English verb conjugation
MUST SLURP

Regular verb: slurp - slurped - slurped

Affirmation

Simple form	V-ing form
I must slurp you must slurp she must slurp we must slurp you must slurp they must slurp	I must be slurping you must be slurping she must be slurping we must be slurping you must be slurping they must be slurping
Perfect	V-ing perfect
I must have slurped you must have slurped she must have slurped we must have slurped you must have slurped they must have slurped	I must have been slurping you must have been slurping she must have been slurping we must have been slurping you must have been slurping they must have been slurping

Negation

Simple form	V-ing form
I mustn't slurp you mustn't slurp she mustn't slurp we mustn't slurp you mustn't slurp they mustn't slurp	I mustn't be slurping you mustn't be slurping she mustn't be slurping we mustn't be slurping you mustn't be slurping they mustn't be slurping
Perfect	V-ing perfect
I mustn't have slurped you mustn't have slurped she mustn't have slurped we mustn't have slurped you mustn't have slurped they mustn't have slurped	I mustn't have been slurping you mustn't have been slurping she mustn't have been slurping we mustn't have been slurping you mustn't have been slurping they mustn't have been slurping

Interrogative form

Simple form	V-ing form
must I slurp? must you slurp? must she slurp? must we slurp? must you slurp? must they slurp?	must I be slurping? must you be slurping? must she be slurping? must we be slurping? must you be slurping? must they be slurping?
Perfect	V-ing perfect
must I have slurped? must you have slurped? must she have slurped? must we have slurped? must you have slurped? must they have slurped?	must I have been slurping? must you have been slurping? must she have been slurping? must we have been slurping? must you have been slurping? must they have been slurping?

Interro-negative form

Simple form	V-ing form
mustn't I slurp? mustn't you slurp? mustn't she slurp? mustn't we slurp? mustn't you slurp? mustn't they slurp?	mustn't I be slurping? mustn't you be slurping? mustn't she be slurping? mustn't we be slurping? mustn't you be slurping? mustn't they be slurping?
Perfect	V-ing perfect
mustn't I have slurped? mustn't you have slurped? mustn't she have slurped? mustn't we have slurped? mustn't you have slurped? mustn't they have slurped?	mustn't I have been slurping? mustn't you have been slurping? mustn't she have been slurping? mustn't we have been slurping? mustn't you have been slurping? mustn't they have been slurping?