must sneer
Verbo regular: sneer - sneered- sneered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must sneer
you must sneer
he must sneer
we must sneer
you must sneer
they must sneer 	I must be sneering
you must be sneering
he must be sneering
we must be sneering
you must be sneering
they must be sneering	I must have sneered
you must have sneered
he must have sneered
we must have sneered
you must have sneered
they must have sneered	I must have been sneering
you must have been sneering
he must have been sneering
we must have been sneering
you must have been sneering
they must have been sneering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't sneer
you mustn't sneer
he mustn't sneer
we mustn't sneer
you mustn't sneer
they mustn't sneer 	I mustn't be sneering
you mustn't be sneering
he mustn't be sneering
we mustn't be sneering
you mustn't be sneering
they mustn't be sneering	I mustn't have sneered
you mustn't have sneered
he mustn't have sneered
we mustn't have sneered
you mustn't have sneered
they mustn't have sneered	I mustn't have been sneering
you mustn't have been sneering
he mustn't have been sneering
we mustn't have been sneering
you mustn't have been sneering
they mustn't have been sneering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I sneer?
must you sneer?
must he sneer?
must we sneer?
must you sneer?
must they sneer? 	must I be sneering?
must you be sneering?
must he be sneering?
must we be sneering?
must you be sneering?
must they be sneering? 	must I have sneered?
must you have sneered?
must he have sneered?
must we have sneered?
must you have sneered?
must they have sneered? 	must I have been sneering?
must you have been sneering?
must he have been sneering?
must we have been sneering?
must you have been sneering?
must they have been sneering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I sneer?
mustn't you sneer?
mustn't he sneer?
mustn't we sneer?
mustn't you sneer?
mustn't they sneer? 	mustn't I be sneering?
mustn't you be sneering?
mustn't he be sneering?
mustn't we be sneering?
mustn't you be sneering?
mustn't they be sneering? 	mustn't I have sneered?
mustn't you have sneered?
mustn't he have sneered?
mustn't we have sneered?
mustn't you have sneered?
mustn't they have sneered? 	mustn't I have been sneering?
mustn't you have been sneering?
mustn't he have been sneering?
mustn't we have been sneering?
mustn't you have been sneering?
mustn't they have been sneering?