English verb conjugation
MUST POPPLE

Regular verb: popple - poppled - poppled

Affirmation

Simple form	V-ing form
I must popple you must popple he must popple we must popple you must popple they must popple	I must be poppling you must be poppling he must be poppling we must be poppling you must be poppling they must be poppling
Perfect	V-ing perfect
I must have poppled you must have poppled he must have poppled we must have poppled you must have poppled they must have poppled	I must have been poppling you must have been poppling he must have been poppling we must have been poppling you must have been poppling they must have been poppling

Negation

Simple form	V-ing form
I mustn't popple you mustn't popple he mustn't popple we mustn't popple you mustn't popple they mustn't popple	I mustn't be poppling you mustn't be poppling he mustn't be poppling we mustn't be poppling you mustn't be poppling they mustn't be poppling
Perfect	V-ing perfect
I mustn't have poppled you mustn't have poppled he mustn't have poppled we mustn't have poppled you mustn't have poppled they mustn't have poppled	I mustn't have been poppling you mustn't have been poppling he mustn't have been poppling we mustn't have been poppling you mustn't have been poppling they mustn't have been poppling

Interrogative form

Simple form	V-ing form
must I popple? must you popple? must he popple? must we popple? must you popple? must they popple?	must I be poppling? must you be poppling? must he be poppling? must we be poppling? must you be poppling? must they be poppling?
Perfect	V-ing perfect
must I have poppled? must you have poppled? must he have poppled? must we have poppled? must you have poppled? must they have poppled?	must I have been poppling? must you have been poppling? must he have been poppling? must we have been poppling? must you have been poppling? must they have been poppling?

Interro-negative form

Simple form	V-ing form
mustn't I popple? mustn't you popple? mustn't he popple? mustn't we popple? mustn't you popple? mustn't they popple?	mustn't I be poppling? mustn't you be poppling? mustn't he be poppling? mustn't we be poppling? mustn't you be poppling? mustn't they be poppling?
Perfect	V-ing perfect
mustn't I have poppled? mustn't you have poppled? mustn't he have poppled? mustn't we have poppled? mustn't you have poppled? mustn't they have poppled?	mustn't I have been poppling? mustn't you have been poppling? mustn't he have been poppling? mustn't we have been poppling? mustn't you have been poppling? mustn't they have been poppling?