English verb conjugation
MUST STIPPLE

Regular verb: stipple - stippled - stippled

Affirmation

Simple form	V-ing form
I must stipple you must stipple he must stipple we must stipple you must stipple they must stipple	I must be stippling you must be stippling he must be stippling we must be stippling you must be stippling they must be stippling
Perfect	V-ing perfect
I must have stippled you must have stippled he must have stippled we must have stippled you must have stippled they must have stippled	I must have been stippling you must have been stippling he must have been stippling we must have been stippling you must have been stippling they must have been stippling

Negation

Simple form	V-ing form
I mustn't stipple you mustn't stipple he mustn't stipple we mustn't stipple you mustn't stipple they mustn't stipple	I mustn't be stippling you mustn't be stippling he mustn't be stippling we mustn't be stippling you mustn't be stippling they mustn't be stippling
Perfect	V-ing perfect
I mustn't have stippled you mustn't have stippled he mustn't have stippled we mustn't have stippled you mustn't have stippled they mustn't have stippled	I mustn't have been stippling you mustn't have been stippling he mustn't have been stippling we mustn't have been stippling you mustn't have been stippling they mustn't have been stippling

Interrogative form

Simple form	V-ing form
must I stipple? must you stipple? must he stipple? must we stipple? must you stipple? must they stipple?	must I be stippling? must you be stippling? must he be stippling? must we be stippling? must you be stippling? must they be stippling?
Perfect	V-ing perfect
must I have stippled? must you have stippled? must he have stippled? must we have stippled? must you have stippled? must they have stippled?	must I have been stippling? must you have been stippling? must he have been stippling? must we have been stippling? must you have been stippling? must they have been stippling?

Interro-negative form

Simple form	V-ing form
mustn't I stipple? mustn't you stipple? mustn't he stipple? mustn't we stipple? mustn't you stipple? mustn't they stipple?	mustn't I be stippling? mustn't you be stippling? mustn't he be stippling? mustn't we be stippling? mustn't you be stippling? mustn't they be stippling?
Perfect	V-ing perfect
mustn't I have stippled? mustn't you have stippled? mustn't he have stippled? mustn't we have stippled? mustn't you have stippled? mustn't they have stippled?	mustn't I have been stippling? mustn't you have been stippling? mustn't he have been stippling? mustn't we have been stippling? mustn't you have been stippling? mustn't they have been stippling?