English verb conjugation
MUST RUMPLE

Regular verb: rumple - rumpled - rumpled

Affirmation

Simple form	V-ing form
I must rumple you must rumple he must rumple we must rumple you must rumple they must rumple	I must be rumpling you must be rumpling he must be rumpling we must be rumpling you must be rumpling they must be rumpling
Perfect	V-ing perfect
I must have rumpled you must have rumpled he must have rumpled we must have rumpled you must have rumpled they must have rumpled	I must have been rumpling you must have been rumpling he must have been rumpling we must have been rumpling you must have been rumpling they must have been rumpling

Negation

Simple form	V-ing form
I mustn't rumple you mustn't rumple he mustn't rumple we mustn't rumple you mustn't rumple they mustn't rumple	I mustn't be rumpling you mustn't be rumpling he mustn't be rumpling we mustn't be rumpling you mustn't be rumpling they mustn't be rumpling
Perfect	V-ing perfect
I mustn't have rumpled you mustn't have rumpled he mustn't have rumpled we mustn't have rumpled you mustn't have rumpled they mustn't have rumpled	I mustn't have been rumpling you mustn't have been rumpling he mustn't have been rumpling we mustn't have been rumpling you mustn't have been rumpling they mustn't have been rumpling

Interrogative form

Simple form	V-ing form
must I rumple? must you rumple? must he rumple? must we rumple? must you rumple? must they rumple?	must I be rumpling? must you be rumpling? must he be rumpling? must we be rumpling? must you be rumpling? must they be rumpling?
Perfect	V-ing perfect
must I have rumpled? must you have rumpled? must he have rumpled? must we have rumpled? must you have rumpled? must they have rumpled?	must I have been rumpling? must you have been rumpling? must he have been rumpling? must we have been rumpling? must you have been rumpling? must they have been rumpling?

Interro-negative form

Simple form	V-ing form
mustn't I rumple? mustn't you rumple? mustn't he rumple? mustn't we rumple? mustn't you rumple? mustn't they rumple?	mustn't I be rumpling? mustn't you be rumpling? mustn't he be rumpling? mustn't we be rumpling? mustn't you be rumpling? mustn't they be rumpling?
Perfect	V-ing perfect
mustn't I have rumpled? mustn't you have rumpled? mustn't he have rumpled? mustn't we have rumpled? mustn't you have rumpled? mustn't they have rumpled?	mustn't I have been rumpling? mustn't you have been rumpling? mustn't he have been rumpling? mustn't we have been rumpling? mustn't you have been rumpling? mustn't they have been rumpling?