must sniggle
Verbo regular: sniggle - sniggled- sniggled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must sniggle
you must sniggle
he must sniggle
we must sniggle
you must sniggle
they must sniggle 	I must be sniggling
you must be sniggling
he must be sniggling
we must be sniggling
you must be sniggling
they must be sniggling	I must have sniggled
you must have sniggled
he must have sniggled
we must have sniggled
you must have sniggled
they must have sniggled	I must have been sniggling
you must have been sniggling
he must have been sniggling
we must have been sniggling
you must have been sniggling
they must have been sniggling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't sniggle
you mustn't sniggle
he mustn't sniggle
we mustn't sniggle
you mustn't sniggle
they mustn't sniggle 	I mustn't be sniggling
you mustn't be sniggling
he mustn't be sniggling
we mustn't be sniggling
you mustn't be sniggling
they mustn't be sniggling	I mustn't have sniggled
you mustn't have sniggled
he mustn't have sniggled
we mustn't have sniggled
you mustn't have sniggled
they mustn't have sniggled	I mustn't have been sniggling
you mustn't have been sniggling
he mustn't have been sniggling
we mustn't have been sniggling
you mustn't have been sniggling
they mustn't have been sniggling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I sniggle?
must you sniggle?
must he sniggle?
must we sniggle?
must you sniggle?
must they sniggle? 	must I be sniggling?
must you be sniggling?
must he be sniggling?
must we be sniggling?
must you be sniggling?
must they be sniggling? 	must I have sniggled?
must you have sniggled?
must he have sniggled?
must we have sniggled?
must you have sniggled?
must they have sniggled? 	must I have been sniggling?
must you have been sniggling?
must he have been sniggling?
must we have been sniggling?
must you have been sniggling?
must they have been sniggling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I sniggle?
mustn't you sniggle?
mustn't he sniggle?
mustn't we sniggle?
mustn't you sniggle?
mustn't they sniggle? 	mustn't I be sniggling?
mustn't you be sniggling?
mustn't he be sniggling?
mustn't we be sniggling?
mustn't you be sniggling?
mustn't they be sniggling? 	mustn't I have sniggled?
mustn't you have sniggled?
mustn't he have sniggled?
mustn't we have sniggled?
mustn't you have sniggled?
mustn't they have sniggled? 	mustn't I have been sniggling?
mustn't you have been sniggling?
mustn't he have been sniggling?
mustn't we have been sniggling?
mustn't you have been sniggling?
mustn't they have been sniggling?