English verb conjugation
MUST STOPPLE

Regular verb: stopple - stoppled - stoppled

Affirmation

Simple form	V-ing form
I must stopple you must stopple he must stopple we must stopple you must stopple they must stopple	I must be stoppling you must be stoppling he must be stoppling we must be stoppling you must be stoppling they must be stoppling
Perfect	V-ing perfect
I must have stoppled you must have stoppled he must have stoppled we must have stoppled you must have stoppled they must have stoppled	I must have been stoppling you must have been stoppling he must have been stoppling we must have been stoppling you must have been stoppling they must have been stoppling

Negation

Simple form	V-ing form
I mustn't stopple you mustn't stopple he mustn't stopple we mustn't stopple you mustn't stopple they mustn't stopple	I mustn't be stoppling you mustn't be stoppling he mustn't be stoppling we mustn't be stoppling you mustn't be stoppling they mustn't be stoppling
Perfect	V-ing perfect
I mustn't have stoppled you mustn't have stoppled he mustn't have stoppled we mustn't have stoppled you mustn't have stoppled they mustn't have stoppled	I mustn't have been stoppling you mustn't have been stoppling he mustn't have been stoppling we mustn't have been stoppling you mustn't have been stoppling they mustn't have been stoppling

Interrogative form

Simple form	V-ing form
must I stopple? must you stopple? must he stopple? must we stopple? must you stopple? must they stopple?	must I be stoppling? must you be stoppling? must he be stoppling? must we be stoppling? must you be stoppling? must they be stoppling?
Perfect	V-ing perfect
must I have stoppled? must you have stoppled? must he have stoppled? must we have stoppled? must you have stoppled? must they have stoppled?	must I have been stoppling? must you have been stoppling? must he have been stoppling? must we have been stoppling? must you have been stoppling? must they have been stoppling?

Interro-negative form

Simple form	V-ing form
mustn't I stopple? mustn't you stopple? mustn't he stopple? mustn't we stopple? mustn't you stopple? mustn't they stopple?	mustn't I be stoppling? mustn't you be stoppling? mustn't he be stoppling? mustn't we be stoppling? mustn't you be stoppling? mustn't they be stoppling?
Perfect	V-ing perfect
mustn't I have stoppled? mustn't you have stoppled? mustn't he have stoppled? mustn't we have stoppled? mustn't you have stoppled? mustn't they have stoppled?	mustn't I have been stoppling? mustn't you have been stoppling? mustn't he have been stoppling? mustn't we have been stoppling? mustn't you have been stoppling? mustn't they have been stoppling?