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 must not sniggle
you must not sniggle
he must not sniggle
we must not sniggle
you must not sniggle
they must not sniggle 	I must not be sniggling
you must not be sniggling
he must not be sniggling
we must not be sniggling
you must not be sniggling
they must not be sniggling	I must not have sniggled
you must not have sniggled
he must not have sniggled
we must not have sniggled
you must not have sniggled
they must not have sniggled	I must not have been sniggling
you must not have been sniggling
he must not have been sniggling
we must not have been sniggling
you must not have been sniggling
they must not 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 	
must I not sniggle?
must you not sniggle?
must he not sniggle?
must we not sniggle?
must you not sniggle?
must they not sniggle? 	must I not be sniggling?
must you not be sniggling?
must he not be sniggling?
must we not be sniggling?
must you not be sniggling?
must they not be sniggling? 	must I not have sniggled?
must you not have sniggled?
must he not have sniggled?
must we not have sniggled?
must you not have sniggled?
must they not have sniggled? 	must I not have been sniggling?
must you not have been sniggling?
must he not have been sniggling?
must we not have been sniggling?
must you not have been sniggling?
must they not have been sniggling?