English verb conjugation
MUST STIPPLE

Regular verb: stipple - stippled - stippled

Affirmation

Simple form	V-ing form
I must stipple you must stipple she must stipple we must stipple you must stipple they must stipple	I must be stippling you must be stippling she 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 she 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 she 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 she 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 she 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 she 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 she 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 she stipple? must we stipple? must you stipple? must they stipple?	must I be stippling? must you be stippling? must she 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 she 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 she 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 she 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 she 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 she 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 she have been stippling? mustn't we have been stippling? mustn't you have been stippling? mustn't they have been stippling?