English verb conjugation
MUST SNAKE

Regular verb: snake - snaked - snaked

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?