snapping?
must she be snapping?
must we be snapping?
must you be snapping?
must they be snapping? 	must I have snapped?
must you have snapped?
must she 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 she have been snapping?
must we have been snapping?
must you have been snapping?
must they have been snapping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not snap?
must you not snap?
must she 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 she 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 she 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 she not have been snapping?
must we not have been snapping?
must you not have been snapping?
must they not have been snapping?