must snake
Verbo regular: snake - snaked- snaked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must snake
you must snake
he must snake
we must snake
you must snake
they must snake 	I must be snaking
you must be snaking
he must be snaking
we must be snaking
you must be snaking
they must be snaking	I must have snaked
you must have snaked
he must have snaked
we must have snaked
you must have snaked
they must have snaked	I must have been snaking
you must have been snaking
he must have been snaking
we must have been snaking
you must have been snaking
they must have been snaking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't snake
you mustn't snake
he mustn't snake
we mustn't snake
you mustn't snake
they mustn't snake 	I mustn't be snaking
you mustn't be snaking
he mustn't be snaking
we mustn't be snaking
you mustn't be snaking
they mustn't be snaking	I mustn't have snaked
you mustn't have snaked
he mustn't have snaked
we mustn't have snaked
you mustn't have snaked
they mustn't have snaked	I mustn't have been snaking
you mustn't have been snaking
he mustn't have been snaking
we mustn't have been snaking
you mustn't have been snaking
they mustn't have been snaking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I snake?
must you snake?
must he snake?
must we snake?
must you snake?
must they snake? 	must I be snaking?
must you be snaking?
must he be snaking?
must we be snaking?
must you be snaking?
must they be snaking? 	must I have snaked?
must you have snaked?
must he have snaked?
must we have snaked?
must you have snaked?
must they have snaked? 	must I have been snaking?
must you have been snaking?
must he have been snaking?
must we have been snaking?
must you have been snaking?
must they have been snaking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I snake?
mustn't you snake?
mustn't he snake?
mustn't we snake?
mustn't you snake?
mustn't they snake? 	mustn't I be snaking?
mustn't you be snaking?
mustn't he be snaking?
mustn't we be snaking?
mustn't you be snaking?
mustn't they be snaking? 	mustn't I have snaked?
mustn't you have snaked?
mustn't he have snaked?
mustn't we have snaked?
mustn't you have snaked?
mustn't they have snaked? 	mustn't I have been snaking?
mustn't you have been snaking?
mustn't he have been snaking?
mustn't we have been snaking?
mustn't you have been snaking?
mustn't they have been snaking?