English verb conjugation
MUST SLAP

Regular verb: slap - slapped - slapped

Affirmation

Simple form	V-ing form
I must slap you must slap he must slap we must slap you must slap they must slap	I must be slapping you must be slapping he must be slapping we must be slapping you must be slapping they must be slapping
Perfect	V-ing perfect
I must have slapped you must have slapped he must have slapped we must have slapped you must have slapped they must have slapped	I must have been slapping you must have been slapping he must have been slapping we must have been slapping you must have been slapping they must have been slapping

Negation

Simple form	V-ing form
I mustn't slap you mustn't slap he mustn't slap we mustn't slap you mustn't slap they mustn't slap	I mustn't be slapping you mustn't be slapping he mustn't be slapping we mustn't be slapping you mustn't be slapping they mustn't be slapping
Perfect	V-ing perfect
I mustn't have slapped you mustn't have slapped he mustn't have slapped we mustn't have slapped you mustn't have slapped they mustn't have slapped	I mustn't have been slapping you mustn't have been slapping he mustn't have been slapping we mustn't have been slapping you mustn't have been slapping they mustn't have been slapping

Interrogative form

Simple form	V-ing form
must I slap? must you slap? must he slap? must we slap? must you slap? must they slap?	must I be slapping? must you be slapping? must he be slapping? must we be slapping? must you be slapping? must they be slapping?
Perfect	V-ing perfect
must I have slapped? must you have slapped? must he have slapped? must we have slapped? must you have slapped? must they have slapped?	must I have been slapping? must you have been slapping? must he have been slapping? must we have been slapping? must you have been slapping? must they have been slapping?

Interro-negative form

Simple form	V-ing form
mustn't I slap? mustn't you slap? mustn't he slap? mustn't we slap? mustn't you slap? mustn't they slap?	mustn't I be slapping? mustn't you be slapping? mustn't he be slapping? mustn't we be slapping? mustn't you be slapping? mustn't they be slapping?
Perfect	V-ing perfect
mustn't I have slapped? mustn't you have slapped? mustn't he have slapped? mustn't we have slapped? mustn't you have slapped? mustn't they have slapped?	mustn't I have been slapping? mustn't you have been slapping? mustn't he have been slapping? mustn't we have been slapping? mustn't you have been slapping? mustn't they have been slapping?